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Start trying to get zlib linked 

Former-commit-id: 7107b307e2
This commit is contained in:
Phillip Stephens 2022-07-28 22:03:24 -07:00
parent 317c4a497e
commit 0ff6365a89
118 changed files with 22426 additions and 213 deletions
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11
asm/Kyoto/zlib/infblock.s
View File

@ -669,8 +669,8 @@ lbl_80341BAC:
/* 80341BB8 0033EB18 90 1E 00 00 */ stw r0, 0(r30)
.global lbl_80341BBC
lbl_80341BBC:
/* 80341BBC 0033EB1C 3C 60 80 3F */ lis r3, lbl_803EF5C8@ha
/* 80341BC0 0033EB20 38 63 F5 C8 */ addi r3, r3, lbl_803EF5C8@l
/* 80341BBC 0033EB1C 3C 60 80 3F */ lis r3, inflate_mask@ha
/* 80341BC0 0033EB20 38 63 F5 C8 */ addi r3, r3, inflate_mask@l
/* 80341BC4 0033EB24 48 00 02 78 */ b lbl_80341E3C
lbl_80341BC8:
/* 80341BC8 0033EB28 80 DE 00 10 */ lwz r6, 0x10(r30)
@ -777,11 +777,11 @@ lbl_80341D20:
/* 80341D34 0033EC94 7F 9C 33 78 */ or r28, r28, r6
/* 80341D38 0033EC98 42 00 FF 9C */ bdnz lbl_80341CD4
lbl_80341D3C:
/* 80341D3C 0033EC9C 3C C0 80 3F */ lis r6, lbl_803EF5C8@ha
/* 80341D3C 0033EC9C 3C C0 80 3F */ lis r6, inflate_mask@ha
/* 80341D40 0033ECA0 7F 6B D8 50 */ subf r27, r11, r27
/* 80341D44 0033ECA4 55 48 10 3A */ slwi r8, r10, 2
/* 80341D48 0033ECA8 7F 9C 5C 30 */ srw r28, r28, r11
/* 80341D4C 0033ECAC 38 E6 F5 C8 */ addi r7, r6, lbl_803EF5C8@l
/* 80341D4C 0033ECAC 38 E6 F5 C8 */ addi r7, r6, inflate_mask@l
/* 80341D50 0033ECB0 54 86 06 FE */ clrlwi r6, r4, 0x1b
/* 80341D54 0033ECB4 7C E7 40 2E */ lwzx r7, r7, r8
/* 80341D58 0033ECB8 54 84 DE FE */ rlwinm r4, r4, 0x1b, 0x1b, 0x1f
@ -1271,8 +1271,7 @@ lbl_803D7AA8:
lbl_803D7AF4:
# ROM: 0x3D4AF4
.asciz "invalid block type"
.byte 0x69
.asciz "nvalid stored block lengths"
.asciz "invalid stored block lengths"
.asciz "too many length or distance symbols"
.asciz "invalid bit length repeat"
.balign 4

16
asm/Kyoto/zlib/infcodes.s
View File

@ -163,9 +163,9 @@ lbl_803425AC:
/* 803425C0 0033F520 7F DE 03 78 */ or r30, r30, r0
/* 803425C4 0033F524 42 00 FF A0 */ bdnz lbl_80342564
lbl_803425C8:
/* 803425C8 0033F528 3C 80 80 3F */ lis r4, lbl_803EF5C8@ha
/* 803425C8 0033F528 3C 80 80 3F */ lis r4, inflate_mask@ha
/* 803425CC 0033F52C 54 E0 10 3A */ slwi r0, r7, 2
/* 803425D0 0033F530 38 84 F5 C8 */ addi r4, r4, lbl_803EF5C8@l
/* 803425D0 0033F530 38 84 F5 C8 */ addi r4, r4, inflate_mask@l
/* 803425D4 0033F534 80 F9 00 08 */ lwz r7, 8(r25)
/* 803425D8 0033F538 7C 04 00 2E */ lwzx r0, r4, r0
/* 803425DC 0033F53C 7F C0 00 38 */ and r0, r30, r0
@ -266,9 +266,9 @@ lbl_80342720:
/* 80342734 0033F694 7F DE 03 78 */ or r30, r30, r0
/* 80342738 0033F698 42 00 FF A0 */ bdnz lbl_803426D8
lbl_8034273C:
/* 8034273C 0033F69C 3C 80 80 3F */ lis r4, lbl_803EF5C8@ha
/* 8034273C 0033F69C 3C 80 80 3F */ lis r4, inflate_mask@ha
/* 80342740 0033F6A0 55 00 10 3A */ slwi r0, r8, 2
/* 80342744 0033F6A4 38 84 F5 C8 */ addi r4, r4, lbl_803EF5C8@l
/* 80342744 0033F6A4 38 84 F5 C8 */ addi r4, r4, inflate_mask@l
/* 80342748 0033F6A8 80 F9 00 04 */ lwz r7, 4(r25)
/* 8034274C 0033F6AC 7C 84 00 2E */ lwzx r4, r4, r0
/* 80342750 0033F6B0 38 00 00 03 */ li r0, 3
@ -320,9 +320,9 @@ lbl_803427E0:
/* 803427F4 0033F754 7F DE 03 78 */ or r30, r30, r0
/* 803427F8 0033F758 42 00 FF A0 */ bdnz lbl_80342798
lbl_803427FC:
/* 803427FC 0033F75C 3C 80 80 3F */ lis r4, lbl_803EF5C8@ha
/* 803427FC 0033F75C 3C 80 80 3F */ lis r4, inflate_mask@ha
/* 80342800 0033F760 54 E0 10 3A */ slwi r0, r7, 2
/* 80342804 0033F764 38 84 F5 C8 */ addi r4, r4, lbl_803EF5C8@l
/* 80342804 0033F764 38 84 F5 C8 */ addi r4, r4, inflate_mask@l
/* 80342808 0033F768 80 F9 00 08 */ lwz r7, 8(r25)
/* 8034280C 0033F76C 7C 04 00 2E */ lwzx r0, r4, r0
/* 80342810 0033F770 7F C0 00 38 */ and r0, r30, r0
@ -410,9 +410,9 @@ lbl_80342928:
/* 8034293C 0033F89C 7F DE 03 78 */ or r30, r30, r0
/* 80342940 0033F8A0 42 00 FF A0 */ bdnz lbl_803428E0
lbl_80342944:
/* 80342944 0033F8A4 3C 80 80 3F */ lis r4, lbl_803EF5C8@ha
/* 80342944 0033F8A4 3C 80 80 3F */ lis r4, inflate_mask@ha
/* 80342948 0033F8A8 55 00 10 3A */ slwi r0, r8, 2
/* 8034294C 0033F8AC 38 84 F5 C8 */ addi r4, r4, lbl_803EF5C8@l
/* 8034294C 0033F8AC 38 84 F5 C8 */ addi r4, r4, inflate_mask@l
/* 80342950 0033F8B0 80 F9 00 0C */ lwz r7, 0xc(r25)
/* 80342954 0033F8B4 7C 84 00 2E */ lwzx r4, r4, r0
/* 80342958 0033F8B8 38 00 00 05 */ li r0, 5

20
asm/Kyoto/zlib/inffast.s
View File

@ -21,9 +21,9 @@ lbl_80342DF8:
/* 80342DF8 0033FD58 83 27 00 2C */ lwz r25, 0x2c(r7)
/* 80342DFC 0033FD5C 7F 6C C8 50 */ subf r27, r12, r25
lbl_80342E00:
/* 80342E00 0033FD60 3F 20 80 3F */ lis r25, lbl_803EF5C8@ha
/* 80342E00 0033FD60 3F 20 80 3F */ lis r25, inflate_mask@ha
/* 80342E04 0033FD64 54 7A 10 3A */ slwi r26, r3, 2
/* 80342E08 0033FD68 3B 39 F5 C8 */ addi r25, r25, lbl_803EF5C8@l
/* 80342E08 0033FD68 3B 39 F5 C8 */ addi r25, r25, inflate_mask@l
/* 80342E0C 0033FD6C 54 83 10 3A */ slwi r3, r4, 2
/* 80342E10 0033FD70 7F F9 D0 2E */ lwzx r31, r25, r26
/* 80342E14 0033FD74 7F 64 DB 78 */ mr r4, r27
@ -54,20 +54,20 @@ lbl_80342E38:
/* 80342E70 0033FDD0 39 8C 00 01 */ addi r12, r12, 1
/* 80342E74 0033FDD4 48 00 04 78 */ b lbl_803432EC
lbl_80342E78:
/* 80342E78 0033FDD8 3F 60 80 3F */ lis r27, lbl_803EF5C8@ha
/* 80342E7C 0033FDDC 3B 9B F5 C8 */ addi r28, r27, lbl_803EF5C8@l
/* 80342E78 0033FDD8 3F 60 80 3F */ lis r27, inflate_mask@ha
/* 80342E7C 0033FDDC 3B 9B F5 C8 */ addi r28, r27, inflate_mask@l
lbl_80342E80:
/* 80342E80 0033FDE0 8B 43 00 01 */ lbz r26, 1(r3)
/* 80342E84 0033FDE4 57 19 06 F7 */ rlwinm. r25, r24, 0, 0x1b, 0x1b
/* 80342E88 0033FDE8 7C 00 D4 30 */ srw r0, r0, r26
/* 80342E8C 0033FDEC 7D 3A 48 50 */ subf r9, r26, r9
/* 80342E90 0033FDF0 41 82 03 40 */ beq lbl_803431D0
/* 80342E94 0033FDF4 3F 20 80 3F */ lis r25, lbl_803EF5C8@ha
/* 80342E94 0033FDF4 3F 20 80 3F */ lis r25, inflate_mask@ha
/* 80342E98 0033FDF8 57 1D 07 3E */ clrlwi r29, r24, 0x1c
/* 80342E9C 0033FDFC 57 1A 16 BA */ rlwinm r26, r24, 2, 0x1a, 0x1d
/* 80342EA0 0033FE00 83 63 00 04 */ lwz r27, 4(r3)
/* 80342EA4 0033FE04 7D 3D 48 50 */ subf r9, r29, r9
/* 80342EA8 0033FE08 38 79 F5 C8 */ addi r3, r25, lbl_803EF5C8@l
/* 80342EA8 0033FE08 38 79 F5 C8 */ addi r3, r25, inflate_mask@l
/* 80342EAC 0033FE0C 7C 63 D0 2E */ lwzx r3, r3, r26
/* 80342EB0 0033FE10 28 09 00 0F */ cmplwi r9, 0xf
/* 80342EB4 0033FE14 23 89 00 16 */ subfic r28, r9, 0x16
@ -129,10 +129,10 @@ lbl_80342F70:
/* 80342F88 0033FEE8 42 00 FF E8 */ bdnz lbl_80342F70
lbl_80342F8C:
/* 80342F8C 0033FEEC 7C 03 F0 38 */ and r3, r0, r30
/* 80342F90 0033FEF0 3F 60 80 3F */ lis r27, lbl_803EF5C8@ha
/* 80342F90 0033FEF0 3F 60 80 3F */ lis r27, inflate_mask@ha
/* 80342F94 0033FEF4 54 63 18 38 */ slwi r3, r3, 3
/* 80342F98 0033FEF8 7C 66 1A 14 */ add r3, r6, r3
/* 80342F9C 0033FEFC 3B 9B F5 C8 */ addi r28, r27, lbl_803EF5C8@l
/* 80342F9C 0033FEFC 3B 9B F5 C8 */ addi r28, r27, inflate_mask@l
/* 80342FA0 0033FF00 8B 03 00 00 */ lbz r24, 0(r3)
lbl_80342FA4:
/* 80342FA4 0033FF04 8B 43 00 01 */ lbz r26, 1(r3)
@ -198,11 +198,11 @@ lbl_80343074:
/* 80343088 0033FFE8 7C 00 CB 78 */ or r0, r0, r25
/* 8034308C 0033FFEC 42 00 FF E8 */ bdnz lbl_80343074
lbl_80343090:
/* 80343090 0033FFF0 3F 60 80 3F */ lis r27, lbl_803EF5C8@ha
/* 80343090 0033FFF0 3F 60 80 3F */ lis r27, inflate_mask@ha
/* 80343094 0033FFF4 83 47 00 28 */ lwz r26, 0x28(r7)
/* 80343098 0033FFF8 57 1C 10 3A */ slwi r28, r24, 2
/* 8034309C 0033FFFC 83 23 00 04 */ lwz r25, 4(r3)
/* 803430A0 00340000 38 7B F5 C8 */ addi r3, r27, lbl_803EF5C8@l
/* 803430A0 00340000 38 7B F5 C8 */ addi r3, r27, inflate_mask@l
/* 803430A4 00340004 7F 5A 60 50 */ subf r26, r26, r12
/* 803430A8 00340008 7C 63 E0 2E */ lwzx r3, r3, r28
/* 803430AC 0034000C 7D 38 48 50 */ subf r9, r24, r9

129
asm/Kyoto/zlib/inflate.s
View File

@ -654,132 +654,3 @@ lbl_803D7BD8:
.asciz ".1.3"
.balign 4
.4byte 0
.global lbl_803D7C50
lbl_803D7C50:
# ROM: 0x3D4C50
.asciz " inflate 1.1.3 Copyright 1995-1998 Mark Adler "
.balign 4
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000006
.4byte 0x00000007
.4byte 0x00000008
.4byte 0x00000009
.4byte 0x0000000A
.4byte 0x0000000B
.4byte 0x0000000D
.4byte 0x0000000F
.4byte 0x00000011
.4byte 0x00000013
.4byte 0x00000017
.4byte 0x0000001B
.4byte 0x0000001F
.4byte 0x00000023
.4byte 0x0000002B
.4byte 0x00000033
.4byte 0x0000003B
.4byte 0x00000043
.4byte 0x00000053
.4byte 0x00000063
.4byte 0x00000073
.4byte 0x00000083
.4byte 0x000000A3
.4byte 0x000000C3
.4byte 0x000000E3
.4byte 0x00000102
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000005
.4byte 0
.4byte 0x00000070
.4byte 0x00000070
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000007
.4byte 0x00000009
.4byte 0x0000000D
.4byte 0x00000011
.4byte 0x00000019
.4byte 0x00000021
.4byte 0x00000031
.4byte 0x00000041
.4byte 0x00000061
.4byte 0x00000081
.4byte 0x000000C1
.4byte 0x00000101
.4byte 0x00000181
.4byte 0x00000201
.4byte 0x00000301
.4byte 0x00000401
.4byte 0x00000601
.4byte 0x00000801
.4byte 0x00000C01
.4byte 0x00001001
.4byte 0x00001801
.4byte 0x00002001
.4byte 0x00003001
.4byte 0x00004001
.4byte 0x00006001
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000006
.4byte 0x00000006
.4byte 0x00000007
.4byte 0x00000007
.4byte 0x00000008
.4byte 0x00000008
.4byte 0x00000009
.4byte 0x00000009
.4byte 0x0000000A
.4byte 0x0000000A
.4byte 0x0000000B
.4byte 0x0000000B
.4byte 0x0000000C
.4byte 0x0000000C
.4byte 0x0000000D
.4byte 0x0000000D

172
asm/Kyoto/zlib/inftrees.s
View File

@ -2,8 +2,8 @@
.section .data
.global lbl_803EE4C8
lbl_803EE4C8:
.global fixed_tl
fixed_tl:
# ROM: 0x3EB4C8
.4byte 0x60070000
.4byte 0x00000100
@ -1030,8 +1030,8 @@ lbl_803EE4C8:
.4byte 0x00090000
.4byte 0x000000FF
.global lbl_803EF4C8
lbl_803EF4C8:
.global fixed_td
fixed_td:
# ROM: 0x3EC4C8
.4byte 0x50050000
.4byte 0x00000001
@ -1100,13 +1100,13 @@ lbl_803EF4C8:
.section .sdata
.global lbl_805A8918
lbl_805A8918:
.global fixed_bl
fixed_bl:
# ROM: 0x3F62B8
.4byte 0x00000009
.global lbl_805A891C
lbl_805A891C:
.global fixed_bd
fixed_bd:
# ROM: 0x3F62BC
.4byte 0x00000005
@ -1114,14 +1114,14 @@ lbl_805A891C:
.global inflate_trees_fixed
inflate_trees_fixed:
/* 80343BC0 00340B20 80 0D 9D 58 */ lwz r0, lbl_805A8918@sda21(r13)
/* 80343BC4 00340B24 3D 00 80 3F */ lis r8, lbl_803EE4C8@ha
/* 80343BC8 00340B28 3C E0 80 3F */ lis r7, lbl_803EF4C8@ha
/* 80343BC0 00340B20 80 0D 9D 58 */ lwz r0, fixed_bl@sda21(r13)
/* 80343BC4 00340B24 3D 00 80 3F */ lis r8, fixed_tl@ha
/* 80343BC8 00340B28 3C E0 80 3F */ lis r7, fixed_td@ha
/* 80343BCC 00340B2C 90 03 00 00 */ stw r0, 0(r3)
/* 80343BD0 00340B30 39 08 E4 C8 */ addi r8, r8, lbl_803EE4C8@l
/* 80343BD4 00340B34 38 07 F4 C8 */ addi r0, r7, lbl_803EF4C8@l
/* 80343BD0 00340B30 39 08 E4 C8 */ addi r8, r8, fixed_tl@l
/* 80343BD4 00340B34 38 07 F4 C8 */ addi r0, r7, fixed_td@l
/* 80343BD8 00340B38 38 60 00 00 */ li r3, 0
/* 80343BDC 00340B3C 80 ED 9D 5C */ lwz r7, lbl_805A891C@sda21(r13)
/* 80343BDC 00340B3C 80 ED 9D 5C */ lwz r7, fixed_bd@sda21(r13)
/* 80343BE0 00340B40 90 E4 00 00 */ stw r7, 0(r4)
/* 80343BE4 00340B44 91 05 00 00 */ stw r8, 0(r5)
/* 80343BE8 00340B48 90 06 00 00 */ stw r0, 0(r6)
@ -1131,7 +1131,7 @@ inflate_trees_fixed:
inflate_trees_dynamic:
/* 80343BF0 00340B50 94 21 FF B0 */ stwu r1, -0x50(r1)
/* 80343BF4 00340B54 7C 08 02 A6 */ mflr r0
/* 80343BF8 00340B58 3D 60 80 3D */ lis r11, lbl_803D7C50@ha
/* 80343BF8 00340B58 3D 60 80 3D */ lis r11, inflate_copyright@ha
/* 80343BFC 00340B5C 90 01 00 54 */ stw r0, 0x54(r1)
/* 80343C00 00340B60 38 00 00 00 */ li r0, 0
/* 80343C04 00340B64 BE A1 00 24 */ stmw r21, 0x24(r1)
@ -1144,7 +1144,7 @@ inflate_trees_dynamic:
/* 80343C20 00340B80 7D 18 43 78 */ mr r24, r8
/* 80343C24 00340B84 7D 36 4B 78 */ mr r22, r9
/* 80343C28 00340B88 7D 57 53 78 */ mr r23, r10
/* 80343C2C 00340B8C 3B 2B 7C 50 */ addi r25, r11, lbl_803D7C50@l
/* 80343C2C 00340B8C 3B 2B 7C 50 */ addi r25, r11, inflate_copyright@l
/* 80343C30 00340B90 38 80 01 20 */ li r4, 0x120
/* 80343C34 00340B94 38 A0 00 04 */ li r5, 4
/* 80343C38 00340B98 90 01 00 10 */ stw r0, 0x10(r1)
@ -1165,8 +1165,8 @@ lbl_80343C5C:
/* 80343C70 00340BD0 7E A9 AB 78 */ mr r9, r21
/* 80343C74 00340BD4 93 E1 00 0C */ stw r31, 0xc(r1)
/* 80343C78 00340BD8 7E EA BB 78 */ mr r10, r23
/* 80343C7C 00340BDC 38 D9 00 30 */ addi r6, r25, 0x30
/* 80343C80 00340BE0 38 F9 00 AC */ addi r7, r25, 0xac
/* 80343C7C 00340BDC 38 D9 00 30 */ addi r6, r25, cplens - inflate_copyright
/* 80343C80 00340BE0 38 F9 00 AC */ addi r7, r25, cplext - inflate_copyright
/* 80343C84 00340BE4 38 A0 01 01 */ li r5, 0x101
/* 80343C88 00340BE8 48 00 02 51 */ bl huft_build
/* 80343C8C 00340BEC 7C 78 1B 79 */ or. r24, r3, r3
@ -1207,8 +1207,8 @@ lbl_80343CF0:
/* 80343D08 00340C68 93 E1 00 0C */ stw r31, 0xc(r1)
/* 80343D0C 00340C6C 7E EA BB 78 */ mr r10, r23
/* 80343D10 00340C70 7C 7C 02 14 */ add r3, r28, r0
/* 80343D14 00340C74 38 D9 01 28 */ addi r6, r25, 0x128
/* 80343D18 00340C78 38 F9 01 A0 */ addi r7, r25, 0x1a0
/* 80343D14 00340C74 38 D9 01 28 */ addi r6, r25, cpdist - inflate_copyright
/* 80343D18 00340C78 38 F9 01 A0 */ addi r7, r25, cpdext - inflate_copyright
/* 80343D1C 00340C7C 38 A0 00 00 */ li r5, 0
/* 80343D20 00340C80 48 00 01 B9 */ bl huft_build
/* 80343D24 00340C84 7C 79 1B 79 */ or. r25, r3, r3
@ -1711,6 +1711,138 @@ lbl_80344400:
/* 80344408 00341368 4E 80 00 20 */ blr
.section .rodata
inflate_copyright:
# ROM: 0x3D4C50
.asciz " inflate 1.1.3 Copyright 1995-1998 Mark Adler "
.balign 4
cplens:
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000006
.4byte 0x00000007
.4byte 0x00000008
.4byte 0x00000009
.4byte 0x0000000A
.4byte 0x0000000B
.4byte 0x0000000D
.4byte 0x0000000F
.4byte 0x00000011
.4byte 0x00000013
.4byte 0x00000017
.4byte 0x0000001B
.4byte 0x0000001F
.4byte 0x00000023
.4byte 0x0000002B
.4byte 0x00000033
.4byte 0x0000003B
.4byte 0x00000043
.4byte 0x00000053
.4byte 0x00000063
.4byte 0x00000073
.4byte 0x00000083
.4byte 0x000000A3
.4byte 0x000000C3
.4byte 0x000000E3
.4byte 0x00000102
.4byte 0
.4byte 0
cplext:
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000005
.4byte 0
.4byte 0x00000070
.4byte 0x00000070
cpdist:
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000007
.4byte 0x00000009
.4byte 0x0000000D
.4byte 0x00000011
.4byte 0x00000019
.4byte 0x00000021
.4byte 0x00000031
.4byte 0x00000041
.4byte 0x00000061
.4byte 0x00000081
.4byte 0x000000C1
.4byte 0x00000101
.4byte 0x00000181
.4byte 0x00000201
.4byte 0x00000301
.4byte 0x00000401
.4byte 0x00000601
.4byte 0x00000801
.4byte 0x00000C01
.4byte 0x00001001
.4byte 0x00001801
.4byte 0x00002001
.4byte 0x00003001
.4byte 0x00004001
.4byte 0x00006001
cpdext:
.4byte 0
.4byte 0
.4byte 0
.4byte 0
.4byte 0x00000001
.4byte 0x00000001
.4byte 0x00000002
.4byte 0x00000002
.4byte 0x00000003
.4byte 0x00000003
.4byte 0x00000004
.4byte 0x00000004
.4byte 0x00000005
.4byte 0x00000005
.4byte 0x00000006
.4byte 0x00000006
.4byte 0x00000007
.4byte 0x00000007
.4byte 0x00000008
.4byte 0x00000008
.4byte 0x00000009
.4byte 0x00000009
.4byte 0x0000000A
.4byte 0x0000000A
.4byte 0x0000000B
.4byte 0x0000000B
.4byte 0x0000000C
.4byte 0x0000000C
.4byte 0x0000000D
.4byte 0x0000000D
.global lbl_803D7E68
lbl_803D7E68:
# ROM: 0x3D4E68

33
asm/Kyoto/zlib/infutil.s
View File

@ -2,8 +2,8 @@
.section .data
.global lbl_803EF5C8
lbl_803EF5C8:
.global inflate_mask
inflate_mask:
# ROM: 0x3EC5C8
.4byte 0
.4byte 0x00000001
@ -134,32 +134,3 @@ lbl_8034456C:
/* 80344580 003414E0 7C 08 03 A6 */ mtlr r0
/* 80344584 003414E4 38 21 00 20 */ addi r1, r1, 0x20
/* 80344588 003414E8 4E 80 00 20 */ blr
.global zcfree
zcfree:
/* 8034458C 003414EC 94 21 FF F0 */ stwu r1, -0x10(r1)
/* 80344590 003414F0 7C 08 02 A6 */ mflr r0
/* 80344594 003414F4 90 01 00 14 */ stw r0, 0x14(r1)
/* 80344598 003414F8 93 E1 00 0C */ stw r31, 0xc(r1)
/* 8034459C 003414FC 7C 7F 1B 78 */ mr r31, r3
/* 803445A0 00341500 7C 83 23 78 */ mr r3, r4
/* 803445A4 00341504 48 04 5D B5 */ bl sub_8038a358
/* 803445A8 00341508 28 1F 00 00 */ cmplwi r31, 0
/* 803445AC 0034150C 80 01 00 14 */ lwz r0, 0x14(r1)
/* 803445B0 00341510 83 E1 00 0C */ lwz r31, 0xc(r1)
/* 803445B4 00341514 7C 08 03 A6 */ mtlr r0
/* 803445B8 00341518 38 21 00 10 */ addi r1, r1, 0x10
/* 803445BC 0034151C 4E 80 00 20 */ blr
.global zcalloc
zcalloc:
/* 803445C0 00341520 94 21 FF F0 */ stwu r1, -0x10(r1)
/* 803445C4 00341524 7C 08 02 A6 */ mflr r0
/* 803445C8 00341528 7C 83 23 78 */ mr r3, r4
/* 803445CC 0034152C 7C A4 2B 78 */ mr r4, r5
/* 803445D0 00341530 90 01 00 14 */ stw r0, 0x14(r1)
/* 803445D4 00341534 48 04 5C C1 */ bl calloc
/* 803445D8 00341538 80 01 00 14 */ lwz r0, 0x14(r1)
/* 803445DC 0034153C 7C 08 03 A6 */ mtlr r0
/* 803445E0 00341540 38 21 00 10 */ addi r1, r1, 0x10
/* 803445E4 00341544 4E 80 00 20 */ blr

32
asm/Kyoto/zlib/zutil.s Normal file
View File

@ -0,0 +1,32 @@
.include "macros.inc"
.section .data
.global zcfree
zcfree:
/* 8034458C 003414EC 94 21 FF F0 */ stwu r1, -0x10(r1)
/* 80344590 003414F0 7C 08 02 A6 */ mflr r0
/* 80344594 003414F4 90 01 00 14 */ stw r0, 0x14(r1)
/* 80344598 003414F8 93 E1 00 0C */ stw r31, 0xc(r1)
/* 8034459C 003414FC 7C 7F 1B 78 */ mr r31, r3
/* 803445A0 00341500 7C 83 23 78 */ mr r3, r4
/* 803445A4 00341504 48 04 5D B5 */ bl free
/* 803445A8 00341508 28 1F 00 00 */ cmplwi r31, 0
/* 803445AC 0034150C 80 01 00 14 */ lwz r0, 0x14(r1)
/* 803445B0 00341510 83 E1 00 0C */ lwz r31, 0xc(r1)
/* 803445B4 00341514 7C 08 03 A6 */ mtlr r0
/* 803445B8 00341518 38 21 00 10 */ addi r1, r1, 0x10
/* 803445BC 0034151C 4E 80 00 20 */ blr
.global zcalloc
zcalloc:
/* 803445C0 00341520 94 21 FF F0 */ stwu r1, -0x10(r1)
/* 803445C4 00341524 7C 08 02 A6 */ mflr r0
/* 803445C8 00341528 7C 83 23 78 */ mr r3, r4
/* 803445CC 0034152C 7C A4 2B 78 */ mr r4, r5
/* 803445D0 00341530 90 01 00 14 */ stw r0, 0x14(r1)
/* 803445D4 00341534 48 04 5C C1 */ bl calloc
/* 803445D8 00341538 80 01 00 14 */ lwz r0, 0x14(r1)
/* 803445DC 0034153C 7C 08 03 A6 */ mtlr r0
/* 803445E0 00341540 38 21 00 10 */ addi r1, r1, 0x10
/* 803445E4 00341544 4E 80 00 20 */ blr

4
asm/Runtime/alloc.s
View File

@ -83,8 +83,8 @@ lbl_8038A33C:
/* 8038A350 003872B0 38 21 00 10 */ addi r1, r1, 0x10
/* 8038A354 003872B4 4E 80 00 20 */ blr
.global sub_8038a358
sub_8038a358:
.global free
free:
/* 8038A358 003872B8 94 21 FF F0 */ stwu r1, -0x10(r1)
/* 8038A35C 003872BC 7C 08 02 A6 */ mflr r0
/* 8038A360 003872C0 90 01 00 14 */ stw r0, 0x14(r1)

2
asm/Runtime/ansi_files.s
View File

@ -58,7 +58,7 @@ lbl_8038B14C:
/* 8038B154 003880B4 88 03 00 0C */ lbz r0, 0xc(r3)
/* 8038B158 003880B8 28 00 00 00 */ cmplwi r0, 0
/* 8038B15C 003880BC 41 82 00 0C */ beq lbl_8038B168
/* 8038B160 003880C0 4B FF F1 F9 */ bl sub_8038a358
/* 8038B160 003880C0 4B FF F1 F9 */ bl free
/* 8038B164 003880C4 48 00 00 30 */ b lbl_8038B194
lbl_8038B168:
/* 8038B168 003880C8 A0 03 00 04 */ lhz r0, 4(r3)

2
asm/Runtime/file_io.s
View File

@ -129,7 +129,7 @@ lbl_8038D3E8:
/* 8038D41C 0038A37C 54 00 E7 FF */ rlwinm. r0, r0, 0x1c, 0x1f, 0x1f
/* 8038D420 0038A380 41 82 00 0C */ beq lbl_8038D42C
/* 8038D424 0038A384 80 7D 00 1C */ lwz r3, 0x1c(r29)
/* 8038D428 0038A388 4B FF CF 31 */ bl sub_8038a358
/* 8038D428 0038A388 4B FF CF 31 */ bl free
lbl_8038D42C:
/* 8038D42C 0038A38C 2C 1E 00 00 */ cmpwi r30, 0
/* 8038D430 0038A390 38 60 00 00 */ li r3, 0

8
asm/musyx/hw_volconv.s
View File

@ -186,13 +186,13 @@ musyx_vol_tab:
.float 1.0
.float 1.0
pan_tab:
.4byte 0
.4byte 0x3F3538EF
.float 0
.float 0.7079
.float 1.0
.float 1.0
pan_tab_dpl2:
.4byte 0x3F133333
.4byte 0x3F3538EF
.float 0.575
.float 0.7079
.float 1.0
.float 1.0
.4byte 0

3
obj_files.mk
View File

@ -571,13 +571,14 @@ KYOTO :=\
$(BUILD_DIR)/asm/Kyoto/CSimplePool.o\
$(BUILD_DIR)/asm/Kyoto/CToken.o\
$(BUILD_DIR)/asm/Kyoto/IObj.o\
$(BUILD_DIR)/asm/Kyoto/zlib/adler32.o\
$(BUILD_DIR)/src/Kyoto/zlib/adler32.o\
$(BUILD_DIR)/asm/Kyoto/zlib/infblock.o\
$(BUILD_DIR)/asm/Kyoto/zlib/infcodes.o\
$(BUILD_DIR)/asm/Kyoto/zlib/inffast.o\
$(BUILD_DIR)/asm/Kyoto/zlib/inflate.o\
$(BUILD_DIR)/asm/Kyoto/zlib/inftrees.o\
$(BUILD_DIR)/asm/Kyoto/zlib/infutil.o\
$(BUILD_DIR)/src/Kyoto/zlib/zutil.o\
$(BUILD_DIR)/asm/Kyoto/CARAMManager.o\
$(BUILD_DIR)/asm/Kyoto/Math/CFrustumPlanes.o\
$(BUILD_DIR)/asm/Kyoto/Graphics/CCubeMaterial.o\

471
src/Kyoto/zlib/ChangeLog Normal file
View File

@ -0,0 +1,471 @@
ChangeLog file for zlib
Changes in 1.1.3 (9 July 1998)
- fix "an inflate input buffer bug that shows up on rare but persistent
occasions" (Mark)
- fix gzread and gztell for concatenated .gz files (Didier Le Botlan)
- fix gzseek(..., SEEK_SET) in write mode
- fix crc check after a gzeek (Frank Faubert)
- fix miniunzip when the last entry in a zip file is itself a zip file
(J Lillge)
- add contrib/asm586 and contrib/asm686 (Brian Raiter)
See http://www.muppetlabs.com/~breadbox/software/assembly.html
- add support for Delphi 3 in contrib/delphi (Bob Dellaca)
- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti)
- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren)
- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks)
- added a FAQ file
- Support gzdopen on Mac with Metrowerks (Jason Linhart)
- Do not redefine Byte on Mac (Brad Pettit & Jason Linhart)
- define SEEK_END too if SEEK_SET is not defined (Albert Chin-A-Young)
- avoid some warnings with Borland C (Tom Tanner)
- fix a problem in contrib/minizip/zip.c for 16-bit MSDOS (Gilles Vollant)
- emulate utime() for WIN32 in contrib/untgz (Gilles Vollant)
- allow several arguments to configure (Tim Mooney, Frodo Looijaard)
- use libdir and includedir in Makefile.in (Tim Mooney)
- support shared libraries on OSF1 V4 (Tim Mooney)
- remove so_locations in "make clean" (Tim Mooney)
- fix maketree.c compilation error (Glenn, Mark)
- Python interface to zlib now in Python 1.5 (Jeremy Hylton)
- new Makefile.riscos (Rich Walker)
- initialize static descriptors in trees.c for embedded targets (Nick Smith)
- use "foo-gz" in example.c for RISCOS and VMS (Nick Smith)
- add the OS/2 files in Makefile.in too (Andrew Zabolotny)
- fix fdopen and halloc macros for Microsoft C 6.0 (Tom Lane)
- fix maketree.c to allow clean compilation of inffixed.h (Mark)
- fix parameter check in deflateCopy (Gunther Nikl)
- cleanup trees.c, use compressed_len only in debug mode (Christian Spieler)
- Many portability patches by Christian Spieler:
. zutil.c, zutil.h: added "const" for zmem*
. Make_vms.com: fixed some typos
. Make_vms.com: msdos/Makefile.*: removed zutil.h from some dependency lists
. msdos/Makefile.msc: remove "default rtl link library" info from obj files
. msdos/Makefile.*: use model-dependent name for the built zlib library
. msdos/Makefile.emx, nt/Makefile.emx, nt/Makefile.gcc:
new makefiles, for emx (DOS/OS2), emx&rsxnt and mingw32 (Windows 9x / NT)
- use define instead of typedef for Bytef also for MSC small/medium (Tom Lane)
- replace __far with _far for better portability (Christian Spieler, Tom Lane)
- fix test for errno.h in configure (Tim Newsham)
Changes in 1.1.2 (19 March 98)
- added contrib/minzip, mini zip and unzip based on zlib (Gilles Vollant)
See http://www.winimage.com/zLibDll/unzip.html
- preinitialize the inflate tables for fixed codes, to make the code
completely thread safe (Mark)
- some simplifications and slight speed-up to the inflate code (Mark)
- fix gzeof on non-compressed files (Allan Schrum)
- add -std1 option in configure for OSF1 to fix gzprintf (Martin Mokrejs)
- use default value of 4K for Z_BUFSIZE for 16-bit MSDOS (Tim Wegner + Glenn)
- added os2/Makefile.def and os2/zlib.def (Andrew Zabolotny)
- add shared lib support for UNIX_SV4.2MP (MATSUURA Takanori)
- do not wrap extern "C" around system includes (Tom Lane)
- mention zlib binding for TCL in README (Andreas Kupries)
- added amiga/Makefile.pup for Amiga powerUP SAS/C PPC (Andreas Kleinert)
- allow "make install prefix=..." even after configure (Glenn Randers-Pehrson)
- allow "configure --prefix $HOME" (Tim Mooney)
- remove warnings in example.c and gzio.c (Glenn Randers-Pehrson)
- move Makefile.sas to amiga/Makefile.sas
Changes in 1.1.1 (27 Feb 98)
- fix macros _tr_tally_* in deflate.h for debug mode (Glenn Randers-Pehrson)
- remove block truncation heuristic which had very marginal effect for zlib
(smaller lit_bufsize than in gzip 1.2.4) and degraded a little the
compression ratio on some files. This also allows inlining _tr_tally for
matches in deflate_slow.
- added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier)
Changes in 1.1.0 (24 Feb 98)
- do not return STREAM_END prematurely in inflate (John Bowler)
- revert to the zlib 1.0.8 inflate to avoid the gcc 2.8.0 bug (Jeremy Buhler)
- compile with -DFASTEST to get compression code optimized for speed only
- in minigzip, try mmap'ing the input file first (Miguel Albrecht)
- increase size of I/O buffers in minigzip.c and gzio.c (not a big gain
on Sun but significant on HP)
- add a pointer to experimental unzip library in README (Gilles Vollant)
- initialize variable gcc in configure (Chris Herborth)
Changes in 1.0.9 (17 Feb 1998)
- added gzputs and gzgets functions
- do not clear eof flag in gzseek (Mark Diekhans)
- fix gzseek for files in transparent mode (Mark Diekhans)
- do not assume that vsprintf returns the number of bytes written (Jens Krinke)
- replace EXPORT with ZEXPORT to avoid conflict with other programs
- added compress2 in zconf.h, zlib.def, zlib.dnt
- new asm code from Gilles Vollant in contrib/asm386
- simplify the inflate code (Mark):
. Replace ZALLOC's in huft_build() with single ZALLOC in inflate_blocks_new()
. ZALLOC the length list in inflate_trees_fixed() instead of using stack
. ZALLOC the value area for huft_build() instead of using stack
. Simplify Z_FINISH check in inflate()
- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8
- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi)
- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with
the declaration of FAR (Gilles VOllant)
- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann)
- read_buf buf parameter of type Bytef* instead of charf*
- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout)
- do not redeclare unlink in minigzip.c for WIN32 (John Bowler)
- fix check for presence of directories in "make install" (Ian Willis)
Changes in 1.0.8 (27 Jan 1998)
- fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant)
- fix gzgetc and gzputc for big endian systems (Markus Oberhumer)
- added compress2() to allow setting the compression level
- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong)
- use constant arrays for the static trees in trees.c instead of computing
them at run time (thanks to Ken Raeburn for this suggestion). To create
trees.h, compile with GEN_TREES_H and run "make test".
- check return code of example in "make test" and display result
- pass minigzip command line options to file_compress
- simplifying code of inflateSync to avoid gcc 2.8 bug
- support CC="gcc -Wall" in configure -s (QingLong)
- avoid a flush caused by ftell in gzopen for write mode (Ken Raeburn)
- fix test for shared library support to avoid compiler warnings
- zlib.lib -> zlib.dll in msdos/zlib.rc (Gilles Vollant)
- check for TARGET_OS_MAC in addition to MACOS (Brad Pettit)
- do not use fdopen for Metrowerks on Mac (Brad Pettit))
- add checks for gzputc and gzputc in example.c
- avoid warnings in gzio.c and deflate.c (Andreas Kleinert)
- use const for the CRC table (Ken Raeburn)
- fixed "make uninstall" for shared libraries
- use Tracev instead of Trace in infblock.c
- in example.c use correct compressed length for test_sync
- suppress +vnocompatwarnings in configure for HPUX (not always supported)
Changes in 1.0.7 (20 Jan 1998)
- fix gzseek which was broken in write mode
- return error for gzseek to negative absolute position
- fix configure for Linux (Chun-Chung Chen)
- increase stack space for MSC (Tim Wegner)
- get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant)
- define EXPORTVA for gzprintf (Gilles Vollant)
- added man page zlib.3 (Rick Rodgers)
- for contrib/untgz, fix makedir() and improve Makefile
- check gzseek in write mode in example.c
- allocate extra buffer for seeks only if gzseek is actually called
- avoid signed/unsigned comparisons (Tim Wegner, Gilles Vollant)
- add inflateSyncPoint in zconf.h
- fix list of exported functions in nt/zlib.dnt and mdsos/zlib.def
Changes in 1.0.6 (19 Jan 1998)
- add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and
gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code)
- Fix a deflate bug occuring only with compression level 0 (thanks to
Andy Buckler for finding this one).
- In minigzip, pass transparently also the first byte for .Z files.
- return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress()
- check Z_FINISH in inflate (thanks to Marc Schluper)
- Implement deflateCopy (thanks to Adam Costello)
- make static libraries by default in configure, add --shared option.
- move MSDOS or Windows specific files to directory msdos
- suppress the notion of partial flush to simplify the interface
(but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4)
- suppress history buffer provided by application to simplify the interface
(this feature was not implemented anyway in 1.0.4)
- next_in and avail_in must be initialized before calling inflateInit or
inflateInit2
- add EXPORT in all exported functions (for Windows DLL)
- added Makefile.nt (thanks to Stephen Williams)
- added the unsupported "contrib" directory:
contrib/asm386/ by Gilles Vollant <info@winimage.com>
386 asm code replacing longest_match().
contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
A C++ I/O streams interface to the zlib gz* functions
contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
Another C++ I/O streams interface
contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
A very simple tar.gz file extractor using zlib
contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl>
How to use compress(), uncompress() and the gz* functions from VB.
- pass params -f (filtered data), -h (huffman only), -1 to -9 (compression
level) in minigzip (thanks to Tom Lane)
- use const for rommable constants in deflate
- added test for gzseek and gztell in example.c
- add undocumented function inflateSyncPoint() (hack for Paul Mackerras)
- add undocumented function zError to convert error code to string
(for Tim Smithers)
- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code.
- Use default memcpy for Symantec MSDOS compiler.
- Add EXPORT keyword for check_func (needed for Windows DLL)
- add current directory to LD_LIBRARY_PATH for "make test"
- create also a link for libz.so.1
- added support for FUJITSU UXP/DS (thanks to Toshiaki Nomura)
- use $(SHAREDLIB) instead of libz.so in Makefile.in (for HPUX)
- added -soname for Linux in configure (Chun-Chung Chen,
- assign numbers to the exported functions in zlib.def (for Windows DLL)
- add advice in zlib.h for best usage of deflateSetDictionary
- work around compiler bug on Atari (cast Z_NULL in call of s->checkfn)
- allow compilation with ANSI keywords only enabled for TurboC in large model
- avoid "versionString"[0] (Borland bug)
- add NEED_DUMMY_RETURN for Borland
- use variable z_verbose for tracing in debug mode (L. Peter Deutsch).
- allow compilation with CC
- defined STDC for OS/2 (David Charlap)
- limit external names to 8 chars for MVS (Thomas Lund)
- in minigzip.c, use static buffers only for 16-bit systems
- fix suffix check for "minigzip -d foo.gz"
- do not return an error for the 2nd of two consecutive gzflush() (Felix Lee)
- use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau)
- added makelcc.bat for lcc-win32 (Tom St Denis)
- in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe)
- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion.
- check for unistd.h in configure (for off_t)
- remove useless check parameter in inflate_blocks_free
- avoid useless assignment of s->check to itself in inflate_blocks_new
- do not flush twice in gzclose (thanks to Ken Raeburn)
- rename FOPEN as F_OPEN to avoid clash with /usr/include/sys/file.h
- use NO_ERRNO_H instead of enumeration of operating systems with errno.h
- work around buggy fclose on pipes for HP/UX
- support zlib DLL with BORLAND C++ 5.0 (thanks to Glenn Randers-Pehrson)
- fix configure if CC is already equal to gcc
Changes in 1.0.5 (3 Jan 98)
- Fix inflate to terminate gracefully when fed corrupted or invalid data
- Use const for rommable constants in inflate
- Eliminate memory leaks on error conditions in inflate
- Removed some vestigial code in inflate
- Update web address in README
Changes in 1.0.4 (24 Jul 96)
- In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF
bit, so the decompressor could decompress all the correct data but went
on to attempt decompressing extra garbage data. This affected minigzip too.
- zlibVersion and gzerror return const char* (needed for DLL)
- port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno)
- use z_error only for DEBUG (avoid problem with DLLs)
Changes in 1.0.3 (2 Jul 96)
- use z_streamp instead of z_stream *, which is now a far pointer in MSDOS
small and medium models; this makes the library incompatible with previous
versions for these models. (No effect in large model or on other systems.)
- return OK instead of BUF_ERROR if previous deflate call returned with
avail_out as zero but there is nothing to do
- added memcmp for non STDC compilers
- define NO_DUMMY_DECL for more Mac compilers (.h files merged incorrectly)
- define __32BIT__ if __386__ or i386 is defined (pb. with Watcom and SCO)
- better check for 16-bit mode MSC (avoids problem with Symantec)
Changes in 1.0.2 (23 May 96)
- added Windows DLL support
- added a function zlibVersion (for the DLL support)
- fixed declarations using Bytef in infutil.c (pb with MSDOS medium model)
- Bytef is define's instead of typedef'd only for Borland C
- avoid reading uninitialized memory in example.c
- mention in README that the zlib format is now RFC1950
- updated Makefile.dj2
- added algorithm.doc
Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion]
- fix array overlay in deflate.c which sometimes caused bad compressed data
- fix inflate bug with empty stored block
- fix MSDOS medium model which was broken in 0.99
- fix deflateParams() which could generated bad compressed data.
- Bytef is define'd instead of typedef'ed (work around Borland bug)
- added an INDEX file
- new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32),
Watcom (Makefile.wat), Amiga SAS/C (Makefile.sas)
- speed up adler32 for modern machines without auto-increment
- added -ansi for IRIX in configure
- static_init_done in trees.c is an int
- define unlink as delete for VMS
- fix configure for QNX
- add configure branch for SCO and HPUX
- avoid many warnings (unused variables, dead assignments, etc...)
- no fdopen for BeOS
- fix the Watcom fix for 32 bit mode (define FAR as empty)
- removed redefinition of Byte for MKWERKS
- work around an MWKERKS bug (incorrect merge of all .h files)
Changes in 0.99 (27 Jan 96)
- allow preset dictionary shared between compressor and decompressor
- allow compression level 0 (no compression)
- add deflateParams in zlib.h: allow dynamic change of compression level
and compression strategy.
- test large buffers and deflateParams in example.c
- add optional "configure" to build zlib as a shared library
- suppress Makefile.qnx, use configure instead
- fixed deflate for 64-bit systems (detected on Cray)
- fixed inflate_blocks for 64-bit systems (detected on Alpha)
- declare Z_DEFLATED in zlib.h (possible parameter for deflateInit2)
- always return Z_BUF_ERROR when deflate() has nothing to do
- deflateInit and inflateInit are now macros to allow version checking
- prefix all global functions and types with z_ with -DZ_PREFIX
- make falloc completely reentrant (inftrees.c)
- fixed very unlikely race condition in ct_static_init
- free in reverse order of allocation to help memory manager
- use zlib-1.0/* instead of zlib/* inside the tar.gz
- make zlib warning-free with "gcc -O3 -Wall -Wwrite-strings -Wpointer-arith
-Wconversion -Wstrict-prototypes -Wmissing-prototypes"
- allow gzread on concatenated .gz files
- deflateEnd now returns Z_DATA_ERROR if it was premature
- deflate is finally (?) fully deterministic (no matches beyond end of input)
- Document Z_SYNC_FLUSH
- add uninstall in Makefile
- Check for __cpluplus in zlib.h
- Better test in ct_align for partial flush
- avoid harmless warnings for Borland C++
- initialize hash_head in deflate.c
- avoid warning on fdopen (gzio.c) for HP cc -Aa
- include stdlib.h for STDC compilers
- include errno.h for Cray
- ignore error if ranlib doesn't exist
- call ranlib twice for NeXTSTEP
- use exec_prefix instead of prefix for libz.a
- renamed ct_* as _tr_* to avoid conflict with applications
- clear z->msg in inflateInit2 before any error return
- initialize opaque in example.c, gzio.c, deflate.c and inflate.c
- fixed typo in zconf.h (_GNUC__ => __GNUC__)
- check for WIN32 in zconf.h and zutil.c (avoid farmalloc in 32-bit mode)
- fix typo in Make_vms.com (f$trnlnm -> f$getsyi)
- in fcalloc, normalize pointer if size > 65520 bytes
- don't use special fcalloc for 32 bit Borland C++
- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc...
- use Z_BINARY instead of BINARY
- document that gzclose after gzdopen will close the file
- allow "a" as mode in gzopen.
- fix error checking in gzread
- allow skipping .gz extra-field on pipes
- added reference to Perl interface in README
- put the crc table in FAR data (I dislike more and more the medium model :)
- added get_crc_table
- added a dimension to all arrays (Borland C can't count).
- workaround Borland C bug in declaration of inflate_codes_new & inflate_fast
- guard against multiple inclusion of *.h (for precompiled header on Mac)
- Watcom C pretends to be Microsoft C small model even in 32 bit mode.
- don't use unsized arrays to avoid silly warnings by Visual C++:
warning C4746: 'inflate_mask' : unsized array treated as '__far'
(what's wrong with far data in far model?).
- define enum out of inflate_blocks_state to allow compilation with C++
Changes in 0.95 (16 Aug 95)
- fix MSDOS small and medium model (now easier to adapt to any compiler)
- inlined send_bits
- fix the final (:-) bug for deflate with flush (output was correct but
not completely flushed in rare occasions).
- default window size is same for compression and decompression
(it's now sufficient to set MAX_WBITS in zconf.h).
- voidp -> voidpf and voidnp -> voidp (for consistency with other
typedefs and because voidnp was not near in large model).
Changes in 0.94 (13 Aug 95)
- support MSDOS medium model
- fix deflate with flush (could sometimes generate bad output)
- fix deflateReset (zlib header was incorrectly suppressed)
- added support for VMS
- allow a compression level in gzopen()
- gzflush now calls fflush
- For deflate with flush, flush even if no more input is provided.
- rename libgz.a as libz.a
- avoid complex expression in infcodes.c triggering Turbo C bug
- work around a problem with gcc on Alpha (in INSERT_STRING)
- don't use inline functions (problem with some gcc versions)
- allow renaming of Byte, uInt, etc... with #define.
- avoid warning about (unused) pointer before start of array in deflate.c
- avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c
- avoid reserved word 'new' in trees.c
Changes in 0.93 (25 June 95)
- temporarily disable inline functions
- make deflate deterministic
- give enough lookahead for PARTIAL_FLUSH
- Set binary mode for stdin/stdout in minigzip.c for OS/2
- don't even use signed char in inflate (not portable enough)
- fix inflate memory leak for segmented architectures
Changes in 0.92 (3 May 95)
- don't assume that char is signed (problem on SGI)
- Clear bit buffer when starting a stored block
- no memcpy on Pyramid
- suppressed inftest.c
- optimized fill_window, put longest_match inline for gcc
- optimized inflate on stored blocks.
- untabify all sources to simplify patches
Changes in 0.91 (2 May 95)
- Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h
- Document the memory requirements in zconf.h
- added "make install"
- fix sync search logic in inflateSync
- deflate(Z_FULL_FLUSH) now works even if output buffer too short
- after inflateSync, don't scare people with just "lo world"
- added support for DJGPP
Changes in 0.9 (1 May 95)
- don't assume that zalloc clears the allocated memory (the TurboC bug
was Mark's bug after all :)
- let again gzread copy uncompressed data unchanged (was working in 0.71)
- deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented
- added a test of inflateSync in example.c
- moved MAX_WBITS to zconf.h because users might want to change that.
- document explicitly that zalloc(64K) on MSDOS must return a normalized
pointer (zero offset)
- added Makefiles for Microsoft C, Turbo C, Borland C++
- faster crc32()
Changes in 0.8 (29 April 95)
- added fast inflate (inffast.c)
- deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this
is incompatible with previous versions of zlib which returned Z_OK.
- work around a TurboC compiler bug (bad code for b << 0, see infutil.h)
(actually that was not a compiler bug, see 0.81 above)
- gzread no longer reads one extra byte in certain cases
- In gzio destroy(), don't reference a freed structure
- avoid many warnings for MSDOS
- avoid the ERROR symbol which is used by MS Windows
Changes in 0.71 (14 April 95)
- Fixed more MSDOS compilation problems :( There is still a bug with
TurboC large model.
Changes in 0.7 (14 April 95)
- Added full inflate support.
- Simplified the crc32() interface. The pre- and post-conditioning
(one's complement) is now done inside crc32(). WARNING: this is
incompatible with previous versions; see zlib.h for the new usage.
Changes in 0.61 (12 April 95)
- workaround for a bug in TurboC. example and minigzip now work on MSDOS.
Changes in 0.6 (11 April 95)
- added minigzip.c
- added gzdopen to reopen a file descriptor as gzFile
- added transparent reading of non-gziped files in gzread.
- fixed bug in gzread (don't read crc as data)
- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose).
- don't allocate big arrays in the stack (for MSDOS)
- fix some MSDOS compilation problems
Changes in 0.5:
- do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but
not yet Z_FULL_FLUSH.
- support decompression but only in a single step (forced Z_FINISH)
- added opaque object for zalloc and zfree.
- added deflateReset and inflateReset
- added a variable zlib_version for consistency checking.
- renamed the 'filter' parameter of deflateInit2 as 'strategy'.
Added Z_FILTERED and Z_HUFFMAN_ONLY constants.
Changes in 0.4:
- avoid "zip" everywhere, use zlib instead of ziplib.
- suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush
if compression method == 8.
- added adler32 and crc32
- renamed deflateOptions as deflateInit2, call one or the other but not both
- added the method parameter for deflateInit2.
- added inflateInit2
- simplied considerably deflateInit and inflateInit by not supporting
user-provided history buffer. This is supported only in deflateInit2
and inflateInit2.
Changes in 0.3:
- prefix all macro names with Z_
- use Z_FINISH instead of deflateEnd to finish compression.
- added Z_HUFFMAN_ONLY
- added gzerror()

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Frequently Asked Questions about zlib
If your question is not there, please check the zlib home page
http://www.cdrom.com/pub/infozip/zlib/ which may have more recent information.
1) I need a Windows DLL
2) I need a Visual Basic interface to zlib
3) compress() returns Z_BUF_ERROR
4) deflate or inflate returns Z_BUF_ERROR
5) Where is the zlib documentation (man pages, etc...)?
6) Why don't you use GNU autoconf, libtool, etc...?
7) There is a bug in zlib.
8) I get "undefined reference to gzputc"
1) I need a Windows DLL
The zlib sources can be compiled without change to produce a DLL.
If you want a precompiled DLL, see http://www.winimage.com/zLibDll
2) I need a Visual Basic interface to zlib
See http://www.tcfb.com/dowseware/cmp-z-it.zip
http://web2.airmail.net/markn/articles/zlibtool/zlibtool.htm
and contrib/visual-basic.txt
3) compress() returns Z_BUF_ERROR
Make sure that before the call of compress, the length of the
compressed buffer is equal to the total size of the compressed buffer
and not zero. For Visual Basic, check that this parameter is passed
by reference ("as any"), not by value ("as long").
4) deflate or inflate returns Z_BUF_ERROR
Make sure that before the call avail_in and avail_out are not zero.
5) Where is the zlib documentation (man pages, etc...)?
It's in zlib.h for the moment. Volunteers to transform this
to man pages, please contact jloup@gzip.org. Examples of zlib usage
are in the files example.c and minigzip.c.
6) Why don't you use GNU autoconf, libtool, etc...?
Because we would like to keep zlib as a very small and simple package.
zlib is rather portable and doesn't need much configuration.
7) There is a bug in zlib.
Most of the time, such problems are due to an incorrect usage
of zlib. Please try to reproduce the problem with a small
program and send us the corresponding source at zlib@quest.jpl.nasa.gov
Do not send multi-megabyte data files without prior agreement.
8) I get "undefined reference to gzputc"
If "make test" produces something like
example.o(.text+0x174):
check that you don't have old files libz.* in /usr/lib, /usr/local/lib
or /usr/X11R6/lib. Remove old versions then do "make install".

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ChangeLog history of changes
INDEX this file
FAQ Frequently Asked Questions about zlib
Make_vms.com script for Vax/VMS
Makefile makefile for Unix (generated by configure)
Makefile.in makefile for Unix (template for configure)
Makefile.riscos makefile for RISCOS
README guess what
algorithm.txt description of the (de)compression algorithm
configure configure script for Unix
descrip.mms makefile for Vax/VMS
zlib.3 mini man page for zlib (volunteers to write full
man pages from zlib.h welcome. write to jloup@gzip.org)
amiga/Makefile.sas makefile for Amiga SAS/C
amiga/Makefile.pup makefile for Amiga powerUP SAS/C PPC
msdos/Makefile.w32 makefile for Microsoft Visual C++ 32-bit
msdos/Makefile.b32 makefile for Borland C++ 32-bit
msdos/Makefile.bor makefile for Borland C/C++ 16-bit
msdos/Makefile.dj2 makefile for DJGPP 2.x
msdos/Makefile.emx makefile for EMX 0.9c (32-bit DOS/OS2)
msdos/Makefile.msc makefile for Microsoft C 16-bit
msdos/Makefile.tc makefile for Turbo C
msdos/Makefile.wat makefile for Watcom C
msdos/zlib.def definition file for Windows DLL
msdos/zlib.rc definition file for Windows DLL
nt/Makefile.nt makefile for Windows NT
nt/zlib.dnt definition file for Windows NT DLL
nt/Makefile.emx makefile for EMX 0.9c/RSXNT 1.41 (Win32 Intel)
nt/Makefile.gcc makefile for Windows NT using GCC (mingw32)
zlib public header files (must be kept):
zconf.h
zlib.h
private source files used to build the zlib library:
adler32.c
compress.c
crc32.c
deflate.c
deflate.h
gzio.c
infblock.c
infblock.h
infcodes.c
infcodes.h
inffast.c
inffast.h
inflate.c
inftrees.c
inftrees.h
infutil.c
infutil.h
maketree.c
trees.c
uncompr.c
zutil.c
zutil.h
source files for sample programs:
example.c
minigzip.c
unsupported contribution by third parties
contrib/asm386/ by Gilles Vollant <info@winimage.com>
386 asm code replacing longest_match().
contrib/minizip/ by Gilles Vollant <info@winimage.com>
Mini zip and unzip based on zlib
See http://www.winimage.com/zLibDll/unzip.html
contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
A C++ I/O streams interface to the zlib gz* functions
contrib/iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
Another C++ I/O streams interface
contrib/untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
A very simple tar.gz extractor using zlib
contrib/visual-basic.txt by Carlos Rios <c_rios@sonda.cl>
How to use compress(), uncompress() and the gz* functions from VB.

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$! make libz under VMS
$! written by Martin P.J. Zinser <m.zinser@gsi.de>
$!
$! Look for the compiler used
$!
$ ccopt = ""
$ if f$getsyi("HW_MODEL").ge.1024
$ then
$ ccopt = "/prefix=all"+ccopt
$ comp = "__decc__=1"
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ else
$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
$ then
$ comp = "__vaxc__=1"
$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
$ else
$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
$ ccopt = "/decc/prefix=all"+ccopt
$ comp = "__decc__=1"
$ endif
$ endif
$!
$! Build the thing plain or with mms
$!
$ write sys$output "Compiling Zlib sources ..."
$ if f$search("SYS$SYSTEM:MMS.EXE").eqs.""
$ then
$ dele example.obj;*,minigzip.obj;*
$ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" -
adler32.c zlib.h zconf.h
$ CALL MAKE compress.OBJ "CC ''CCOPT' compress" -
compress.c zlib.h zconf.h
$ CALL MAKE crc32.OBJ "CC ''CCOPT' crc32" -
crc32.c zlib.h zconf.h
$ CALL MAKE deflate.OBJ "CC ''CCOPT' deflate" -
deflate.c deflate.h zutil.h zlib.h zconf.h
$ CALL MAKE gzio.OBJ "CC ''CCOPT' gzio" -
gzio.c zutil.h zlib.h zconf.h
$ CALL MAKE infblock.OBJ "CC ''CCOPT' infblock" -
infblock.c zutil.h zlib.h zconf.h infblock.h
$ CALL MAKE infcodes.OBJ "CC ''CCOPT' infcodes" -
infcodes.c zutil.h zlib.h zconf.h inftrees.h
$ CALL MAKE inffast.OBJ "CC ''CCOPT' inffast" -
inffast.c zutil.h zlib.h zconf.h inffast.h
$ CALL MAKE inflate.OBJ "CC ''CCOPT' inflate" -
inflate.c zutil.h zlib.h zconf.h infblock.h
$ CALL MAKE inftrees.OBJ "CC ''CCOPT' inftrees" -
inftrees.c zutil.h zlib.h zconf.h inftrees.h
$ CALL MAKE infutil.OBJ "CC ''CCOPT' infutil" -
infutil.c zutil.h zlib.h zconf.h inftrees.h infutil.h
$ CALL MAKE trees.OBJ "CC ''CCOPT' trees" -
trees.c deflate.h zutil.h zlib.h zconf.h
$ CALL MAKE uncompr.OBJ "CC ''CCOPT' uncompr" -
uncompr.c zlib.h zconf.h
$ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" -
zutil.c zutil.h zlib.h zconf.h
$ write sys$output "Building Zlib ..."
$ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ
$ write sys$output "Building example..."
$ CALL MAKE example.OBJ "CC ''CCOPT' example" -
example.c zlib.h zconf.h
$ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb
$ write sys$output "Building minigzip..."
$ CALL MAKE minigzip.OBJ "CC ''CCOPT' minigzip" -
minigzip.c zlib.h zconf.h
$ call make minigzip.exe -
"LINK minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib" -
minigzip.obj libz.olb
$ else
$ mms/macro=('comp')
$ endif
$ write sys$output "Zlib build completed"
$ exit
$!
$!
$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
$ V = 'F$Verify(0)
$! P1 = What we are trying to make
$! P2 = Command to make it
$! P3 - P8 What it depends on
$
$ If F$Search(P1) .Eqs. "" Then Goto Makeit
$ Time = F$CvTime(F$File(P1,"RDT"))
$arg=3
$Loop:
$ Argument = P'arg
$ If Argument .Eqs. "" Then Goto Exit
$ El=0
$Loop2:
$ File = F$Element(El," ",Argument)
$ If File .Eqs. " " Then Goto Endl
$ AFile = ""
$Loop3:
$ OFile = AFile
$ AFile = F$Search(File)
$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
$ Goto Loop3
$NextEL:
$ El = El + 1
$ Goto Loop2
$EndL:
$ arg=arg+1
$ If arg .Le. 8 Then Goto Loop
$ Goto Exit
$
$Makeit:
$ VV=F$VERIFY(0)
$ write sys$output P2
$ 'P2
$ VV='F$Verify(VV)
$Exit:
$ If V Then Set Verify
$ENDSUBROUTINE

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# Makefile for zlib
# Copyright (C) 1995-1998 Jean-loup Gailly.
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile and test, type:
# ./configure; make test
# The call of configure is optional if you don't have special requirements
# If you wish to build zlib as a shared library, use: ./configure -s
# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type:
# make install
# To install in $HOME instead of /usr/local, use:
# make install prefix=$HOME
CC=gcc
CFLAGS=-O3 -DHAVE_UNISTD_H
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-g -DDEBUG
#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
# -Wstrict-prototypes -Wmissing-prototypes
LDFLAGS=-L. -lz
LDSHARED=gcc
CPP=gcc -E
VER=1.1.3
LIBS=libz.a
SHAREDLIB=libz.so
AR=ar rc
RANLIB=ranlib
TAR=tar
SHELL=/bin/sh
prefix =/usr/local
exec_prefix =${prefix}
libdir =${exec_prefix}/lib
includedir =${prefix}/include
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
OBJA =
# to use the asm code: make OBJA=match.o
TEST_OBJS = example.o minigzip.o
DISTFILES = README FAQ INDEX ChangeLog configure Make*[a-z0-9] *.[ch] *.mms \
algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \
nt/Make*[a-z0-9] nt/zlib.dnt amiga/Make*.??? os2/M*.os2 os2/zlib.def \
contrib/RE*.contrib contrib/*.txt contrib/asm386/*.asm contrib/asm386/*.c \
contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/asm[56]86/*.?86 \
contrib/asm[56]86/*.S contrib/iostream/*.cpp \
contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \
contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 \
contrib/minizip/[CM]*[pe] contrib/minizip/*.[ch] contrib/minizip/*.[td]?? \
contrib/delphi*/*.???
all: example minigzip
test: all
@LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
echo hello world | ./minigzip | ./minigzip -d || \
echo ' *** minigzip test FAILED ***' ; \
if ./example; then \
echo ' *** zlib test OK ***'; \
else \
echo ' *** zlib test FAILED ***'; \
fi
libz.a: $(OBJS) $(OBJA)
$(AR) $@ $(OBJS) $(OBJA)
-@ ($(RANLIB) $@ || true) >/dev/null 2>&1
match.o: match.S
$(CPP) match.S > _match.s
$(CC) -c _match.s
mv _match.o match.o
rm -f _match.s
$(SHAREDLIB).$(VER): $(OBJS)
$(LDSHARED) -o $@ $(OBJS)
rm -f $(SHAREDLIB) $(SHAREDLIB).1
ln -s $@ $(SHAREDLIB)
ln -s $@ $(SHAREDLIB).1
example: example.o $(LIBS)
$(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
minigzip: minigzip.o $(LIBS)
$(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
install: $(LIBS)
-@if [ ! -d $(includedir) ]; then mkdir $(includedir); fi
-@if [ ! -d $(libdir) ]; then mkdir $(libdir); fi
cp zlib.h zconf.h $(includedir)
chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
cp $(LIBS) $(libdir)
cd $(libdir); chmod 755 $(LIBS)
-@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
cd $(libdir); if test -f $(SHAREDLIB).$(VER); then \
rm -f $(SHAREDLIB) $(SHAREDLIB).1; \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB); \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB).1; \
(ldconfig || true) >/dev/null 2>&1; \
fi
# The ranlib in install is needed on NeXTSTEP which checks file times
# ldconfig is for Linux
uninstall:
cd $(includedir); \
v=$(VER); \
if test -f zlib.h; then \
v=`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`; \
rm -f zlib.h zconf.h; \
fi; \
cd $(libdir); rm -f libz.a; \
if test -f $(SHAREDLIB).$$v; then \
rm -f $(SHAREDLIB).$$v $(SHAREDLIB) $(SHAREDLIB).1; \
fi
clean:
rm -f *.o *~ example minigzip libz.a libz.so* foo.gz so_locations \
_match.s maketree
distclean: clean
zip:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
zip -ul9 zlib$$v $(DISTFILES)
mv Makefile~ Makefile
dist:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
rm -f $$d.tar.gz; \
if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \
files=""; \
for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \
cd ..; \
GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \
if test ! -d $$d; then rm -f $$d; fi
mv Makefile~ Makefile
tags:
etags *.[ch]
depend:
makedepend -- $(CFLAGS) -- *.[ch]
# DO NOT DELETE THIS LINE -- make depend depends on it.
adler32.o: zlib.h zconf.h
compress.o: zlib.h zconf.h
crc32.o: zlib.h zconf.h
deflate.o: deflate.h zutil.h zlib.h zconf.h
example.o: zlib.h zconf.h
gzio.o: zutil.h zlib.h zconf.h
infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h
infcodes.o: zutil.h zlib.h zconf.h
infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h
inffast.o: zutil.h zlib.h zconf.h inftrees.h
inffast.o: infblock.h infcodes.h infutil.h inffast.h
inflate.o: zutil.h zlib.h zconf.h infblock.h
inftrees.o: zutil.h zlib.h zconf.h inftrees.h
infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
minigzip.o: zlib.h zconf.h
trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
uncompr.o: zlib.h zconf.h
zutil.o: zutil.h zlib.h zconf.h

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# Makefile for zlib
# Copyright (C) 1995-1998 Jean-loup Gailly.
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile and test, type:
# ./configure; make test
# The call of configure is optional if you don't have special requirements
# If you wish to build zlib as a shared library, use: ./configure -s
# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type:
# make install
# To install in $HOME instead of /usr/local, use:
# make install prefix=$HOME
CC=gcc
CFLAGS=-O3 -DHAVE_UNISTD_H
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-g -DDEBUG
#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
# -Wstrict-prototypes -Wmissing-prototypes
LDFLAGS=-L. -lz
LDSHARED=gcc
CPP=gcc -E
VER=1.1.3
LIBS=libz.a
SHAREDLIB=libz.so
AR=ar rc
RANLIB=ranlib
TAR=tar
SHELL=/bin/sh
prefix =/usr/local
exec_prefix =${prefix}
libdir =${exec_prefix}/lib
includedir =${prefix}/include
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
OBJA =
# to use the asm code: make OBJA=match.o
TEST_OBJS = example.o minigzip.o
DISTFILES = README FAQ INDEX ChangeLog configure Make*[a-z0-9] *.[ch] *.mms \
algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \
nt/Make*[a-z0-9] nt/zlib.dnt amiga/Make*.??? os2/M*.os2 os2/zlib.def \
contrib/RE*.contrib contrib/*.txt contrib/asm386/*.asm contrib/asm386/*.c \
contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/asm[56]86/*.?86 \
contrib/asm[56]86/*.S contrib/iostream/*.cpp \
contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \
contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 \
contrib/minizip/[CM]*[pe] contrib/minizip/*.[ch] contrib/minizip/*.[td]?? \
contrib/delphi*/*.???
all: example minigzip libz.dll
test: all
@LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
echo hello world | ./minigzip | ./minigzip -d || \
echo ' *** minigzip test FAILED ***' ; \
if ./example; then \
echo ' *** zlib test OK ***'; \
else \
echo ' *** zlib test FAILED ***'; \
fi
libz.a: $(OBJS) $(OBJA)
$(AR) $@ $(OBJS) $(OBJA)
-@ ($(RANLIB) $@ || true) >/dev/null 2>&1
libz.def: $(OBJS) $(OBJA)
dllname libz $(OBJS) $(OBJA)
libz.dll: $(OBJS) $(OBJA) libz.def
dllbuild libz $(OBJS) $(OBJA)
match.o: match.S
$(CPP) match.S > _match.s
$(CC) -c _match.s
mv _match.o match.o
rm -f _match.s
$(SHAREDLIB).$(VER): $(OBJS)
$(LDSHARED) -o $@ $(OBJS)
rm -f $(SHAREDLIB) $(SHAREDLIB).1
ln -s $@ $(SHAREDLIB)
ln -s $@ $(SHAREDLIB).1
example: example.o $(LIBS)
$(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
minigzip: minigzip.o $(LIBS)
$(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
install: $(LIBS)
-@if [ ! -d $(includedir) ]; then mkdir $(includedir); fi
-@if [ ! -d $(libdir) ]; then mkdir $(libdir); fi
cp zlib.h zconf.h $(includedir)
chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
cp $(LIBS) $(libdir)
cd $(libdir); chmod 755 $(LIBS)
-@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
cd $(libdir); if test -f $(SHAREDLIB).$(VER); then \
rm -f $(SHAREDLIB) $(SHAREDLIB).1; \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB); \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB).1; \
(ldconfig || true) >/dev/null 2>&1; \
fi
# The ranlib in install is needed on NeXTSTEP which checks file times
# ldconfig is for Linux
uninstall:
cd $(includedir); \
v=$(VER); \
if test -f zlib.h; then \
v=`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`; \
rm -f zlib.h zconf.h; \
fi; \
cd $(libdir); rm -f libz.a; \
if test -f $(SHAREDLIB).$$v; then \
rm -f $(SHAREDLIB).$$v $(SHAREDLIB) $(SHAREDLIB).1; \
fi
clean:
rm -f *.o *~ example minigzip libz.a libz.so* foo.gz so_locations \
_match.s maketree
distclean: clean
zip:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
zip -ul9 zlib$$v $(DISTFILES)
mv Makefile~ Makefile
dist:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
rm -f $$d.tar.gz; \
if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \
files=""; \
for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \
cd ..; \
GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \
if test ! -d $$d; then rm -f $$d; fi
mv Makefile~ Makefile
tags:
etags *.[ch]
depend:
makedepend -- $(CFLAGS) -- *.[ch]
# DO NOT DELETE THIS LINE -- make depend depends on it.
adler32.o: zlib.h zconf.h
compress.o: zlib.h zconf.h
crc32.o: zlib.h zconf.h
deflate.o: deflate.h zutil.h zlib.h zconf.h
example.o: zlib.h zconf.h
gzio.o: zutil.h zlib.h zconf.h
infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h
infcodes.o: zutil.h zlib.h zconf.h
infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h
inffast.o: zutil.h zlib.h zconf.h inftrees.h
inffast.o: infblock.h infcodes.h infutil.h inffast.h
inflate.o: zutil.h zlib.h zconf.h infblock.h
inftrees.o: zutil.h zlib.h zconf.h inftrees.h
infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
minigzip.o: zlib.h zconf.h
trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
uncompr.o: zlib.h zconf.h
zutil.o: zutil.h zlib.h zconf.h

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# Makefile for zlib
# Copyright (C) 1995-1998 Jean-loup Gailly.
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile and test, type:
# ./configure; make test
# The call of configure is optional if you don't have special requirements
# If you wish to build zlib as a shared library, use: ./configure -s
# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type:
# make install
# To install in $HOME instead of /usr/local, use:
# make install prefix=$HOME
CC=cc
CFLAGS=-O
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-g -DDEBUG
#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
# -Wstrict-prototypes -Wmissing-prototypes
LDFLAGS=-L. -lz
LDSHARED=$(CC)
CPP=$(CC) -E
VER=1.1.3
LIBS=libz.a
SHAREDLIB=libz.so
AR=ar rc
RANLIB=ranlib
TAR=tar
SHELL=/bin/sh
prefix = /usr/local
exec_prefix = ${prefix}
libdir = ${exec_prefix}/lib
includedir = ${prefix}/include
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
OBJA =
# to use the asm code: make OBJA=match.o
TEST_OBJS = example.o minigzip.o
DISTFILES = README FAQ INDEX ChangeLog configure Make*[a-z0-9] *.[ch] *.mms \
algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \
nt/Make*[a-z0-9] nt/zlib.dnt amiga/Make*.??? os2/M*.os2 os2/zlib.def \
contrib/RE*.contrib contrib/*.txt contrib/asm386/*.asm contrib/asm386/*.c \
contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/asm[56]86/*.?86 \
contrib/asm[56]86/*.S contrib/iostream/*.cpp \
contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \
contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 \
contrib/minizip/[CM]*[pe] contrib/minizip/*.[ch] contrib/minizip/*.[td]?? \
contrib/delphi*/*.???
all: example minigzip
test: all
@LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
echo hello world | ./minigzip | ./minigzip -d || \
echo ' *** minigzip test FAILED ***' ; \
if ./example; then \
echo ' *** zlib test OK ***'; \
else \
echo ' *** zlib test FAILED ***'; \
fi
libz.a: $(OBJS) $(OBJA)
$(AR) $@ $(OBJS) $(OBJA)
-@ ($(RANLIB) $@ || true) >/dev/null 2>&1
match.o: match.S
$(CPP) match.S > _match.s
$(CC) -c _match.s
mv _match.o match.o
rm -f _match.s
$(SHAREDLIB).$(VER): $(OBJS)
$(LDSHARED) -o $@ $(OBJS)
rm -f $(SHAREDLIB) $(SHAREDLIB).1
ln -s $@ $(SHAREDLIB)
ln -s $@ $(SHAREDLIB).1
example: example.o $(LIBS)
$(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
minigzip: minigzip.o $(LIBS)
$(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
install: $(LIBS)
-@if [ ! -d $(includedir) ]; then mkdir $(includedir); fi
-@if [ ! -d $(libdir) ]; then mkdir $(libdir); fi
cp zlib.h zconf.h $(includedir)
chmod 644 $(includedir)/zlib.h $(includedir)/zconf.h
cp $(LIBS) $(libdir)
cd $(libdir); chmod 755 $(LIBS)
-@(cd $(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
cd $(libdir); if test -f $(SHAREDLIB).$(VER); then \
rm -f $(SHAREDLIB) $(SHAREDLIB).1; \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB); \
ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB).1; \
(ldconfig || true) >/dev/null 2>&1; \
fi
# The ranlib in install is needed on NeXTSTEP which checks file times
# ldconfig is for Linux
uninstall:
cd $(includedir); \
v=$(VER); \
if test -f zlib.h; then \
v=`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`; \
rm -f zlib.h zconf.h; \
fi; \
cd $(libdir); rm -f libz.a; \
if test -f $(SHAREDLIB).$$v; then \
rm -f $(SHAREDLIB).$$v $(SHAREDLIB) $(SHAREDLIB).1; \
fi
clean:
rm -f *.o *~ example minigzip libz.a libz.so* foo.gz so_locations \
_match.s maketree
distclean: clean
zip:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
zip -ul9 zlib$$v $(DISTFILES)
mv Makefile~ Makefile
dist:
mv Makefile Makefile~; cp -p Makefile.in Makefile
rm -f test.c ztest*.c contrib/minizip/test.zip
d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\
rm -f $$d.tar.gz; \
if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \
files=""; \
for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \
cd ..; \
GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \
if test ! -d $$d; then rm -f $$d; fi
mv Makefile~ Makefile
tags:
etags *.[ch]
depend:
makedepend -- $(CFLAGS) -- *.[ch]
# DO NOT DELETE THIS LINE -- make depend depends on it.
adler32.o: zlib.h zconf.h
compress.o: zlib.h zconf.h
crc32.o: zlib.h zconf.h
deflate.o: deflate.h zutil.h zlib.h zconf.h
example.o: zlib.h zconf.h
gzio.o: zutil.h zlib.h zconf.h
infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h
infcodes.o: zutil.h zlib.h zconf.h
infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h
inffast.o: zutil.h zlib.h zconf.h inftrees.h
inffast.o: infblock.h infcodes.h infutil.h inffast.h
inflate.o: zutil.h zlib.h zconf.h infblock.h
inftrees.o: zutil.h zlib.h zconf.h inftrees.h
infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
minigzip.o: zlib.h zconf.h
trees.o: deflate.h zutil.h zlib.h zconf.h trees.h
uncompr.o: zlib.h zconf.h
zutil.o: zutil.h zlib.h zconf.h

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# Project: zlib_1_03
# Patched for zlib 1.1.2 rw@shadow.org.uk 19980430
# test works out-of-the-box, installs `somewhere' on demand
# Toolflags:
CCflags = -c -depend !Depend -IC: -g -throwback -DRISCOS -fah
C++flags = -c -depend !Depend -IC: -throwback
Linkflags = -aif -c++ -o $@
ObjAsmflags = -throwback -NoCache -depend !Depend
CMHGflags =
LibFileflags = -c -l -o $@
Squeezeflags = -o $@
# change the line below to where _you_ want the library installed.
libdest = lib:zlib
# Final targets:
@.lib: @.o.adler32 @.o.compress @.o.crc32 @.o.deflate @.o.gzio \
@.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil @.o.trees \
@.o.uncompr @.o.zutil
LibFile $(LibFileflags) @.o.adler32 @.o.compress @.o.crc32 @.o.deflate \
@.o.gzio @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil \
@.o.trees @.o.uncompr @.o.zutil
test: @.minigzip @.example @.lib
@copy @.lib @.libc A~C~DF~L~N~P~Q~RS~TV
@echo running tests: hang on.
@/@.minigzip -f -9 libc
@/@.minigzip -d libc-gz
@/@.minigzip -f -1 libc
@/@.minigzip -d libc-gz
@/@.minigzip -h -9 libc
@/@.minigzip -d libc-gz
@/@.minigzip -h -1 libc
@/@.minigzip -d libc-gz
@/@.minigzip -9 libc
@/@.minigzip -d libc-gz
@/@.minigzip -1 libc
@/@.minigzip -d libc-gz
@diff @.lib @.libc
@echo that should have reported '@.lib and @.libc identical' if you have diff.
@/@.example @.fred @.fred
@echo that will have given lots of hello!'s.
@.minigzip: @.o.minigzip @.lib C:o.Stubs
Link $(Linkflags) @.o.minigzip @.lib C:o.Stubs
@.example: @.o.example @.lib C:o.Stubs
Link $(Linkflags) @.o.example @.lib C:o.Stubs
install: @.lib
cdir $(libdest)
cdir $(libdest).h
@copy @.h.zlib $(libdest).h.zlib A~C~DF~L~N~P~Q~RS~TV
@copy @.h.zconf $(libdest).h.zconf A~C~DF~L~N~P~Q~RS~TV
@copy @.lib $(libdest).lib A~C~DF~L~N~P~Q~RS~TV
@echo okay, installed zlib in $(libdest)
clean:; remove @.minigzip
remove @.example
remove @.libc
-wipe @.o.* F~r~cV
remove @.fred
# User-editable dependencies:
.c.o:
cc $(ccflags) -o $@ $<
# Static dependencies:
# Dynamic dependencies:
o.example: c.example
o.example: h.zlib
o.example: h.zconf
o.minigzip: c.minigzip
o.minigzip: h.zlib
o.minigzip: h.zconf
o.adler32: c.adler32
o.adler32: h.zlib
o.adler32: h.zconf
o.compress: c.compress
o.compress: h.zlib
o.compress: h.zconf
o.crc32: c.crc32
o.crc32: h.zlib
o.crc32: h.zconf
o.deflate: c.deflate
o.deflate: h.deflate
o.deflate: h.zutil
o.deflate: h.zlib
o.deflate: h.zconf
o.gzio: c.gzio
o.gzio: h.zutil
o.gzio: h.zlib
o.gzio: h.zconf
o.infblock: c.infblock
o.infblock: h.zutil
o.infblock: h.zlib
o.infblock: h.zconf
o.infblock: h.infblock
o.infblock: h.inftrees
o.infblock: h.infcodes
o.infblock: h.infutil
o.infcodes: c.infcodes
o.infcodes: h.zutil
o.infcodes: h.zlib
o.infcodes: h.zconf
o.infcodes: h.inftrees
o.infcodes: h.infblock
o.infcodes: h.infcodes
o.infcodes: h.infutil
o.infcodes: h.inffast
o.inffast: c.inffast
o.inffast: h.zutil
o.inffast: h.zlib
o.inffast: h.zconf
o.inffast: h.inftrees
o.inffast: h.infblock
o.inffast: h.infcodes
o.inffast: h.infutil
o.inffast: h.inffast
o.inflate: c.inflate
o.inflate: h.zutil
o.inflate: h.zlib
o.inflate: h.zconf
o.inflate: h.infblock
o.inftrees: c.inftrees
o.inftrees: h.zutil
o.inftrees: h.zlib
o.inftrees: h.zconf
o.inftrees: h.inftrees
o.inftrees: h.inffixed
o.infutil: c.infutil
o.infutil: h.zutil
o.infutil: h.zlib
o.infutil: h.zconf
o.infutil: h.infblock
o.infutil: h.inftrees
o.infutil: h.infcodes
o.infutil: h.infutil
o.trees: c.trees
o.trees: h.deflate
o.trees: h.zutil
o.trees: h.zlib
o.trees: h.zconf
o.trees: h.trees
o.uncompr: c.uncompr
o.uncompr: h.zlib
o.uncompr: h.zconf
o.zutil: c.zutil
o.zutil: h.zutil
o.zutil: h.zlib
o.zutil: h.zconf

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zlib 1.1.3 is a general purpose data compression library. All the code
is thread safe. The data format used by the zlib library
is described by RFCs (Request for Comments) 1950 to 1952 in the files
ftp://ds.internic.net/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate
format) and rfc1952.txt (gzip format). These documents are also available in
other formats from ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html
All functions of the compression library are documented in the file zlib.h
(volunteer to write man pages welcome, contact jloup@gzip.org). A usage
example of the library is given in the file example.c which also tests that
the library is working correctly. Another example is given in the file
minigzip.c. The compression library itself is composed of all source files
except example.c and minigzip.c.
To compile all files and run the test program, follow the instructions
given at the top of Makefile. In short "make test; make install"
should work for most machines. For Unix: "configure; make test; make install"
For MSDOS, use one of the special makefiles such as Makefile.msc.
For VMS, use Make_vms.com or descrip.mms.
Questions about zlib should be sent to <zlib@quest.jpl.nasa.gov>, or to
Gilles Vollant <info@winimage.com> for the Windows DLL version.
The zlib home page is http://www.cdrom.com/pub/infozip/zlib/
The official zlib ftp site is ftp://ftp.cdrom.com/pub/infozip/zlib/
Before reporting a problem, please check those sites to verify that
you have the latest version of zlib; otherwise get the latest version and
check whether the problem still exists or not.
Mark Nelson <markn@tiny.com> wrote an article about zlib for the Jan. 1997
issue of Dr. Dobb's Journal; a copy of the article is available in
http://web2.airmail.net/markn/articles/zlibtool/zlibtool.htm
The changes made in version 1.1.3 are documented in the file ChangeLog.
The main changes since 1.1.2 are:
- fix "an inflate input buffer bug that shows up on rare but persistent
occasions" (Mark)
- fix gzread and gztell for concatenated .gz files (Didier Le Botlan)
- fix gzseek(..., SEEK_SET) in write mode
- fix crc check after a gzeek (Frank Faubert)
- fix miniunzip when the last entry in a zip file is itself a zip file
(J Lillge)
- add contrib/asm586 and contrib/asm686 (Brian Raiter)
See http://www.muppetlabs.com/~breadbox/software/assembly.html
- add support for Delphi 3 in contrib/delphi (Bob Dellaca)
- add support for C++Builder 3 and Delphi 3 in contrib/delphi2 (Davide Moretti)
- do not exit prematurely in untgz if 0 at start of block (Magnus Holmgren)
- use macro EXTERN instead of extern to support DLL for BeOS (Sander Stoks)
- added a FAQ file
plus many changes for portability.
Unsupported third party contributions are provided in directory "contrib".
A Java implementation of zlib is available in the Java Development Kit 1.1
http://www.javasoft.com/products/JDK/1.1/docs/api/Package-java.util.zip.html
See the zlib home page http://www.cdrom.com/pub/infozip/zlib/ for details.
A Perl interface to zlib written by Paul Marquess <pmarquess@bfsec.bt.co.uk>
is in the CPAN (Comprehensive Perl Archive Network) sites, such as:
ftp://ftp.cis.ufl.edu/pub/perl/CPAN/modules/by-module/Compress/Compress-Zlib*
A Python interface to zlib written by A.M. Kuchling <amk@magnet.com>
is available in Python 1.5 and later versions, see
http://www.python.org/doc/lib/module-zlib.html
A zlib binding for TCL written by Andreas Kupries <a.kupries@westend.com>
is availlable at http://www.westend.com/~kupries/doc/trf/man/man.html
An experimental package to read and write files in .zip format,
written on top of zlib by Gilles Vollant <info@winimage.com>, is
available at http://www.winimage.com/zLibDll/unzip.html
and also in the contrib/minizip directory of zlib.
Notes for some targets:
- To build a Windows DLL version, include in a DLL project zlib.def, zlib.rc
and all .c files except example.c and minigzip.c; compile with -DZLIB_DLL
The zlib DLL support was initially done by Alessandro Iacopetti and is
now maintained by Gilles Vollant <info@winimage.com>. Check the zlib DLL
home page at http://www.winimage.com/zLibDll
From Visual Basic, you can call the DLL functions which do not take
a structure as argument: compress, uncompress and all gz* functions.
See contrib/visual-basic.txt for more information, or get
http://www.tcfb.com/dowseware/cmp-z-it.zip
- For 64-bit Irix, deflate.c must be compiled without any optimization.
With -O, one libpng test fails. The test works in 32 bit mode (with
the -n32 compiler flag). The compiler bug has been reported to SGI.
- zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1
it works when compiled with cc.
- on Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1
is necessary to get gzprintf working correctly. This is done by configure.
- zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works
with other compilers. Use "make test" to check your compiler.
- gzdopen is not supported on RISCOS, BEOS and by some Mac compilers.
- For Turbo C the small model is supported only with reduced performance to
avoid any far allocation; it was tested with -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3
- For PalmOs, see http://www.cs.uit.no/~perm/PASTA/pilot/software.html
Per Harald Myrvang <perm@stud.cs.uit.no>
Acknowledgments:
The deflate format used by zlib was defined by Phil Katz. The deflate
and zlib specifications were written by L. Peter Deutsch. Thanks to all the
people who reported problems and suggested various improvements in zlib;
they are too numerous to cite here.
Copyright notice:
(C) 1995-1998 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
If you use the zlib library in a product, we would appreciate *not*
receiving lengthy legal documents to sign. The sources are provided
for free but without warranty of any kind. The library has been
entirely written by Jean-loup Gailly and Mark Adler; it does not
include third-party code.
If you redistribute modified sources, we would appreciate that you include
in the file ChangeLog history information documenting your changes.

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/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zlib.h"
#define BASE 65521L /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {s1 += buf[i]; s2 += s1;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = (adler >> 16) & 0xffff;
int k;
if (buf == Z_NULL) return 1L;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
buf += 16;
k -= 16;
}
if (k != 0) do {
s1 += *buf++;
s2 += s1;
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
return (s2 << 16) | s1;
}

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1. Compression algorithm (deflate)
The deflation algorithm used by gzip (also zip and zlib) is a variation of
LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in
the input data. The second occurrence of a string is replaced by a
pointer to the previous string, in the form of a pair (distance,
length). Distances are limited to 32K bytes, and lengths are limited
to 258 bytes. When a string does not occur anywhere in the previous
32K bytes, it is emitted as a sequence of literal bytes. (In this
description, `string' must be taken as an arbitrary sequence of bytes,
and is not restricted to printable characters.)
Literals or match lengths are compressed with one Huffman tree, and
match distances are compressed with another tree. The trees are stored
in a compact form at the start of each block. The blocks can have any
size (except that the compressed data for one block must fit in
available memory). A block is terminated when deflate() determines that
it would be useful to start another block with fresh trees. (This is
somewhat similar to the behavior of LZW-based _compress_.)
Duplicated strings are found using a hash table. All input strings of
length 3 are inserted in the hash table. A hash index is computed for
the next 3 bytes. If the hash chain for this index is not empty, all
strings in the chain are compared with the current input string, and
the longest match is selected.
The hash chains are searched starting with the most recent strings, to
favor small distances and thus take advantage of the Huffman encoding.
The hash chains are singly linked. There are no deletions from the
hash chains, the algorithm simply discards matches that are too old.
To avoid a worst-case situation, very long hash chains are arbitrarily
truncated at a certain length, determined by a runtime option (level
parameter of deflateInit). So deflate() does not always find the longest
possible match but generally finds a match which is long enough.
deflate() also defers the selection of matches with a lazy evaluation
mechanism. After a match of length N has been found, deflate() searches for
a longer match at the next input byte. If a longer match is found, the
previous match is truncated to a length of one (thus producing a single
literal byte) and the process of lazy evaluation begins again. Otherwise,
the original match is kept, and the next match search is attempted only N
steps later.
The lazy match evaluation is also subject to a runtime parameter. If
the current match is long enough, deflate() reduces the search for a longer
match, thus speeding up the whole process. If compression ratio is more
important than speed, deflate() attempts a complete second search even if
the first match is already long enough.
The lazy match evaluation is not performed for the fastest compression
modes (level parameter 1 to 3). For these fast modes, new strings
are inserted in the hash table only when no match was found, or
when the match is not too long. This degrades the compression ratio
but saves time since there are both fewer insertions and fewer searches.
2. Decompression algorithm (inflate)
2.1 Introduction
The real question is, given a Huffman tree, how to decode fast. The most
important realization is that shorter codes are much more common than
longer codes, so pay attention to decoding the short codes fast, and let
the long codes take longer to decode.
inflate() sets up a first level table that covers some number of bits of
input less than the length of longest code. It gets that many bits from the
stream, and looks it up in the table. The table will tell if the next
code is that many bits or less and how many, and if it is, it will tell
the value, else it will point to the next level table for which inflate()
grabs more bits and tries to decode a longer code.
How many bits to make the first lookup is a tradeoff between the time it
takes to decode and the time it takes to build the table. If building the
table took no time (and if you had infinite memory), then there would only
be a first level table to cover all the way to the longest code. However,
building the table ends up taking a lot longer for more bits since short
codes are replicated many times in such a table. What inflate() does is
simply to make the number of bits in the first table a variable, and set it
for the maximum speed.
inflate() sends new trees relatively often, so it is possibly set for a
smaller first level table than an application that has only one tree for
all the data. For inflate, which has 286 possible codes for the
literal/length tree, the size of the first table is nine bits. Also the
distance trees have 30 possible values, and the size of the first table is
six bits. Note that for each of those cases, the table ended up one bit
longer than the ``average'' code length, i.e. the code length of an
approximately flat code which would be a little more than eight bits for
286 symbols and a little less than five bits for 30 symbols. It would be
interesting to see if optimizing the first level table for other
applications gave values within a bit or two of the flat code size.
2.2 More details on the inflate table lookup
Ok, you want to know what this cleverly obfuscated inflate tree actually
looks like. You are correct that it's not a Huffman tree. It is simply a
lookup table for the first, let's say, nine bits of a Huffman symbol. The
symbol could be as short as one bit or as long as 15 bits. If a particular
symbol is shorter than nine bits, then that symbol's translation is duplicated
in all those entries that start with that symbol's bits. For example, if the
symbol is four bits, then it's duplicated 32 times in a nine-bit table. If a
symbol is nine bits long, it appears in the table once.
If the symbol is longer than nine bits, then that entry in the table points
to another similar table for the remaining bits. Again, there are duplicated
entries as needed. The idea is that most of the time the symbol will be short
and there will only be one table look up. (That's whole idea behind data
compression in the first place.) For the less frequent long symbols, there
will be two lookups. If you had a compression method with really long
symbols, you could have as many levels of lookups as is efficient. For
inflate, two is enough.
So a table entry either points to another table (in which case nine bits in
the above example are gobbled), or it contains the translation for the symbol
and the number of bits to gobble. Then you start again with the next
ungobbled bit.
You may wonder: why not just have one lookup table for how ever many bits the
longest symbol is? The reason is that if you do that, you end up spending
more time filling in duplicate symbol entries than you do actually decoding.
At least for deflate's output that generates new trees every several 10's of
kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code
would take too long if you're only decoding several thousand symbols. At the
other extreme, you could make a new table for every bit in the code. In fact,
that's essentially a Huffman tree. But then you spend two much time
traversing the tree while decoding, even for short symbols.
So the number of bits for the first lookup table is a trade of the time to
fill out the table vs. the time spent looking at the second level and above of
the table.
Here is an example, scaled down:
The code being decoded, with 10 symbols, from 1 to 6 bits long:
A: 0
B: 10
C: 1100
D: 11010
E: 11011
F: 11100
G: 11101
H: 11110
I: 111110
J: 111111
Let's make the first table three bits long (eight entries):
000: A,1
001: A,1
010: A,1
011: A,1
100: B,2
101: B,2
110: -> table X (gobble 3 bits)
111: -> table Y (gobble 3 bits)
Each entry is what the bits decode to and how many bits that is, i.e. how
many bits to gobble. Or the entry points to another table, with the number of
bits to gobble implicit in the size of the table.
Table X is two bits long since the longest code starting with 110 is five bits
long:
00: C,1
01: C,1
10: D,2
11: E,2
Table Y is three bits long since the longest code starting with 111 is six
bits long:
000: F,2
001: F,2
010: G,2
011: G,2
100: H,2
101: H,2
110: I,3
111: J,3
So what we have here are three tables with a total of 20 entries that had to
be constructed. That's compared to 64 entries for a single table. Or
compared to 16 entries for a Huffman tree (six two entry tables and one four
entry table). Assuming that the code ideally represents the probability of
the symbols, it takes on the average 1.25 lookups per symbol. That's compared
to one lookup for the single table, or 1.66 lookups per symbol for the
Huffman tree.
There, I think that gives you a picture of what's going on. For inflate, the
meaning of a particular symbol is often more than just a letter. It can be a
byte (a "literal"), or it can be either a length or a distance which
indicates a base value and a number of bits to fetch after the code that is
added to the base value. Or it might be the special end-of-block code. The
data structures created in inftrees.c try to encode all that information
compactly in the tables.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
References:
[LZ77] Ziv J., Lempel A., ``A Universal Algorithm for Sequential Data
Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3,
pp. 337-343.
``DEFLATE Compressed Data Format Specification'' available in
ftp://ds.internic.net/rfc/rfc1951.txt

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# Amiga powerUP (TM) Makefile
# makefile for libpng and SAS C V6.58/7.00 PPC compiler
# Copyright (C) 1998 by Andreas R. Kleinert
CC = scppc
CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL \
OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8
LIBNAME = libzip.a
AR = ppc-amigaos-ar
AR_FLAGS = cr
RANLIB = ppc-amigaos-ranlib
LDFLAGS = -r -o
LDLIBS = LIB:scppc.a
LN = ppc-amigaos-ld
RM = delete quiet
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
TEST_OBJS = example.o minigzip.o
all: example minigzip
test: all
example
echo hello world | minigzip | minigzip -d
$(LIBNAME): $(OBJS)
$(AR) $(AR_FLAGS) $@ $(OBJS)
$(RANLIB) $@
example: example.o $(LIBNAME)
$(LN) $(LDFLAGS) example LIB:c_ppc.o example.o $(LIBNAME) $(LDLIBS) LIB:end.o
minigzip: minigzip.o $(LIBNAME)
$(LN) $(LDFLAGS) minigzip LIB:c_ppc.o minigzip.o $(LIBNAME) $(LDLIBS) LIB:end.o
clean:
$(RM) *.o example minigzip $(LIBNAME) foo.gz
zip:
zip -ul9 zlib README ChangeLog Makefile Make????.??? Makefile.?? \
descrip.mms *.[ch]
tgz:
cd ..; tar cfz zlib/zlib.tgz zlib/README zlib/ChangeLog zlib/Makefile \
zlib/Make????.??? zlib/Makefile.?? zlib/descrip.mms zlib/*.[ch]
# DO NOT DELETE THIS LINE -- make depend depends on it.
adler32.o: zutil.h zlib.h zconf.h
compress.o: zlib.h zconf.h
crc32.o: zutil.h zlib.h zconf.h
deflate.o: deflate.h zutil.h zlib.h zconf.h
example.o: zlib.h zconf.h
gzio.o: zutil.h zlib.h zconf.h
infblock.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
infcodes.o: zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h
inffast.o: zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h
inflate.o: zutil.h zlib.h zconf.h infblock.h
inftrees.o: zutil.h zlib.h zconf.h inftrees.h
infutil.o: zutil.h zlib.h zconf.h inftrees.h infutil.h
minigzip.o: zlib.h zconf.h
trees.o: deflate.h zutil.h zlib.h zconf.h
uncompr.o: zlib.h zconf.h
zutil.o: zutil.h zlib.h zconf.h

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# SMakefile for zlib
# Modified from the standard UNIX Makefile Copyright Jean-loup Gailly
# Osma Ahvenlampi <Osma.Ahvenlampi@hut.fi>
# Amiga, SAS/C 6.56 & Smake
CC=sc
CFLAGS=OPT
#CFLAGS=OPT CPU=68030
#CFLAGS=DEBUG=LINE
LDFLAGS=LIB z.lib
SCOPTIONS=OPTSCHED OPTINLINE OPTALIAS OPTTIME OPTINLOCAL STRMERGE \
NOICONS PARMS=BOTH NOSTACKCHECK UTILLIB NOVERSION ERRORREXX
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
TEST_OBJS = example.o minigzip.o
all: SCOPTIONS example minigzip
test: all
`cd`/example
echo hello world | minigzip | minigzip -d
install: z.lib
copy zlib.h zconf.h INCLUDE: clone
copy z.lib LIB: clone
z.lib: $(OBJS)
oml z.lib r $(OBJS)
example: example.o z.lib
$(CC) $(CFLAGS) LINK TO $@ example.o $(LDFLAGS)
minigzip: minigzip.o z.lib
$(CC) $(CFLAGS) LINK TO $@ minigzip.o $(LDFLAGS)
clean:
-delete force quiet *.o example minigzip z.lib foo.gz *.lnk SCOPTIONS
SCOPTIONS: Smakefile
copy to $@ <from <
$(SCOPTIONS)
<
# DO NOT DELETE THIS LINE -- make depend depends on it.
adler32.o: zutil.h zlib.h zconf.h
compress.o: zlib.h zconf.h
crc32.o: zutil.h zlib.h zconf.h
deflate.o: deflate.h zutil.h zlib.h zconf.h
example.o: zlib.h zconf.h
gzio.o: zutil.h zlib.h zconf.h
infblock.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
infcodes.o: zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h
inffast.o: zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h
inflate.o: zutil.h zlib.h zconf.h infblock.h
inftrees.o: zutil.h zlib.h zconf.h inftrees.h
infutil.o: zutil.h zlib.h zconf.h inftrees.h infutil.h
minigzip.o: zlib.h zconf.h
trees.o: deflate.h zutil.h zlib.h zconf.h
uncompr.o: zlib.h zconf.h
zutil.o: zutil.h zlib.h zconf.h

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/* compress.c -- compress a memory buffer
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zlib.h"
/* ===========================================================================
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream;
int err;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
#ifdef MAXSEG_64K
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
#endif
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
err = deflateInit(&stream, level);
if (err != Z_OK) return err;
err = deflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
deflateEnd(&stream);
return err == Z_OK ? Z_BUF_ERROR : err;
}
*destLen = stream.total_out;
err = deflateEnd(&stream);
return err;
}
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
}

212
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#!/bin/sh
# configure script for zlib. This script is needed only if
# you wish to build a shared library and your system supports them,
# of if you need special compiler, flags or install directory.
# Otherwise, you can just use directly "make test; make install"
#
# To create a shared library, use "configure --shared"; by default a static
# library is created. If the primitive shared library support provided here
# does not work, use ftp://prep.ai.mit.edu/pub/gnu/libtool-*.tar.gz
#
# To impose specific compiler or flags or install directory, use for example:
# prefix=$HOME CC=cc CFLAGS="-O4" ./configure
# or for csh/tcsh users:
# (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure)
# LDSHARED is the command to be used to create a shared library
# Incorrect settings of CC or CFLAGS may prevent creating a shared library.
# If you have problems, try without defining CC and CFLAGS before reporting
# an error.
LIBS=libz.a
SHAREDLIB=libz.so
VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`
AR=${AR-"ar rc"}
RANLIB=${RANLIB-"ranlib"}
prefix=${prefix-/usr/local}
exec_prefix=${exec_prefix-'${prefix}'}
libdir=${libdir-'${exec_prefix}/lib'}
includedir=${includedir-'${prefix}/include'}
shared_ext='.so'
shared=0
gcc=0
old_cc="$CC"
old_cflags="$CFLAGS"
while test $# -ge 1
do
case "$1" in
-h* | --h*)
echo 'usage:'
echo ' configure [--shared] [--prefix=PREFIX] [--exec_prefix=EXPREFIX]'
echo ' [--libdir=LIBDIR] [--includedir=INCLUDEDIR]'
exit 0;;
-p*=* | --p*=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
-e*=* | --e*=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
-l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift;;
-i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift;;
-p* | --p*) prefix="$2"; shift; shift;;
-e* | --e*) exec_prefix="$2"; shift; shift;;
-l* | --l*) libdir="$2"; shift; shift;;
-i* | --i*) includedir="$2"; shift; shift;;
-s* | --s*) shared=1; shift;;
esac
done
test=ztest$$
cat > $test.c <<EOF
extern int getchar();
int hello() {return getchar();}
EOF
test -z "$CC" && echo Checking for gcc...
cc=${CC-gcc}
cflags=${CFLAGS-"-O3"}
# to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
case "$cc" in
*gcc*) gcc=1;;
esac
if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then
CC="$cc"
SFLAGS=${CFLAGS-"-fPIC -O3"}
CFLAGS="$cflags"
case `(uname -s || echo unknown) 2>/dev/null` in
Linux | linux) LDSHARED=${LDSHARED-"gcc -shared -Wl,-soname,libz.so.1"};;
*) LDSHARED=${LDSHARED-"gcc -shared"};;
esac
else
# find system name and corresponding cc options
CC=${CC-cc}
case `(uname -sr || echo unknown) 2>/dev/null` in
HP-UX*) SFLAGS=${CFLAGS-"-O +z"}
CFLAGS=${CFLAGS-"-O"}
# LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"}
LDSHARED=${LDSHARED-"ld -b"}
shared_ext='.sl'
SHAREDLIB='libz.sl';;
IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."}
CFLAGS=${CFLAGS-"-ansi -O2"}
LDSHARED=${LDSHARED-"cc -shared"};;
OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"}
CFLAGS=${CFLAGS-"-O -std1"}
LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,$SHAREDLIB -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"};;
OSF1*) SFLAGS=${CFLAGS-"-O -std1"}
CFLAGS=${CFLAGS-"-O -std1"}
LDSHARED=${LDSHARED-"cc -shared"};;
QNX*) SFLAGS=${CFLAGS-"-4 -O"}
CFLAGS=${CFLAGS-"-4 -O"}
LDSHARED=${LDSHARED-"cc"}
RANLIB=${RANLIB-"true"}
AR="cc -A";;
SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "}
CFLAGS=${CFLAGS-"-O3"}
LDSHARED=${LDSHARED-"cc -dy -KPIC -G"};;
SunOS\ 5*) SFLAGS=${CFLAGS-"-fast -xcg89 -KPIC -R."}
CFLAGS=${CFLAGS-"-fast -xcg89"}
LDSHARED=${LDSHARED-"cc -G"};;
SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"}
CFLAGS=${CFLAGS-"-O2"}
LDSHARED=${LDSHARED-"ld"};;
UNIX_System_V\ 4.2.0)
SFLAGS=${CFLAGS-"-KPIC -O"}
CFLAGS=${CFLAGS-"-O"}
LDSHARED=${LDSHARED-"cc -G"};;
UNIX_SV\ 4.2MP)
SFLAGS=${CFLAGS-"-Kconform_pic -O"}
CFLAGS=${CFLAGS-"-O"}
LDSHARED=${LDSHARED-"cc -G"};;
# send working options for other systems to support@gzip.org
*) SFLAGS=${CFLAGS-"-O"}
CFLAGS=${CFLAGS-"-O"}
LDSHARED=${LDSHARED-"cc -shared"};;
esac
fi
if test $shared -eq 1; then
echo Checking for shared library support...
# we must test in two steps (cc then ld), required at least on SunOS 4.x
if test "`($CC -c $SFLAGS $test.c) 2>&1`" = "" &&
test "`($LDSHARED -o $test$shared_ext $test.o) 2>&1`" = ""; then
CFLAGS="$SFLAGS"
LIBS="$SHAREDLIB.$VER"
echo Building shared library $SHAREDLIB.$VER with $CC.
elif test -z "$old_cc" -a -z "$old_cflags"; then
echo No shared library suppport.
shared=0;
else
echo 'No shared library suppport; try without defining CC and CFLAGS'
shared=0;
fi
fi
if test $shared -eq 0; then
LDSHARED="$CC"
echo Building static library $LIBS version $VER with $CC.
fi
cat > $test.c <<EOF
#include <unistd.h>
int main() { return 0; }
EOF
if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
CFLAGS="$CFLAGS -DHAVE_UNISTD_H"
echo "Checking for unistd.h... Yes."
else
echo "Checking for unistd.h... No."
fi
cat > $test.c <<EOF
#include <errno.h>
int main() { return 0; }
EOF
if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
echo "Checking for errno.h... Yes."
else
echo "Checking for errno.h... No."
CFLAGS="$CFLAGS -DNO_ERRNO_H"
fi
cat > $test.c <<EOF
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
caddr_t hello() {
return mmap((caddr_t)0, (off_t)0, PROT_READ, MAP_SHARED, 0, (off_t)0);
}
EOF
if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
CFLAGS="$CFLAGS -DUSE_MMAP"
echo Checking for mmap support... Yes.
else
echo Checking for mmap support... No.
fi
CPP=${CPP-"$CC -E"}
case $CFLAGS in
*ASMV*)
if test "`nm $test.o | grep _hello`" = ""; then
CPP="$CPP -DNO_UNDERLINE"
echo Checking for underline in external names... No.
else
echo Checking for underline in external names... Yes.
fi;;
esac
rm -f $test.[co] $test$shared_ext
# udpate Makefile
sed < Makefile.in "
/^CC *=/s%=.*%=$CC%
/^CFLAGS *=/s%=.*%=$CFLAGS%
/^CPP *=/s%=.*%=$CPP%
/^LDSHARED *=/s%=.*%=$LDSHARED%
/^LIBS *=/s%=.*%=$LIBS%
/^SHAREDLIB *=/s%=.*%=$SHAREDLIB%
/^AR *=/s%=.*%=$AR%
/^RANLIB *=/s%=.*%=$RANLIB%
/^VER *=/s%=.*%=$VER%
/^prefix *=/s%=.*%=$prefix%
/^exec_prefix *=/s%=.*%=$exec_prefix%
/^libdir *=/s%=.*%=$libdir%
/^includedir *=/s%=.*%=$includedir%
" > Makefile

34
src/Kyoto/zlib/contrib/README.contrib Normal file
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All files under this contrib directory are UNSUPPORTED. There were
provided by users of zlib and were not tested by the authors of zlib.
Use at your own risk. Please contact the authors of the contributions
for help about these, not the zlib authors. Thanks.
asm386/ by Gilles Vollant <info@winimage.com>
386 asm code replacing longest_match(), for Visual C++ 4.2 and ML 6.11c
asm586/ and asm686/ by Brian Raiter <breadbox@muppetlabs.com>
asm code for Pentium and Pentium Pro
See http://www.muppetlabs.com/~breadbox/software/assembly.html
delphi/ by Bob Dellaca <bobdl@xtra.co.nz>
Support for Delphi
delphi2/ by Davide Moretti <dave@rimini.com>
Another support for C++Builder and Delphi
minizip/ by Gilles Vollant <info@winimage.com>
Mini zip and unzip based on zlib
See http://www.winimage.com/zLibDll/unzip.html
iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
A C++ I/O streams interface to the zlib gz* functions
iostream2/ by Tyge Løvset <Tyge.Lovset@cmr.no>
Another C++ I/O streams interface
untgz/ by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
A very simple tar.gz file extractor using zlib
visual-basic.txt by Carlos Rios <c_rios@sonda.cl>
How to use compress(), uncompress() and the gz* functions from VB.

559
src/Kyoto/zlib/contrib/asm386/gvmat32.asm Normal file
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;
; gvmat32.asm -- Asm portion of the optimized longest_match for 32 bits x86
; Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
; File written by Gilles Vollant, by modifiying the longest_match
; from Jean-loup Gailly in deflate.c
; It need wmask == 0x7fff
; (assembly code is faster with a fixed wmask)
;
; For Visual C++ 4.2 and ML 6.11c (version in directory \MASM611C of Win95 DDK)
; I compile with : "ml /coff /Zi /c gvmat32.asm"
;
;uInt longest_match_7fff(s, cur_match)
; deflate_state *s;
; IPos cur_match; /* current match */
NbStack equ 76
cur_match equ dword ptr[esp+NbStack-0]
str_s equ dword ptr[esp+NbStack-4]
; 5 dword on top (ret,ebp,esi,edi,ebx)
adrret equ dword ptr[esp+NbStack-8]
pushebp equ dword ptr[esp+NbStack-12]
pushedi equ dword ptr[esp+NbStack-16]
pushesi equ dword ptr[esp+NbStack-20]
pushebx equ dword ptr[esp+NbStack-24]
chain_length equ dword ptr [esp+NbStack-28]
limit equ dword ptr [esp+NbStack-32]
best_len equ dword ptr [esp+NbStack-36]
window equ dword ptr [esp+NbStack-40]
prev equ dword ptr [esp+NbStack-44]
scan_start equ word ptr [esp+NbStack-48]
wmask equ dword ptr [esp+NbStack-52]
match_start_ptr equ dword ptr [esp+NbStack-56]
nice_match equ dword ptr [esp+NbStack-60]
scan equ dword ptr [esp+NbStack-64]
windowlen equ dword ptr [esp+NbStack-68]
match_start equ dword ptr [esp+NbStack-72]
strend equ dword ptr [esp+NbStack-76]
NbStackAdd equ (NbStack-24)
.386p
name gvmatch
.MODEL FLAT
; all the +4 offsets are due to the addition of pending_buf_size (in zlib
; in the deflate_state structure since the asm code was first written
; (if you compile with zlib 1.0.4 or older, remove the +4).
; Note : these value are good with a 8 bytes boundary pack structure
dep_chain_length equ 70h+4
dep_window equ 2ch+4
dep_strstart equ 60h+4
dep_prev_length equ 6ch+4
dep_nice_match equ 84h+4
dep_w_size equ 20h+4
dep_prev equ 34h+4
dep_w_mask equ 28h+4
dep_good_match equ 80h+4
dep_match_start equ 64h+4
dep_lookahead equ 68h+4
_TEXT segment
IFDEF NOUNDERLINE
public longest_match_7fff
; public match_init
ELSE
public _longest_match_7fff
; public _match_init
ENDIF
MAX_MATCH equ 258
MIN_MATCH equ 3
MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1)
IFDEF NOUNDERLINE
;match_init proc near
; ret
;match_init endp
ELSE
;_match_init proc near
; ret
;_match_init endp
ENDIF
IFDEF NOUNDERLINE
longest_match_7fff proc near
ELSE
_longest_match_7fff proc near
ENDIF
mov edx,[esp+4]
push ebp
push edi
push esi
push ebx
sub esp,NbStackAdd
; initialize or check the variables used in match.asm.
mov ebp,edx
; chain_length = s->max_chain_length
; if (prev_length>=good_match) chain_length >>= 2
mov edx,[ebp+dep_chain_length]
mov ebx,[ebp+dep_prev_length]
cmp [ebp+dep_good_match],ebx
ja noshr
shr edx,2
noshr:
; we increment chain_length because in the asm, the --chain_lenght is in the beginning of the loop
inc edx
mov edi,[ebp+dep_nice_match]
mov chain_length,edx
mov eax,[ebp+dep_lookahead]
cmp eax,edi
; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
jae nolookaheadnicematch
mov edi,eax
nolookaheadnicematch:
; best_len = s->prev_length
mov best_len,ebx
; window = s->window
mov esi,[ebp+dep_window]
mov ecx,[ebp+dep_strstart]
mov window,esi
mov nice_match,edi
; scan = window + strstart
add esi,ecx
mov scan,esi
; dx = *window
mov dx,word ptr [esi]
; bx = *(window+best_len-1)
mov bx,word ptr [esi+ebx-1]
add esi,MAX_MATCH-1
; scan_start = *scan
mov scan_start,dx
; strend = scan + MAX_MATCH-1
mov strend,esi
; bx = scan_end = *(window+best_len-1)
; IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
; s->strstart - (IPos)MAX_DIST(s) : NIL;
mov esi,[ebp+dep_w_size]
sub esi,MIN_LOOKAHEAD
; here esi = MAX_DIST(s)
sub ecx,esi
ja nodist
xor ecx,ecx
nodist:
mov limit,ecx
; prev = s->prev
mov edx,[ebp+dep_prev]
mov prev,edx
;
mov edx,dword ptr [ebp+dep_match_start]
mov bp,scan_start
mov eax,cur_match
mov match_start,edx
mov edx,window
mov edi,edx
add edi,best_len
mov esi,prev
dec edi
; windowlen = window + best_len -1
mov windowlen,edi
jmp beginloop2
align 4
; here, in the loop
; eax = ax = cur_match
; ecx = limit
; bx = scan_end
; bp = scan_start
; edi = windowlen (window + best_len -1)
; esi = prev
;// here; chain_length <=16
normalbeg0add16:
add chain_length,16
jz exitloop
normalbeg0:
cmp word ptr[edi+eax],bx
je normalbeg2noroll
rcontlabnoroll:
; cur_match = prev[cur_match & wmask]
and eax,7fffh
mov ax,word ptr[esi+eax*2]
; if cur_match > limit, go to exitloop
cmp ecx,eax
jnb exitloop
; if --chain_length != 0, go to exitloop
dec chain_length
jnz normalbeg0
jmp exitloop
normalbeg2noroll:
; if (scan_start==*(cur_match+window)) goto normalbeg2
cmp bp,word ptr[edx+eax]
jne rcontlabnoroll
jmp normalbeg2
contloop3:
mov edi,windowlen
; cur_match = prev[cur_match & wmask]
and eax,7fffh
mov ax,word ptr[esi+eax*2]
; if cur_match > limit, go to exitloop
cmp ecx,eax
jnbexitloopshort1:
jnb exitloop
; if --chain_length != 0, go to exitloop
; begin the main loop
beginloop2:
sub chain_length,16+1
; if chain_length <=16, don't use the unrolled loop
jna normalbeg0add16
do16:
cmp word ptr[edi+eax],bx
je normalbeg2dc0
maccn MACRO lab
and eax,7fffh
mov ax,word ptr[esi+eax*2]
cmp ecx,eax
jnb exitloop
cmp word ptr[edi+eax],bx
je lab
ENDM
rcontloop0:
maccn normalbeg2dc1
rcontloop1:
maccn normalbeg2dc2
rcontloop2:
maccn normalbeg2dc3
rcontloop3:
maccn normalbeg2dc4
rcontloop4:
maccn normalbeg2dc5
rcontloop5:
maccn normalbeg2dc6
rcontloop6:
maccn normalbeg2dc7
rcontloop7:
maccn normalbeg2dc8
rcontloop8:
maccn normalbeg2dc9
rcontloop9:
maccn normalbeg2dc10
rcontloop10:
maccn short normalbeg2dc11
rcontloop11:
maccn short normalbeg2dc12
rcontloop12:
maccn short normalbeg2dc13
rcontloop13:
maccn short normalbeg2dc14
rcontloop14:
maccn short normalbeg2dc15
rcontloop15:
and eax,7fffh
mov ax,word ptr[esi+eax*2]
cmp ecx,eax
jnb exitloop
sub chain_length,16
ja do16
jmp normalbeg0add16
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
normbeg MACRO rcontlab,valsub
; if we are here, we know that *(match+best_len-1) == scan_end
cmp bp,word ptr[edx+eax]
; if (match != scan_start) goto rcontlab
jne rcontlab
; calculate the good chain_length, and we'll compare scan and match string
add chain_length,16-valsub
jmp iseq
ENDM
normalbeg2dc11:
normbeg rcontloop11,11
normalbeg2dc12:
normbeg short rcontloop12,12
normalbeg2dc13:
normbeg short rcontloop13,13
normalbeg2dc14:
normbeg short rcontloop14,14
normalbeg2dc15:
normbeg short rcontloop15,15
normalbeg2dc10:
normbeg rcontloop10,10
normalbeg2dc9:
normbeg rcontloop9,9
normalbeg2dc8:
normbeg rcontloop8,8
normalbeg2dc7:
normbeg rcontloop7,7
normalbeg2dc6:
normbeg rcontloop6,6
normalbeg2dc5:
normbeg rcontloop5,5
normalbeg2dc4:
normbeg rcontloop4,4
normalbeg2dc3:
normbeg rcontloop3,3
normalbeg2dc2:
normbeg rcontloop2,2
normalbeg2dc1:
normbeg rcontloop1,1
normalbeg2dc0:
normbeg rcontloop0,0
; we go in normalbeg2 because *(ushf*)(match+best_len-1) == scan_end
normalbeg2:
mov edi,window
cmp bp,word ptr[edi+eax]
jne contloop3 ; if *(ushf*)match != scan_start, continue
iseq:
; if we are here, we know that *(match+best_len-1) == scan_end
; and (match == scan_start)
mov edi,edx
mov esi,scan ; esi = scan
add edi,eax ; edi = window + cur_match = match
mov edx,[esi+3] ; compare manually dword at match+3
xor edx,[edi+3] ; and scan +3
jz begincompare ; if equal, go to long compare
; we will determine the unmatch byte and calculate len (in esi)
or dl,dl
je eq1rr
mov esi,3
jmp trfinval
eq1rr:
or dx,dx
je eq1
mov esi,4
jmp trfinval
eq1:
and edx,0ffffffh
jz eq11
mov esi,5
jmp trfinval
eq11:
mov esi,6
jmp trfinval
begincompare:
; here we now scan and match begin same
add edi,6
add esi,6
mov ecx,(MAX_MATCH-(2+4))/4 ; scan for at most MAX_MATCH bytes
repe cmpsd ; loop until mismatch
je trfin ; go to trfin if not unmatch
; we determine the unmatch byte
sub esi,4
mov edx,[edi-4]
xor edx,[esi]
or dl,dl
jnz trfin
inc esi
or dx,dx
jnz trfin
inc esi
and edx,0ffffffh
jnz trfin
inc esi
trfin:
sub esi,scan ; esi = len
trfinval:
; here we have finised compare, and esi contain len of equal string
cmp esi,best_len ; if len > best_len, go newbestlen
ja short newbestlen
; now we restore edx, ecx and esi, for the big loop
mov esi,prev
mov ecx,limit
mov edx,window
jmp contloop3
newbestlen:
mov best_len,esi ; len become best_len
mov match_start,eax ; save new position as match_start
cmp esi,nice_match ; if best_len >= nice_match, exit
jae exitloop
mov ecx,scan
mov edx,window ; restore edx=window
add ecx,esi
add esi,edx
dec esi
mov windowlen,esi ; windowlen = window + best_len-1
mov bx,[ecx-1] ; bx = *(scan+best_len-1) = scan_end
; now we restore ecx and esi, for the big loop :
mov esi,prev
mov ecx,limit
jmp contloop3
exitloop:
; exit : s->match_start=match_start
mov ebx,match_start
mov ebp,str_s
mov ecx,best_len
mov dword ptr [ebp+dep_match_start],ebx
mov eax,dword ptr [ebp+dep_lookahead]
cmp ecx,eax
ja minexlo
mov eax,ecx
minexlo:
; return min(best_len,s->lookahead)
; restore stack and register ebx,esi,edi,ebp
add esp,NbStackAdd
pop ebx
pop esi
pop edi
pop ebp
ret
InfoAuthor:
; please don't remove this string !
; Your are free use gvmat32 in any fre or commercial apps if you don't remove the string in the binary!
db 0dh,0ah,"GVMat32 optimised assembly code written 1996-98 by Gilles Vollant",0dh,0ah
IFDEF NOUNDERLINE
longest_match_7fff endp
ELSE
_longest_match_7fff endp
ENDIF
IFDEF NOUNDERLINE
cpudetect32 proc near
ELSE
_cpudetect32 proc near
ENDIF
pushfd ; push original EFLAGS
pop eax ; get original EFLAGS
mov ecx, eax ; save original EFLAGS
xor eax, 40000h ; flip AC bit in EFLAGS
push eax ; save new EFLAGS value on stack
popfd ; replace current EFLAGS value
pushfd ; get new EFLAGS
pop eax ; store new EFLAGS in EAX
xor eax, ecx ; can’t toggle AC bit, processor=80386
jz end_cpu_is_386 ; jump if 80386 processor
push ecx
popfd ; restore AC bit in EFLAGS first
pushfd
pushfd
pop ecx
mov eax, ecx ; get original EFLAGS
xor eax, 200000h ; flip ID bit in EFLAGS
push eax ; save new EFLAGS value on stack
popfd ; replace current EFLAGS value
pushfd ; get new EFLAGS
pop eax ; store new EFLAGS in EAX
popfd ; restore original EFLAGS
xor eax, ecx ; can’t toggle ID bit,
je is_old_486 ; processor=old
mov eax,1
db 0fh,0a2h ;CPUID
exitcpudetect:
ret
end_cpu_is_386:
mov eax,0300h
jmp exitcpudetect
is_old_486:
mov eax,0400h
jmp exitcpudetect
IFDEF NOUNDERLINE
cpudetect32 endp
ELSE
_cpudetect32 endp
ENDIF
_TEXT ends
end

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/* gvmat32.c -- C portion of the optimized longest_match for 32 bits x86
* Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
* File written by Gilles Vollant, by modifiying the longest_match
* from Jean-loup Gailly in deflate.c
* it prepare all parameters and call the assembly longest_match_gvasm
* longest_match execute standard C code is wmask != 0x7fff
* (assembly code is faster with a fixed wmask)
*
*/
#include "deflate.h"
#undef FAR
#include <windows.h>
#ifdef ASMV
#define NIL 0
#define UNALIGNED_OK
/* if your C compiler don't add underline before function name,
define ADD_UNDERLINE_ASMFUNC */
#ifdef ADD_UNDERLINE_ASMFUNC
#define longest_match_7fff _longest_match_7fff
#endif
void match_init()
{
}
unsigned long cpudetect32();
uInt longest_match_c(
deflate_state *s,
IPos cur_match); /* current match */
uInt longest_match_7fff(
deflate_state *s,
IPos cur_match); /* current match */
uInt longest_match(
deflate_state *s,
IPos cur_match) /* current match */
{
static uInt iIsPPro=2;
if ((s->w_mask == 0x7fff) && (iIsPPro==0))
return longest_match_7fff(s,cur_match);
if (iIsPPro==2)
iIsPPro = (((cpudetect32()/0x100)&0xf)>=6) ? 1 : 0;
return longest_match_c(s,cur_match);
}
uInt longest_match_c(s, cur_match)
deflate_state *s;
IPos cur_match; /* current match */
{
unsigned chain_length = s->max_chain_length;/* max hash chain length */
register Bytef *scan = s->window + s->strstart; /* current string */
register Bytef *match; /* matched string */
register int len; /* length of current match */
int best_len = s->prev_length; /* best match length so far */
int nice_match = s->nice_match; /* stop if match long enough */
IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
s->strstart - (IPos)MAX_DIST(s) : NIL;
/* Stop when cur_match becomes <= limit. To simplify the code,
* we prevent matches with the string of window index 0.
*/
Posf *prev = s->prev;
uInt wmask = s->w_mask;
#ifdef UNALIGNED_OK
/* Compare two bytes at a time. Note: this is not always beneficial.
* Try with and without -DUNALIGNED_OK to check.
*/
register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1;
register ush scan_start = *(ushf*)scan;
register ush scan_end = *(ushf*)(scan+best_len-1);
#else
register Bytef *strend = s->window + s->strstart + MAX_MATCH;
register Byte scan_end1 = scan[best_len-1];
register Byte scan_end = scan[best_len];
#endif
/* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
* It is easy to get rid of this optimization if necessary.
*/
Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
/* Do not waste too much time if we already have a good match: */
if (s->prev_length >= s->good_match) {
chain_length >>= 2;
}
/* Do not look for matches beyond the end of the input. This is necessary
* to make deflate deterministic.
*/
if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
do {
Assert(cur_match < s->strstart, "no future");
match = s->window + cur_match;
/* Skip to next match if the match length cannot increase
* or if the match length is less than 2:
*/
#if (defined(UNALIGNED_OK) && MAX_MATCH == 258)
/* This code assumes sizeof(unsigned short) == 2. Do not use
* UNALIGNED_OK if your compiler uses a different size.
*/
if (*(ushf*)(match+best_len-1) != scan_end ||
*(ushf*)match != scan_start) continue;
/* It is not necessary to compare scan[2] and match[2] since they are
* always equal when the other bytes match, given that the hash keys
* are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at
* strstart+3, +5, ... up to strstart+257. We check for insufficient
* lookahead only every 4th comparison; the 128th check will be made
* at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is
* necessary to put more guard bytes at the end of the window, or
* to check more often for insufficient lookahead.
*/
Assert(scan[2] == match[2], "scan[2]?");
scan++, match++;
do {
} while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
scan < strend);
/* The funny "do {}" generates better code on most compilers */
/* Here, scan <= window+strstart+257 */
Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
if (*scan == *match) scan++;
len = (MAX_MATCH - 1) - (int)(strend-scan);
scan = strend - (MAX_MATCH-1);
#else /* UNALIGNED_OK */
if (match[best_len] != scan_end ||
match[best_len-1] != scan_end1 ||
*match != *scan ||
*++match != scan[1]) continue;
/* The check at best_len-1 can be removed because it will be made
* again later. (This heuristic is not always a win.)
* It is not necessary to compare scan[2] and match[2] since they
* are always equal when the other bytes match, given that
* the hash keys are equal and that HASH_BITS >= 8.
*/
scan += 2, match++;
Assert(*scan == *match, "match[2]?");
/* We check for insufficient lookahead only every 8th comparison;
* the 256th check will be made at strstart+258.
*/
do {
} while (*++scan == *++match && *++scan == *++match &&
*++scan == *++match && *++scan == *++match &&
*++scan == *++match && *++scan == *++match &&
*++scan == *++match && *++scan == *++match &&
scan < strend);
Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
len = MAX_MATCH - (int)(strend - scan);
scan = strend - MAX_MATCH;
#endif /* UNALIGNED_OK */
if (len > best_len) {
s->match_start = cur_match;
best_len = len;
if (len >= nice_match) break;
#ifdef UNALIGNED_OK
scan_end = *(ushf*)(scan+best_len-1);
#else
scan_end1 = scan[best_len-1];
scan_end = scan[best_len];
#endif
}
} while ((cur_match = prev[cur_match & wmask]) > limit
&& --chain_length != 0);
if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
return s->lookahead;
}
#endif /* ASMV */

74
src/Kyoto/zlib/contrib/asm386/zlibvc.def Normal file
View File

@ -0,0 +1,74 @@
LIBRARY "zlib"
DESCRIPTION '"""zlib data compression library"""'
VERSION 1.11
HEAPSIZE 1048576,8192
EXPORTS
adler32 @1
compress @2
crc32 @3
deflate @4
deflateCopy @5
deflateEnd @6
deflateInit2_ @7
deflateInit_ @8
deflateParams @9
deflateReset @10
deflateSetDictionary @11
gzclose @12
gzdopen @13
gzerror @14
gzflush @15
gzopen @16
gzread @17
gzwrite @18
inflate @19
inflateEnd @20
inflateInit2_ @21
inflateInit_ @22
inflateReset @23
inflateSetDictionary @24
inflateSync @25
uncompress @26
zlibVersion @27
gzprintf @28
gzputc @29
gzgetc @30
gzseek @31
gzrewind @32
gztell @33
gzeof @34
gzsetparams @35
zError @36
inflateSyncPoint @37
get_crc_table @38
compress2 @39
gzputs @40
gzgets @41
unzOpen @61
unzClose @62
unzGetGlobalInfo @63
unzGetCurrentFileInfo @64
unzGoToFirstFile @65
unzGoToNextFile @66
unzOpenCurrentFile @67
unzReadCurrentFile @68
unztell @70
unzeof @71
unzCloseCurrentFile @72
unzGetGlobalComment @73
unzStringFileNameCompare @74
unzLocateFile @75
unzGetLocalExtrafield @76
zipOpen @80
zipOpenNewFileInZip @81
zipWriteInFileInZip @82
zipCloseFileInZip @83
zipClose @84

651
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43
src/Kyoto/zlib/contrib/asm586/README.586 Normal file
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@ -0,0 +1,43 @@
This is a patched version of zlib modified to use
Pentium-optimized assembly code in the deflation algorithm. The files
changed/added by this patch are:
README.586
match.S
The effectiveness of these modifications is a bit marginal, as the the
program's bottleneck seems to be mostly L1-cache contention, for which
there is no real way to work around without rewriting the basic
algorithm. The speedup on average is around 5-10% (which is generally
less than the amount of variance between subsequent executions).
However, when used at level 9 compression, the cache contention can
drop enough for the assembly version to achieve 10-20% speedup (and
sometimes more, depending on the amount of overall redundancy in the
files). Even here, though, cache contention can still be the limiting
factor, depending on the nature of the program using the zlib library.
This may also mean that better improvements will be seen on a Pentium
with MMX, which suffers much less from L1-cache contention, but I have
not yet verified this.
Note that this code has been tailored for the Pentium in particular,
and will not perform well on the Pentium Pro (due to the use of a
partial register in the inner loop).
If you are using an assembler other than GNU as, you will have to
translate match.S to use your assembler's syntax. (Have fun.)
Brian Raiter
breadbox@muppetlabs.com
April, 1998
Added for zlib 1.1.3:
The patches come from
http://www.muppetlabs.com/~breadbox/software/assembly.html
To compile zlib with this asm file, copy match.S to the zlib directory
then do:
CFLAGS="-O3 -DASMV" ./configure
make OBJA=match.o

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/* match.s -- Pentium-optimized version of longest_match()
* Written for zlib 1.1.2
* Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License.
*/
#ifndef NO_UNDERLINE
#define match_init _match_init
#define longest_match _longest_match
#endif
#define MAX_MATCH (258)
#define MIN_MATCH (3)
#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1)
#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7)
/* stack frame offsets */
#define wmask 0 /* local copy of s->wmask */
#define window 4 /* local copy of s->window */
#define windowbestlen 8 /* s->window + bestlen */
#define chainlenscanend 12 /* high word: current chain len */
/* low word: last bytes sought */
#define scanstart 16 /* first two bytes of string */
#define scanalign 20 /* dword-misalignment of string */
#define nicematch 24 /* a good enough match size */
#define bestlen 28 /* size of best match so far */
#define scan 32 /* ptr to string wanting match */
#define LocalVarsSize (36)
/* saved ebx 36 */
/* saved edi 40 */
/* saved esi 44 */
/* saved ebp 48 */
/* return address 52 */
#define deflatestate 56 /* the function arguments */
#define curmatch 60
/* Offsets for fields in the deflate_state structure. These numbers
* are calculated from the definition of deflate_state, with the
* assumption that the compiler will dword-align the fields. (Thus,
* changing the definition of deflate_state could easily cause this
* program to crash horribly, without so much as a warning at
* compile time. Sigh.)
*/
#define dsWSize 36
#define dsWMask 44
#define dsWindow 48
#define dsPrev 56
#define dsMatchLen 88
#define dsPrevMatch 92
#define dsStrStart 100
#define dsMatchStart 104
#define dsLookahead 108
#define dsPrevLen 112
#define dsMaxChainLen 116
#define dsGoodMatch 132
#define dsNiceMatch 136
.file "match.S"
.globl match_init, longest_match
.text
/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
longest_match:
/* Save registers that the compiler may be using, and adjust %esp to */
/* make room for our stack frame. */
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
subl $LocalVarsSize, %esp
/* Retrieve the function arguments. %ecx will hold cur_match */
/* throughout the entire function. %edx will hold the pointer to the */
/* deflate_state structure during the function's setup (before */
/* entering the main loop). */
movl deflatestate(%esp), %edx
movl curmatch(%esp), %ecx
/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */
movl dsNiceMatch(%edx), %eax
movl dsLookahead(%edx), %ebx
cmpl %eax, %ebx
jl LookaheadLess
movl %eax, %ebx
LookaheadLess: movl %ebx, nicematch(%esp)
/* register Bytef *scan = s->window + s->strstart; */
movl dsWindow(%edx), %esi
movl %esi, window(%esp)
movl dsStrStart(%edx), %ebp
lea (%esi,%ebp), %edi
movl %edi, scan(%esp)
/* Determine how many bytes the scan ptr is off from being */
/* dword-aligned. */
movl %edi, %eax
negl %eax
andl $3, %eax
movl %eax, scanalign(%esp)
/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
movl dsWSize(%edx), %eax
subl $MIN_LOOKAHEAD, %eax
subl %eax, %ebp
jg LimitPositive
xorl %ebp, %ebp
LimitPositive:
/* unsigned chain_length = s->max_chain_length; */
/* if (s->prev_length >= s->good_match) { */
/* chain_length >>= 2; */
/* } */
movl dsPrevLen(%edx), %eax
movl dsGoodMatch(%edx), %ebx
cmpl %ebx, %eax
movl dsMaxChainLen(%edx), %ebx
jl LastMatchGood
shrl $2, %ebx
LastMatchGood:
/* chainlen is decremented once beforehand so that the function can */
/* use the sign flag instead of the zero flag for the exit test. */
/* It is then shifted into the high word, to make room for the scanend */
/* scanend value, which it will always accompany. */
decl %ebx
shll $16, %ebx
/* int best_len = s->prev_length; */
movl dsPrevLen(%edx), %eax
movl %eax, bestlen(%esp)
/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
addl %eax, %esi
movl %esi, windowbestlen(%esp)
/* register ush scan_start = *(ushf*)scan; */
/* register ush scan_end = *(ushf*)(scan+best_len-1); */
movw (%edi), %bx
movw %bx, scanstart(%esp)
movw -1(%edi,%eax), %bx
movl %ebx, chainlenscanend(%esp)
/* Posf *prev = s->prev; */
/* uInt wmask = s->w_mask; */
movl dsPrev(%edx), %edi
movl dsWMask(%edx), %edx
mov %edx, wmask(%esp)
/* Jump into the main loop. */
jmp LoopEntry
.balign 16
/* do {
* match = s->window + cur_match;
* if (*(ushf*)(match+best_len-1) != scan_end ||
* *(ushf*)match != scan_start) continue;
* [...]
* } while ((cur_match = prev[cur_match & wmask]) > limit
* && --chain_length != 0);
*
* Here is the inner loop of the function. The function will spend the
* majority of its time in this loop, and majority of that time will
* be spent in the first ten instructions.
*
* Within this loop:
* %ebx = chainlenscanend - i.e., ((chainlen << 16) | scanend)
* %ecx = curmatch
* %edx = curmatch & wmask
* %esi = windowbestlen - i.e., (window + bestlen)
* %edi = prev
* %ebp = limit
*
* Two optimization notes on the choice of instructions:
*
* The first instruction uses a 16-bit address, which costs an extra,
* unpairable cycle. This is cheaper than doing a 32-bit access and
* zeroing the high word, due to the 3-cycle misalignment penalty which
* would occur half the time. This also turns out to be cheaper than
* doing two separate 8-bit accesses, as the memory is so rarely in the
* L1 cache.
*
* The window buffer, however, apparently spends a lot of time in the
* cache, and so it is faster to retrieve the word at the end of the
* match string with two 8-bit loads. The instructions that test the
* word at the beginning of the match string, however, are executed
* much less frequently, and there it was cheaper to use 16-bit
* instructions, which avoided the necessity of saving off and
* subsequently reloading one of the other registers.
*/
LookupLoop:
/* 1 U & V */
movw (%edi,%edx,2), %cx /* 2 U pipe */
movl wmask(%esp), %edx /* 2 V pipe */
cmpl %ebp, %ecx /* 3 U pipe */
jbe LeaveNow /* 3 V pipe */
subl $0x00010000, %ebx /* 4 U pipe */
js LeaveNow /* 4 V pipe */
LoopEntry: movb -1(%esi,%ecx), %al /* 5 U pipe */
andl %ecx, %edx /* 5 V pipe */
cmpb %bl, %al /* 6 U pipe */
jnz LookupLoop /* 6 V pipe */
movb (%esi,%ecx), %ah
cmpb %bh, %ah
jnz LookupLoop
movl window(%esp), %eax
movw (%eax,%ecx), %ax
cmpw scanstart(%esp), %ax
jnz LookupLoop
/* Store the current value of chainlen. */
movl %ebx, chainlenscanend(%esp)
/* Point %edi to the string under scrutiny, and %esi to the string we */
/* are hoping to match it up with. In actuality, %esi and %edi are */
/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
/* initialized to -(MAX_MATCH_8 - scanalign). */
movl window(%esp), %esi
movl scan(%esp), %edi
addl %ecx, %esi
movl scanalign(%esp), %eax
movl $(-MAX_MATCH_8), %edx
lea MAX_MATCH_8(%edi,%eax), %edi
lea MAX_MATCH_8(%esi,%eax), %esi
/* Test the strings for equality, 8 bytes at a time. At the end,
* adjust %edx so that it is offset to the exact byte that mismatched.
*
* We already know at this point that the first three bytes of the
* strings match each other, and they can be safely passed over before
* starting the compare loop. So what this code does is skip over 0-3
* bytes, as much as necessary in order to dword-align the %edi
* pointer. (%esi will still be misaligned three times out of four.)
*
* It should be confessed that this loop usually does not represent
* much of the total running time. Replacing it with a more
* straightforward "rep cmpsb" would not drastically degrade
* performance.
*/
LoopCmps:
movl (%esi,%edx), %eax
movl (%edi,%edx), %ebx
xorl %ebx, %eax
jnz LeaveLoopCmps
movl 4(%esi,%edx), %eax
movl 4(%edi,%edx), %ebx
xorl %ebx, %eax
jnz LeaveLoopCmps4
addl $8, %edx
jnz LoopCmps
jmp LenMaximum
LeaveLoopCmps4: addl $4, %edx
LeaveLoopCmps: testl $0x0000FFFF, %eax
jnz LenLower
addl $2, %edx
shrl $16, %eax
LenLower: subb $1, %al
adcl $0, %edx
/* Calculate the length of the match. If it is longer than MAX_MATCH, */
/* then automatically accept it as the best possible match and leave. */
lea (%edi,%edx), %eax
movl scan(%esp), %edi
subl %edi, %eax
cmpl $MAX_MATCH, %eax
jge LenMaximum
/* If the length of the match is not longer than the best match we */
/* have so far, then forget it and return to the lookup loop. */
movl deflatestate(%esp), %edx
movl bestlen(%esp), %ebx
cmpl %ebx, %eax
jg LongerMatch
movl chainlenscanend(%esp), %ebx
movl windowbestlen(%esp), %esi
movl dsPrev(%edx), %edi
movl wmask(%esp), %edx
andl %ecx, %edx
jmp LookupLoop
/* s->match_start = cur_match; */
/* best_len = len; */
/* if (len >= nice_match) break; */
/* scan_end = *(ushf*)(scan+best_len-1); */
LongerMatch: movl nicematch(%esp), %ebx
movl %eax, bestlen(%esp)
movl %ecx, dsMatchStart(%edx)
cmpl %ebx, %eax
jge LeaveNow
movl window(%esp), %esi
addl %eax, %esi
movl %esi, windowbestlen(%esp)
movl chainlenscanend(%esp), %ebx
movw -1(%edi,%eax), %bx
movl dsPrev(%edx), %edi
movl %ebx, chainlenscanend(%esp)
movl wmask(%esp), %edx
andl %ecx, %edx
jmp LookupLoop
/* Accept the current string, with the maximum possible length. */
LenMaximum: movl deflatestate(%esp), %edx
movl $MAX_MATCH, bestlen(%esp)
movl %ecx, dsMatchStart(%edx)
/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */
/* return s->lookahead; */
LeaveNow:
movl deflatestate(%esp), %edx
movl bestlen(%esp), %ebx
movl dsLookahead(%edx), %eax
cmpl %eax, %ebx
jg LookaheadRet
movl %ebx, %eax
LookaheadRet:
/* Restore the stack and return from whence we came. */
addl $LocalVarsSize, %esp
popl %ebx
popl %esi
popl %edi
popl %ebp
match_init: ret

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This is a patched version of zlib, modified to use
Pentium-Pro-optimized assembly code in the deflation algorithm. The
files changed/added by this patch are:
README.686
match.S
The speedup that this patch provides varies, depending on whether the
compiler used to build the original version of zlib falls afoul of the
PPro's speed traps. My own tests show a speedup of around 10-20% at
the default compression level, and 20-30% using -9, against a version
compiled using gcc 2.7.2.3. Your mileage may vary.
Note that this code has been tailored for the PPro/PII in particular,
and will not perform particuarly well on a Pentium.
If you are using an assembler other than GNU as, you will have to
translate match.S to use your assembler's syntax. (Have fun.)
Brian Raiter
breadbox@muppetlabs.com
April, 1998
Added for zlib 1.1.3:
The patches come from
http://www.muppetlabs.com/~breadbox/software/assembly.html
To compile zlib with this asm file, copy match.S to the zlib directory
then do:
CFLAGS="-O3 -DASMV" ./configure
make OBJA=match.o

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/* match.s -- Pentium-Pro-optimized version of longest_match()
* Written for zlib 1.1.2
* Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License.
*/
#ifndef NO_UNDERLINE
#define match_init _match_init
#define longest_match _longest_match
#endif
#define MAX_MATCH (258)
#define MIN_MATCH (3)
#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1)
#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7)
/* stack frame offsets */
#define chainlenwmask 0 /* high word: current chain len */
/* low word: s->wmask */
#define window 4 /* local copy of s->window */
#define windowbestlen 8 /* s->window + bestlen */
#define scanstart 16 /* first two bytes of string */
#define scanend 12 /* last two bytes of string */
#define scanalign 20 /* dword-misalignment of string */
#define nicematch 24 /* a good enough match size */
#define bestlen 28 /* size of best match so far */
#define scan 32 /* ptr to string wanting match */
#define LocalVarsSize (36)
/* saved ebx 36 */
/* saved edi 40 */
/* saved esi 44 */
/* saved ebp 48 */
/* return address 52 */
#define deflatestate 56 /* the function arguments */
#define curmatch 60
/* Offsets for fields in the deflate_state structure. These numbers
* are calculated from the definition of deflate_state, with the
* assumption that the compiler will dword-align the fields. (Thus,
* changing the definition of deflate_state could easily cause this
* program to crash horribly, without so much as a warning at
* compile time. Sigh.)
*/
#define dsWSize 36
#define dsWMask 44
#define dsWindow 48
#define dsPrev 56
#define dsMatchLen 88
#define dsPrevMatch 92
#define dsStrStart 100
#define dsMatchStart 104
#define dsLookahead 108
#define dsPrevLen 112
#define dsMaxChainLen 116
#define dsGoodMatch 132
#define dsNiceMatch 136
.file "match.S"
.globl match_init, longest_match
.text
/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
longest_match:
/* Save registers that the compiler may be using, and adjust %esp to */
/* make room for our stack frame. */
pushl %ebp
pushl %edi
pushl %esi
pushl %ebx
subl $LocalVarsSize, %esp
/* Retrieve the function arguments. %ecx will hold cur_match */
/* throughout the entire function. %edx will hold the pointer to the */
/* deflate_state structure during the function's setup (before */
/* entering the main loop). */
movl deflatestate(%esp), %edx
movl curmatch(%esp), %ecx
/* uInt wmask = s->w_mask; */
/* unsigned chain_length = s->max_chain_length; */
/* if (s->prev_length >= s->good_match) { */
/* chain_length >>= 2; */
/* } */
movl dsPrevLen(%edx), %eax
movl dsGoodMatch(%edx), %ebx
cmpl %ebx, %eax
movl dsWMask(%edx), %eax
movl dsMaxChainLen(%edx), %ebx
jl LastMatchGood
shrl $2, %ebx
LastMatchGood:
/* chainlen is decremented once beforehand so that the function can */
/* use the sign flag instead of the zero flag for the exit test. */
/* It is then shifted into the high word, to make room for the wmask */
/* value, which it will always accompany. */
decl %ebx
shll $16, %ebx
orl %eax, %ebx
movl %ebx, chainlenwmask(%esp)
/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */
movl dsNiceMatch(%edx), %eax
movl dsLookahead(%edx), %ebx
cmpl %eax, %ebx
jl LookaheadLess
movl %eax, %ebx
LookaheadLess: movl %ebx, nicematch(%esp)
/* register Bytef *scan = s->window + s->strstart; */
movl dsWindow(%edx), %esi
movl %esi, window(%esp)
movl dsStrStart(%edx), %ebp
lea (%esi,%ebp), %edi
movl %edi, scan(%esp)
/* Determine how many bytes the scan ptr is off from being */
/* dword-aligned. */
movl %edi, %eax
negl %eax
andl $3, %eax
movl %eax, scanalign(%esp)
/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
movl dsWSize(%edx), %eax
subl $MIN_LOOKAHEAD, %eax
subl %eax, %ebp
jg LimitPositive
xorl %ebp, %ebp
LimitPositive:
/* int best_len = s->prev_length; */
movl dsPrevLen(%edx), %eax
movl %eax, bestlen(%esp)
/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
addl %eax, %esi
movl %esi, windowbestlen(%esp)
/* register ush scan_start = *(ushf*)scan; */
/* register ush scan_end = *(ushf*)(scan+best_len-1); */
/* Posf *prev = s->prev; */
movzwl (%edi), %ebx
movl %ebx, scanstart(%esp)
movzwl -1(%edi,%eax), %ebx
movl %ebx, scanend(%esp)
movl dsPrev(%edx), %edi
/* Jump into the main loop. */
movl chainlenwmask(%esp), %edx
jmp LoopEntry
.balign 16
/* do {
* match = s->window + cur_match;
* if (*(ushf*)(match+best_len-1) != scan_end ||
* *(ushf*)match != scan_start) continue;
* [...]
* } while ((cur_match = prev[cur_match & wmask]) > limit
* && --chain_length != 0);
*
* Here is the inner loop of the function. The function will spend the
* majority of its time in this loop, and majority of that time will
* be spent in the first ten instructions.
*
* Within this loop:
* %ebx = scanend
* %ecx = curmatch
* %edx = chainlenwmask - i.e., ((chainlen << 16) | wmask)
* %esi = windowbestlen - i.e., (window + bestlen)
* %edi = prev
* %ebp = limit
*/
LookupLoop:
andl %edx, %ecx
movzwl (%edi,%ecx,2), %ecx
cmpl %ebp, %ecx
jbe LeaveNow
subl $0x00010000, %edx
js LeaveNow
LoopEntry: movzwl -1(%esi,%ecx), %eax
cmpl %ebx, %eax
jnz LookupLoop
movl window(%esp), %eax
movzwl (%eax,%ecx), %eax
cmpl scanstart(%esp), %eax
jnz LookupLoop
/* Store the current value of chainlen. */
movl %edx, chainlenwmask(%esp)
/* Point %edi to the string under scrutiny, and %esi to the string we */
/* are hoping to match it up with. In actuality, %esi and %edi are */
/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
/* initialized to -(MAX_MATCH_8 - scanalign). */
movl window(%esp), %esi
movl scan(%esp), %edi
addl %ecx, %esi
movl scanalign(%esp), %eax
movl $(-MAX_MATCH_8), %edx
lea MAX_MATCH_8(%edi,%eax), %edi
lea MAX_MATCH_8(%esi,%eax), %esi
/* Test the strings for equality, 8 bytes at a time. At the end,
* adjust %edx so that it is offset to the exact byte that mismatched.
*
* We already know at this point that the first three bytes of the
* strings match each other, and they can be safely passed over before
* starting the compare loop. So what this code does is skip over 0-3
* bytes, as much as necessary in order to dword-align the %edi
* pointer. (%esi will still be misaligned three times out of four.)
*
* It should be confessed that this loop usually does not represent
* much of the total running time. Replacing it with a more
* straightforward "rep cmpsb" would not drastically degrade
* performance.
*/
LoopCmps:
movl (%esi,%edx), %eax
xorl (%edi,%edx), %eax
jnz LeaveLoopCmps
movl 4(%esi,%edx), %eax
xorl 4(%edi,%edx), %eax
jnz LeaveLoopCmps4
addl $8, %edx
jnz LoopCmps
jmp LenMaximum
LeaveLoopCmps4: addl $4, %edx
LeaveLoopCmps: testl $0x0000FFFF, %eax
jnz LenLower
addl $2, %edx
shrl $16, %eax
LenLower: subb $1, %al
adcl $0, %edx
/* Calculate the length of the match. If it is longer than MAX_MATCH, */
/* then automatically accept it as the best possible match and leave. */
lea (%edi,%edx), %eax
movl scan(%esp), %edi
subl %edi, %eax
cmpl $MAX_MATCH, %eax
jge LenMaximum
/* If the length of the match is not longer than the best match we */
/* have so far, then forget it and return to the lookup loop. */
movl deflatestate(%esp), %edx
movl bestlen(%esp), %ebx
cmpl %ebx, %eax
jg LongerMatch
movl windowbestlen(%esp), %esi
movl dsPrev(%edx), %edi
movl scanend(%esp), %ebx
movl chainlenwmask(%esp), %edx
jmp LookupLoop
/* s->match_start = cur_match; */
/* best_len = len; */
/* if (len >= nice_match) break; */
/* scan_end = *(ushf*)(scan+best_len-1); */
LongerMatch: movl nicematch(%esp), %ebx
movl %eax, bestlen(%esp)
movl %ecx, dsMatchStart(%edx)
cmpl %ebx, %eax
jge LeaveNow
movl window(%esp), %esi
addl %eax, %esi
movl %esi, windowbestlen(%esp)
movzwl -1(%edi,%eax), %ebx
movl dsPrev(%edx), %edi
movl %ebx, scanend(%esp)
movl chainlenwmask(%esp), %edx
jmp LookupLoop
/* Accept the current string, with the maximum possible length. */
LenMaximum: movl deflatestate(%esp), %edx
movl $MAX_MATCH, bestlen(%esp)
movl %ecx, dsMatchStart(%edx)
/* if ((uInt)best_len <= s->lookahead) return (uInt)best_len; */
/* return s->lookahead; */
LeaveNow:
movl deflatestate(%esp), %edx
movl bestlen(%esp), %ebx
movl dsLookahead(%edx), %eax
cmpl %eax, %ebx
jg LookaheadRet
movl %ebx, %eax
LookaheadRet:
/* Restore the stack and return from whence we came. */
addl $LocalVarsSize, %esp
popl %ebx
popl %esi
popl %edi
popl %ebp
match_init: ret

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# Makefile for zlib32bd.lib
# ------------- Borland C++ 4.5 -------------
# The (32-bit) zlib32bd.lib made with this makefile is intended for use
# in making the (32-bit) DLL, png32bd.dll. It uses the "stdcall" calling
# convention.
CFLAGS= -ps -O2 -C -K -N- -k- -d -3 -r- -w-par -w-aus -WDE
CC=f:\bc45\bin\bcc32
LIBFLAGS= /C
LIB=f:\bc45\bin\tlib
ZLIB=zlib32bd.lib
.autodepend
.c.obj:
$(CC) -c $(CFLAGS) $<
OBJ1=adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infblock.obj
OBJ2=infcodes.obj inflate.obj inftrees.obj infutil.obj inffast.obj
OBJ3=trees.obj uncompr.obj zutil.obj
pOBJ1=+adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infblock.obj
pOBJ2=+infcodes.obj+inflate.obj+inftrees.obj+infutil.obj+inffast.obj
pOBJ3=+trees.obj+uncompr.obj+zutil.obj
all: $(ZLIB)
$(ZLIB): $(OBJ1) $(OBJ2) $(OBJ3)
@if exist $@ del $@
$(LIB) @&&|
$@ $(LIBFLAGS) &
$(pOBJ1) &
$(pOBJ2) &
$(pOBJ3)
|
# End of makefile for zlib32bd.lib

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unit zlibdef;
interface
uses
Windows;
const
ZLIB_VERSION = '1.1.3';
type
voidpf = Pointer;
int = Integer;
uInt = Cardinal;
pBytef = PChar;
uLong = Cardinal;
alloc_func = function(opaque: voidpf; items, size: uInt): voidpf;
stdcall;
free_func = procedure(opaque, address: voidpf);
stdcall;
internal_state = Pointer;
z_streamp = ^z_stream;
z_stream = packed record
next_in: pBytef; // next input byte
avail_in: uInt; // number of bytes available at next_in
total_in: uLong; // total nb of input bytes read so far
next_out: pBytef; // next output byte should be put there
avail_out: uInt; // remaining free space at next_out
total_out: uLong; // total nb of bytes output so far
msg: PChar; // last error message, NULL if no error
state: internal_state; // not visible by applications
zalloc: alloc_func; // used to allocate the internal state
zfree: free_func; // used to free the internal state
opaque: voidpf; // private data object passed to zalloc and zfree
data_type: int; // best guess about the data type: ascii or binary
adler: uLong; // adler32 value of the uncompressed data
reserved: uLong; // reserved for future use
end;
const
Z_NO_FLUSH = 0;
Z_SYNC_FLUSH = 2;
Z_FULL_FLUSH = 3;
Z_FINISH = 4;
Z_OK = 0;
Z_STREAM_END = 1;
Z_NO_COMPRESSION = 0;
Z_BEST_SPEED = 1;
Z_BEST_COMPRESSION = 9;
Z_DEFAULT_COMPRESSION = -1;
Z_FILTERED = 1;
Z_HUFFMAN_ONLY = 2;
Z_DEFAULT_STRATEGY = 0;
Z_BINARY = 0;
Z_ASCII = 1;
Z_UNKNOWN = 2;
Z_DEFLATED = 8;
MAX_MEM_LEVEL = 9;
function adler32(adler: uLong; const buf: pBytef; len: uInt): uLong;
stdcall;
function crc32(crc: uLong; const buf: pBytef; len: uInt): uLong;
stdcall;
function deflate(strm: z_streamp; flush: int): int;
stdcall;
function deflateCopy(dest, source: z_streamp): int;
stdcall;
function deflateEnd(strm: z_streamp): int;
stdcall;
function deflateInit2_(strm: z_streamp; level, method,
windowBits, memLevel, strategy: int;
const version: PChar; stream_size: int): int;
stdcall;
function deflateInit_(strm: z_streamp; level: int;
const version: PChar; stream_size: int): int;
stdcall;
function deflateParams(strm: z_streamp; level, strategy: int): int;
stdcall;
function deflateReset(strm: z_streamp): int;
stdcall;
function deflateSetDictionary(strm: z_streamp;
const dictionary: pBytef;
dictLength: uInt): int;
stdcall;
function inflate(strm: z_streamp; flush: int): int;
stdcall;
function inflateEnd(strm: z_streamp): int;
stdcall;
function inflateInit2_(strm: z_streamp; windowBits: int;
const version: PChar; stream_size: int): int;
stdcall;
function inflateInit_(strm: z_streamp; const version: PChar;
stream_size: int): int;
stdcall;
function inflateReset(strm: z_streamp): int;
stdcall;
function inflateSetDictionary(strm: z_streamp;
const dictionary: pBytef;
dictLength: uInt): int;
stdcall;
function inflateSync(strm: z_streamp): int;
stdcall;
function deflateInit(strm: z_streamp; level: int): int;
function deflateInit2(strm: z_streamp; level, method, windowBits,
memLevel, strategy: int): int;
function inflateInit(strm: z_streamp): int;
function inflateInit2(strm: z_streamp; windowBits: int): int;
implementation
function deflateInit(strm: z_streamp; level: int): int;
begin
Result := deflateInit_(strm, level, ZLIB_VERSION, sizeof(z_stream));
end;
function deflateInit2(strm: z_streamp; level, method, windowBits,
memLevel, strategy: int): int;
begin
Result := deflateInit2_(strm, level, method, windowBits, memLevel,
strategy, ZLIB_VERSION, sizeof(z_stream));
end;
function inflateInit(strm: z_streamp): int;
begin
Result := inflateInit_(strm, ZLIB_VERSION, sizeof(z_stream));
end;
function inflateInit2(strm: z_streamp; windowBits: int): int;
begin
Result := inflateInit2_(strm, windowBits, ZLIB_VERSION,
sizeof(z_stream));
end;
const
zlibDLL = 'png32bd.dll';
function adler32; external zlibDLL;
function crc32; external zlibDLL;
function deflate; external zlibDLL;
function deflateCopy; external zlibDLL;
function deflateEnd; external zlibDLL;
function deflateInit2_; external zlibDLL;
function deflateInit_; external zlibDLL;
function deflateParams; external zlibDLL;
function deflateReset; external zlibDLL;
function deflateSetDictionary; external zlibDLL;
function inflate; external zlibDLL;
function inflateEnd; external zlibDLL;
function inflateInit2_; external zlibDLL;
function inflateInit_; external zlibDLL;
function inflateReset; external zlibDLL;
function inflateSetDictionary; external zlibDLL;
function inflateSync; external zlibDLL;
end.

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# ---------------------------------------------------------------------------
!if !$d(BCB)
BCB = $(MAKEDIR)\..
!endif
# ---------------------------------------------------------------------------
# IDE SECTION
# ---------------------------------------------------------------------------
# The following section of the project makefile is managed by the BCB IDE.
# It is recommended to use the IDE to change any of the values in this
# section.
# ---------------------------------------------------------------------------
VERSION = BCB.03
# ---------------------------------------------------------------------------
PROJECT = d_zlib.lib
OBJFILES = d_zlib.obj adler32.obj deflate.obj infblock.obj infcodes.obj inffast.obj \
inflate.obj inftrees.obj infutil.obj trees.obj
RESFILES =
RESDEPEN = $(RESFILES)
LIBFILES =
LIBRARIES = VCL35.lib
SPARELIBS = VCL35.lib
DEFFILE =
PACKAGES = VCLX35.bpi VCL35.bpi VCLDB35.bpi VCLDBX35.bpi ibsmp35.bpi bcbsmp35.bpi \
dclocx35.bpi QRPT35.bpi TEEUI35.bpi TEEDB35.bpi TEE35.bpi DSS35.bpi \
NMFAST35.bpi INETDB35.bpi INET35.bpi VCLMID35.bpi
# ---------------------------------------------------------------------------
PATHCPP = .;
PATHASM = .;
PATHPAS = .;
PATHRC = .;
DEBUGLIBPATH = $(BCB)\lib\debug
RELEASELIBPATH = $(BCB)\lib\release
# ---------------------------------------------------------------------------
CFLAG1 = -O2 -Ve -d -k- -vi
CFLAG2 = -I$(BCB)\include;$(BCB)\include\vcl -H=$(BCB)\lib\vcl35.csm
CFLAG3 = -ff -pr -5
PFLAGS = -U;$(DEBUGLIBPATH) -I$(BCB)\include;$(BCB)\include\vcl -H -W -$I- -v -JPHN -M
RFLAGS = -i$(BCB)\include;$(BCB)\include\vcl
AFLAGS = /i$(BCB)\include /i$(BCB)\include\vcl /mx /w2 /zn
LFLAGS =
IFLAGS = -g -Gn
# ---------------------------------------------------------------------------
ALLOBJ = c0w32.obj $(OBJFILES)
ALLRES = $(RESFILES)
ALLLIB = $(LIBFILES) $(LIBRARIES) import32.lib cp32mt.lib
# ---------------------------------------------------------------------------
!!ifdef IDEOPTIONS
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=0
Locale=1040
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=
[HistoryLists\hlIncludePath]
Count=2
Item0=$(BCB)\include
Item1=$(BCB)\include;$(BCB)\include\vcl
[HistoryLists\hlLibraryPath]
Count=1
Item0=$(BCB)\lib\obj;$(BCB)\lib
[HistoryLists\hlDebugSourcePath]
Count=1
Item0=$(BCB)\source\vcl
[Debugging]
DebugSourceDirs=
[Parameters]
RunParams=
HostApplication=
!endif
---------------------------------------------------------------------------
# MAKE SECTION
# ---------------------------------------------------------------------------
# This section of the project file is not used by the BCB IDE. It is for
# the benefit of building from the command-line using the MAKE utility.
# ---------------------------------------------------------------------------
.autodepend
# ---------------------------------------------------------------------------
!if !$d(BCC32)
BCC32 = bcc32
!endif
!if !$d(DCC32)
DCC32 = dcc32
!endif
!if !$d(TASM32)
TASM32 = tasm32
!endif
!if !$d(LINKER)
LINKER = TLib
!endif
!if !$d(BRCC32)
BRCC32 = brcc32
!endif
# ---------------------------------------------------------------------------
!if $d(PATHCPP)
.PATH.CPP = $(PATHCPP)
.PATH.C = $(PATHCPP)
!endif
!if $d(PATHPAS)
.PATH.PAS = $(PATHPAS)
!endif
!if $d(PATHASM)
.PATH.ASM = $(PATHASM)
!endif
!if $d(PATHRC)
.PATH.RC = $(PATHRC)
!endif
# ---------------------------------------------------------------------------
!ifdef IDEOPTIONS
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=0
Locale=1040
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=
[HistoryLists\hlIncludePath]
Count=2
Item0=$(BCB)\include;$(BCB)\include\vcl
Item1=$(BCB)\include
[HistoryLists\hlLibraryPath]
Count=1
Item0=$(BCB)\lib\obj;$(BCB)\lib
[HistoryLists\hlDebugSourcePath]
Count=1
Item0=$(BCB)\source\vcl
[Debugging]
DebugSourceDirs=
[Parameters]
RunParams=
HostApplication=
!endif
$(PROJECT): $(OBJFILES) $(RESDEPEN) $(DEFFILE)
$(BCB)\BIN\$(LINKER) @&&!
$(LFLAGS) $(IFLAGS) +
$(ALLOBJ), +
$(PROJECT),, +
$(ALLLIB), +
$(DEFFILE), +
$(ALLRES)
!
# ---------------------------------------------------------------------------
.pas.hpp:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.pas.obj:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.cpp.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.c.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.asm.obj:
$(BCB)\BIN\$(TASM32) $(AFLAGS) $<, $@
.rc.res:
$(BCB)\BIN\$(BRCC32) $(RFLAGS) -fo$@ $<
# ---------------------------------------------------------------------------

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src/Kyoto/zlib/contrib/delphi2/d_zlib.cpp Normal file
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#include <condefs.h>
#pragma hdrstop
//---------------------------------------------------------------------------
USEUNIT("adler32.c");
USEUNIT("deflate.c");
USEUNIT("infblock.c");
USEUNIT("infcodes.c");
USEUNIT("inffast.c");
USEUNIT("inflate.c");
USEUNIT("inftrees.c");
USEUNIT("infutil.c");
USEUNIT("trees.c");
//---------------------------------------------------------------------------
#define Library
// To add a file to the library use the Project menu 'Add to Project'.

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src/Kyoto/zlib/contrib/delphi2/readme.txt Normal file
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These are files used to compile zlib under Borland C++ Builder 3.
zlib.bpg is the main project group that can be loaded in the BCB IDE and
loads all other *.bpr projects
zlib.bpr is a project used to create a static zlib.lib library with C calling
convention for functions.
zlib32.bpr creates a zlib32.dll dynamic link library with Windows standard
calling convention.
d_zlib.bpr creates a set of .obj files with register calling convention.
These files are used by zlib.pas to create a Delphi unit containing zlib.
The d_zlib.lib file generated isn't useful and can be deleted.
zlib.cpp, zlib32.cpp and d_zlib.cpp are used by the above projects.

26
src/Kyoto/zlib/contrib/delphi2/zlib.bpg Normal file
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#------------------------------------------------------------------------------
VERSION = BWS.01
#------------------------------------------------------------------------------
!ifndef ROOT
ROOT = $(MAKEDIR)\..
!endif
#------------------------------------------------------------------------------
MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$**
DCC = $(ROOT)\bin\dcc32.exe $**
BRCC = $(ROOT)\bin\brcc32.exe $**
#------------------------------------------------------------------------------
PROJECTS = zlib zlib32 d_zlib
#------------------------------------------------------------------------------
default: $(PROJECTS)
#------------------------------------------------------------------------------
zlib: zlib.bpr
$(MAKE)
zlib32: zlib32.bpr
$(MAKE)
d_zlib: d_zlib.bpr
$(MAKE)

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# ---------------------------------------------------------------------------
!if !$d(BCB)
BCB = $(MAKEDIR)\..
!endif
# ---------------------------------------------------------------------------
# IDE SECTION
# ---------------------------------------------------------------------------
# The following section of the project makefile is managed by the BCB IDE.
# It is recommended to use the IDE to change any of the values in this
# section.
# ---------------------------------------------------------------------------
VERSION = BCB.03
# ---------------------------------------------------------------------------
PROJECT = zlib.lib
OBJFILES = zlib.obj adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infblock.obj \
infcodes.obj inffast.obj inflate.obj inftrees.obj infutil.obj trees.obj \
uncompr.obj zutil.obj
RESFILES =
RESDEPEN = $(RESFILES)
LIBFILES =
LIBRARIES = VCL35.lib
SPARELIBS = VCL35.lib
DEFFILE =
PACKAGES = VCLX35.bpi VCL35.bpi VCLDB35.bpi VCLDBX35.bpi ibsmp35.bpi bcbsmp35.bpi \
dclocx35.bpi QRPT35.bpi TEEUI35.bpi TEEDB35.bpi TEE35.bpi DSS35.bpi \
NMFAST35.bpi INETDB35.bpi INET35.bpi VCLMID35.bpi
# ---------------------------------------------------------------------------
PATHCPP = .;
PATHASM = .;
PATHPAS = .;
PATHRC = .;
DEBUGLIBPATH = $(BCB)\lib\debug
RELEASELIBPATH = $(BCB)\lib\release
# ---------------------------------------------------------------------------
CFLAG1 = -O2 -Ve -d -k- -vi
CFLAG2 = -I$(BCB)\include;$(BCB)\include\vcl -H=$(BCB)\lib\vcl35.csm
CFLAG3 = -ff -5
PFLAGS = -U;$(DEBUGLIBPATH) -I$(BCB)\include;$(BCB)\include\vcl -H -W -$I- -v -JPHN -M
RFLAGS = -i$(BCB)\include;$(BCB)\include\vcl
AFLAGS = /i$(BCB)\include /i$(BCB)\include\vcl /mx /w2 /zn
LFLAGS =
IFLAGS = -g -Gn
# ---------------------------------------------------------------------------
ALLOBJ = c0w32.obj $(OBJFILES)
ALLRES = $(RESFILES)
ALLLIB = $(LIBFILES) $(LIBRARIES) import32.lib cp32mt.lib
# ---------------------------------------------------------------------------
!!ifdef IDEOPTIONS
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=0
Locale=1040
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=
[HistoryLists\hlIncludePath]
Count=2
Item0=$(BCB)\include
Item1=$(BCB)\include;$(BCB)\include\vcl
[HistoryLists\hlLibraryPath]
Count=1
Item0=$(BCB)\lib\obj;$(BCB)\lib
[HistoryLists\hlDebugSourcePath]
Count=1
Item0=$(BCB)\source\vcl
[Debugging]
DebugSourceDirs=
[Parameters]
RunParams=
HostApplication=
!endif
---------------------------------------------------------------------------
# MAKE SECTION
# ---------------------------------------------------------------------------
# This section of the project file is not used by the BCB IDE. It is for
# the benefit of building from the command-line using the MAKE utility.
# ---------------------------------------------------------------------------
.autodepend
# ---------------------------------------------------------------------------
!if !$d(BCC32)
BCC32 = bcc32
!endif
!if !$d(DCC32)
DCC32 = dcc32
!endif
!if !$d(TASM32)
TASM32 = tasm32
!endif
!if !$d(LINKER)
LINKER = TLib
!endif
!if !$d(BRCC32)
BRCC32 = brcc32
!endif
# ---------------------------------------------------------------------------
!if $d(PATHCPP)
.PATH.CPP = $(PATHCPP)
.PATH.C = $(PATHCPP)
!endif
!if $d(PATHPAS)
.PATH.PAS = $(PATHPAS)
!endif
!if $d(PATHASM)
.PATH.ASM = $(PATHASM)
!endif
!if $d(PATHRC)
.PATH.RC = $(PATHRC)
!endif
# ---------------------------------------------------------------------------
!ifdef IDEOPTIONS
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=0
Locale=1040
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=
[HistoryLists\hlIncludePath]
Count=2
Item0=$(BCB)\include;$(BCB)\include\vcl
Item1=$(BCB)\include
[HistoryLists\hlLibraryPath]
Count=1
Item0=$(BCB)\lib\obj;$(BCB)\lib
[HistoryLists\hlDebugSourcePath]
Count=1
Item0=$(BCB)\source\vcl
[Debugging]
DebugSourceDirs=
[Parameters]
RunParams=
HostApplication=
!endif
$(PROJECT): $(OBJFILES) $(RESDEPEN) $(DEFFILE)
$(BCB)\BIN\$(LINKER) @&&!
$(LFLAGS) $(IFLAGS) +
$(ALLOBJ), +
$(PROJECT),, +
$(ALLLIB), +
$(DEFFILE), +
$(ALLRES)
!
# ---------------------------------------------------------------------------
.pas.hpp:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.pas.obj:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.cpp.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.c.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.asm.obj:
$(BCB)\BIN\$(TASM32) $(AFLAGS) $<, $@
.rc.res:
$(BCB)\BIN\$(BRCC32) $(RFLAGS) -fo$@ $<
# ---------------------------------------------------------------------------

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src/Kyoto/zlib/contrib/delphi2/zlib.cpp Normal file
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#include <condefs.h>
#pragma hdrstop
//---------------------------------------------------------------------------
USEUNIT("adler32.c");
USEUNIT("compress.c");
USEUNIT("crc32.c");
USEUNIT("deflate.c");
USEUNIT("gzio.c");
USEUNIT("infblock.c");
USEUNIT("infcodes.c");
USEUNIT("inffast.c");
USEUNIT("inflate.c");
USEUNIT("inftrees.c");
USEUNIT("infutil.c");
USEUNIT("trees.c");
USEUNIT("uncompr.c");
USEUNIT("zutil.c");
//---------------------------------------------------------------------------
#define Library
// To add a file to the library use the Project menu 'Add to Project'.

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src/Kyoto/zlib/contrib/delphi2/zlib.pas Normal file
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{*******************************************************}
{ }
{ Delphi Supplemental Components }
{ ZLIB Data Compression Interface Unit }
{ }
{ Copyright (c) 1997 Borland International }
{ }
{*******************************************************}
{ Modified for zlib 1.1.3 by Davide Moretti <dave@rimini.com }
unit zlib;
interface
uses Sysutils, Classes;
type
TAlloc = function (AppData: Pointer; Items, Size: Integer): Pointer;
TFree = procedure (AppData, Block: Pointer);
// Internal structure. Ignore.
TZStreamRec = packed record
next_in: PChar; // next input byte
avail_in: Integer; // number of bytes available at next_in
total_in: Integer; // total nb of input bytes read so far
next_out: PChar; // next output byte should be put here
avail_out: Integer; // remaining free space at next_out
total_out: Integer; // total nb of bytes output so far
msg: PChar; // last error message, NULL if no error
internal: Pointer; // not visible by applications
zalloc: TAlloc; // used to allocate the internal state
zfree: TFree; // used to free the internal state
AppData: Pointer; // private data object passed to zalloc and zfree
data_type: Integer; // best guess about the data type: ascii or binary
adler: Integer; // adler32 value of the uncompressed data
reserved: Integer; // reserved for future use
end;
// Abstract ancestor class
TCustomZlibStream = class(TStream)
private
FStrm: TStream;
FStrmPos: Integer;
FOnProgress: TNotifyEvent;
FZRec: TZStreamRec;
FBuffer: array [Word] of Char;
protected
procedure Progress(Sender: TObject); dynamic;
property OnProgress: TNotifyEvent read FOnProgress write FOnProgress;
constructor Create(Strm: TStream);
end;
{ TCompressionStream compresses data on the fly as data is written to it, and
stores the compressed data to another stream.
TCompressionStream is write-only and strictly sequential. Reading from the
stream will raise an exception. Using Seek to move the stream pointer
will raise an exception.
Output data is cached internally, written to the output stream only when
the internal output buffer is full. All pending output data is flushed
when the stream is destroyed.
The Position property returns the number of uncompressed bytes of
data that have been written to the stream so far.
CompressionRate returns the on-the-fly percentage by which the original
data has been compressed: (1 - (CompressedBytes / UncompressedBytes)) * 100
If raw data size = 100 and compressed data size = 25, the CompressionRate
is 75%
The OnProgress event is called each time the output buffer is filled and
written to the output stream. This is useful for updating a progress
indicator when you are writing a large chunk of data to the compression
stream in a single call.}
TCompressionLevel = (clNone, clFastest, clDefault, clMax);
TCompressionStream = class(TCustomZlibStream)
private
function GetCompressionRate: Single;
public
constructor Create(CompressionLevel: TCompressionLevel; Dest: TStream);
destructor Destroy; override;
function Read(var Buffer; Count: Longint): Longint; override;
function Write(const Buffer; Count: Longint): Longint; override;
function Seek(Offset: Longint; Origin: Word): Longint; override;
property CompressionRate: Single read GetCompressionRate;
property OnProgress;
end;
{ TDecompressionStream decompresses data on the fly as data is read from it.
Compressed data comes from a separate source stream. TDecompressionStream
is read-only and unidirectional; you can seek forward in the stream, but not
backwards. The special case of setting the stream position to zero is
allowed. Seeking forward decompresses data until the requested position in
the uncompressed data has been reached. Seeking backwards, seeking relative
to the end of the stream, requesting the size of the stream, and writing to
the stream will raise an exception.
The Position property returns the number of bytes of uncompressed data that
have been read from the stream so far.
The OnProgress event is called each time the internal input buffer of
compressed data is exhausted and the next block is read from the input stream.
This is useful for updating a progress indicator when you are reading a
large chunk of data from the decompression stream in a single call.}
TDecompressionStream = class(TCustomZlibStream)
public
constructor Create(Source: TStream);
destructor Destroy; override;
function Read(var Buffer; Count: Longint): Longint; override;
function Write(const Buffer; Count: Longint): Longint; override;
function Seek(Offset: Longint; Origin: Word): Longint; override;
property OnProgress;
end;
{ CompressBuf compresses data, buffer to buffer, in one call.
In: InBuf = ptr to compressed data
InBytes = number of bytes in InBuf
Out: OutBuf = ptr to newly allocated buffer containing decompressed data
OutBytes = number of bytes in OutBuf }
procedure CompressBuf(const InBuf: Pointer; InBytes: Integer;
out OutBuf: Pointer; out OutBytes: Integer);
{ DecompressBuf decompresses data, buffer to buffer, in one call.
In: InBuf = ptr to compressed data
InBytes = number of bytes in InBuf
OutEstimate = zero, or est. size of the decompressed data
Out: OutBuf = ptr to newly allocated buffer containing decompressed data
OutBytes = number of bytes in OutBuf }
procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer;
OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer);
const
zlib_version = '1.1.3';
type
EZlibError = class(Exception);
ECompressionError = class(EZlibError);
EDecompressionError = class(EZlibError);
function adler32(adler: Integer; buf: PChar; len: Integer): Integer;
implementation
const
Z_NO_FLUSH = 0;
Z_PARTIAL_FLUSH = 1;
Z_SYNC_FLUSH = 2;
Z_FULL_FLUSH = 3;
Z_FINISH = 4;
Z_OK = 0;
Z_STREAM_END = 1;
Z_NEED_DICT = 2;
Z_ERRNO = (-1);
Z_STREAM_ERROR = (-2);
Z_DATA_ERROR = (-3);
Z_MEM_ERROR = (-4);
Z_BUF_ERROR = (-5);
Z_VERSION_ERROR = (-6);
Z_NO_COMPRESSION = 0;
Z_BEST_SPEED = 1;
Z_BEST_COMPRESSION = 9;
Z_DEFAULT_COMPRESSION = (-1);
Z_FILTERED = 1;
Z_HUFFMAN_ONLY = 2;
Z_DEFAULT_STRATEGY = 0;
Z_BINARY = 0;
Z_ASCII = 1;
Z_UNKNOWN = 2;
Z_DEFLATED = 8;
_z_errmsg: array[0..9] of PChar = (
'need dictionary', // Z_NEED_DICT (2)
'stream end', // Z_STREAM_END (1)
'', // Z_OK (0)
'file error', // Z_ERRNO (-1)
'stream error', // Z_STREAM_ERROR (-2)
'data error', // Z_DATA_ERROR (-3)
'insufficient memory', // Z_MEM_ERROR (-4)
'buffer error', // Z_BUF_ERROR (-5)
'incompatible version', // Z_VERSION_ERROR (-6)
''
);
{$L deflate.obj}
{$L inflate.obj}
{$L inftrees.obj}
{$L trees.obj}
{$L adler32.obj}
{$L infblock.obj}
{$L infcodes.obj}
{$L infutil.obj}
{$L inffast.obj}
procedure _tr_init; external;
procedure _tr_tally; external;
procedure _tr_flush_block; external;
procedure _tr_align; external;
procedure _tr_stored_block; external;
function adler32; external;
procedure inflate_blocks_new; external;
procedure inflate_blocks; external;
procedure inflate_blocks_reset; external;
procedure inflate_blocks_free; external;
procedure inflate_set_dictionary; external;
procedure inflate_trees_bits; external;
procedure inflate_trees_dynamic; external;
procedure inflate_trees_fixed; external;
procedure inflate_codes_new; external;
procedure inflate_codes; external;
procedure inflate_codes_free; external;
procedure _inflate_mask; external;
procedure inflate_flush; external;
procedure inflate_fast; external;
procedure _memset(P: Pointer; B: Byte; count: Integer);cdecl;
begin
FillChar(P^, count, B);
end;
procedure _memcpy(dest, source: Pointer; count: Integer);cdecl;
begin
Move(source^, dest^, count);
end;
// deflate compresses data
function deflateInit_(var strm: TZStreamRec; level: Integer; version: PChar;
recsize: Integer): Integer; external;
function deflate(var strm: TZStreamRec; flush: Integer): Integer; external;
function deflateEnd(var strm: TZStreamRec): Integer; external;
// inflate decompresses data
function inflateInit_(var strm: TZStreamRec; version: PChar;
recsize: Integer): Integer; external;
function inflate(var strm: TZStreamRec; flush: Integer): Integer; external;
function inflateEnd(var strm: TZStreamRec): Integer; external;
function inflateReset(var strm: TZStreamRec): Integer; external;
function zcalloc(AppData: Pointer; Items, Size: Integer): Pointer;
begin
GetMem(Result, Items*Size);
end;
procedure zcfree(AppData, Block: Pointer);
begin
FreeMem(Block);
end;
function zlibCheck(code: Integer): Integer;
begin
Result := code;
if code < 0 then
raise EZlibError.Create('error'); //!!
end;
function CCheck(code: Integer): Integer;
begin
Result := code;
if code < 0 then
raise ECompressionError.Create('error'); //!!
end;
function DCheck(code: Integer): Integer;
begin
Result := code;
if code < 0 then
raise EDecompressionError.Create('error'); //!!
end;
procedure CompressBuf(const InBuf: Pointer; InBytes: Integer;
out OutBuf: Pointer; out OutBytes: Integer);
var
strm: TZStreamRec;
P: Pointer;
begin
FillChar(strm, sizeof(strm), 0);
OutBytes := ((InBytes + (InBytes div 10) + 12) + 255) and not 255;
GetMem(OutBuf, OutBytes);
try
strm.next_in := InBuf;
strm.avail_in := InBytes;
strm.next_out := OutBuf;
strm.avail_out := OutBytes;
CCheck(deflateInit_(strm, Z_BEST_COMPRESSION, zlib_version, sizeof(strm)));
try
while CCheck(deflate(strm, Z_FINISH)) <> Z_STREAM_END do
begin
P := OutBuf;
Inc(OutBytes, 256);
ReallocMem(OutBuf, OutBytes);
strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P)));
strm.avail_out := 256;
end;
finally
CCheck(deflateEnd(strm));
end;
ReallocMem(OutBuf, strm.total_out);
OutBytes := strm.total_out;
except
FreeMem(OutBuf);
raise
end;
end;
procedure DecompressBuf(const InBuf: Pointer; InBytes: Integer;
OutEstimate: Integer; out OutBuf: Pointer; out OutBytes: Integer);
var
strm: TZStreamRec;
P: Pointer;
BufInc: Integer;
begin
FillChar(strm, sizeof(strm), 0);
BufInc := (InBytes + 255) and not 255;
if OutEstimate = 0 then
OutBytes := BufInc
else
OutBytes := OutEstimate;
GetMem(OutBuf, OutBytes);
try
strm.next_in := InBuf;
strm.avail_in := InBytes;
strm.next_out := OutBuf;
strm.avail_out := OutBytes;
DCheck(inflateInit_(strm, zlib_version, sizeof(strm)));
try
while DCheck(inflate(strm, Z_FINISH)) <> Z_STREAM_END do
begin
P := OutBuf;
Inc(OutBytes, BufInc);
ReallocMem(OutBuf, OutBytes);
strm.next_out := PChar(Integer(OutBuf) + (Integer(strm.next_out) - Integer(P)));
strm.avail_out := BufInc;
end;
finally
DCheck(inflateEnd(strm));
end;
ReallocMem(OutBuf, strm.total_out);
OutBytes := strm.total_out;
except
FreeMem(OutBuf);
raise
end;
end;
// TCustomZlibStream
constructor TCustomZLibStream.Create(Strm: TStream);
begin
inherited Create;
FStrm := Strm;
FStrmPos := Strm.Position;
end;
procedure TCustomZLibStream.Progress(Sender: TObject);
begin
if Assigned(FOnProgress) then FOnProgress(Sender);
end;
// TCompressionStream
constructor TCompressionStream.Create(CompressionLevel: TCompressionLevel;
Dest: TStream);
const
Levels: array [TCompressionLevel] of ShortInt =
(Z_NO_COMPRESSION, Z_BEST_SPEED, Z_DEFAULT_COMPRESSION, Z_BEST_COMPRESSION);
begin
inherited Create(Dest);
FZRec.next_out := FBuffer;
FZRec.avail_out := sizeof(FBuffer);
CCheck(deflateInit_(FZRec, Levels[CompressionLevel], zlib_version, sizeof(FZRec)));
end;
destructor TCompressionStream.Destroy;
begin
FZRec.next_in := nil;
FZRec.avail_in := 0;
try
if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
while (CCheck(deflate(FZRec, Z_FINISH)) <> Z_STREAM_END)
and (FZRec.avail_out = 0) do
begin
FStrm.WriteBuffer(FBuffer, sizeof(FBuffer));
FZRec.next_out := FBuffer;
FZRec.avail_out := sizeof(FBuffer);
end;
if FZRec.avail_out < sizeof(FBuffer) then
FStrm.WriteBuffer(FBuffer, sizeof(FBuffer) - FZRec.avail_out);
finally
deflateEnd(FZRec);
end;
inherited Destroy;
end;
function TCompressionStream.Read(var Buffer; Count: Longint): Longint;
begin
raise ECompressionError.Create('Invalid stream operation');
end;
function TCompressionStream.Write(const Buffer; Count: Longint): Longint;
begin
FZRec.next_in := @Buffer;
FZRec.avail_in := Count;
if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
while (FZRec.avail_in > 0) do
begin
CCheck(deflate(FZRec, 0));
if FZRec.avail_out = 0 then
begin
FStrm.WriteBuffer(FBuffer, sizeof(FBuffer));
FZRec.next_out := FBuffer;
FZRec.avail_out := sizeof(FBuffer);
FStrmPos := FStrm.Position;
Progress(Self);
end;
end;
Result := Count;
end;
function TCompressionStream.Seek(Offset: Longint; Origin: Word): Longint;
begin
if (Offset = 0) and (Origin = soFromCurrent) then
Result := FZRec.total_in
else
raise ECompressionError.Create('Invalid stream operation');
end;
function TCompressionStream.GetCompressionRate: Single;
begin
if FZRec.total_in = 0 then
Result := 0
else
Result := (1.0 - (FZRec.total_out / FZRec.total_in)) * 100.0;
end;
// TDecompressionStream
constructor TDecompressionStream.Create(Source: TStream);
begin
inherited Create(Source);
FZRec.next_in := FBuffer;
FZRec.avail_in := 0;
DCheck(inflateInit_(FZRec, zlib_version, sizeof(FZRec)));
end;
destructor TDecompressionStream.Destroy;
begin
inflateEnd(FZRec);
inherited Destroy;
end;
function TDecompressionStream.Read(var Buffer; Count: Longint): Longint;
begin
FZRec.next_out := @Buffer;
FZRec.avail_out := Count;
if FStrm.Position <> FStrmPos then FStrm.Position := FStrmPos;
while (FZRec.avail_out > 0) do
begin
if FZRec.avail_in = 0 then
begin
FZRec.avail_in := FStrm.Read(FBuffer, sizeof(FBuffer));
if FZRec.avail_in = 0 then
begin
Result := Count - FZRec.avail_out;
Exit;
end;
FZRec.next_in := FBuffer;
FStrmPos := FStrm.Position;
Progress(Self);
end;
DCheck(inflate(FZRec, 0));
end;
Result := Count;
end;
function TDecompressionStream.Write(const Buffer; Count: Longint): Longint;
begin
raise EDecompressionError.Create('Invalid stream operation');
end;
function TDecompressionStream.Seek(Offset: Longint; Origin: Word): Longint;
var
I: Integer;
Buf: array [0..4095] of Char;
begin
if (Offset = 0) and (Origin = soFromBeginning) then
begin
DCheck(inflateReset(FZRec));
FZRec.next_in := FBuffer;
FZRec.avail_in := 0;
FStrm.Position := 0;
FStrmPos := 0;
end
else if ( (Offset >= 0) and (Origin = soFromCurrent)) or
( ((Offset - FZRec.total_out) > 0) and (Origin = soFromBeginning)) then
begin
if Origin = soFromBeginning then Dec(Offset, FZRec.total_out);
if Offset > 0 then
begin
for I := 1 to Offset div sizeof(Buf) do
ReadBuffer(Buf, sizeof(Buf));
ReadBuffer(Buf, Offset mod sizeof(Buf));
end;
end
else
raise EDecompressionError.Create('Invalid stream operation');
Result := FZRec.total_out;
end;
end.

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src/Kyoto/zlib/contrib/delphi2/zlib32.bpr Normal file
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# ---------------------------------------------------------------------------
!if !$d(BCB)
BCB = $(MAKEDIR)\..
!endif
# ---------------------------------------------------------------------------
# IDE SECTION
# ---------------------------------------------------------------------------
# The following section of the project makefile is managed by the BCB IDE.
# It is recommended to use the IDE to change any of the values in this
# section.
# ---------------------------------------------------------------------------
VERSION = BCB.03
# ---------------------------------------------------------------------------
PROJECT = zlib32.dll
OBJFILES = zlib32.obj adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infblock.obj \
infcodes.obj inffast.obj inflate.obj inftrees.obj infutil.obj trees.obj \
uncompr.obj zutil.obj
RESFILES =
RESDEPEN = $(RESFILES)
LIBFILES =
LIBRARIES =
SPARELIBS =
DEFFILE =
PACKAGES = VCLX35.bpi VCL35.bpi VCLDB35.bpi VCLDBX35.bpi ibsmp35.bpi bcbsmp35.bpi \
dclocx35.bpi QRPT35.bpi TEEUI35.bpi TEEDB35.bpi TEE35.bpi DSS35.bpi \
NMFAST35.bpi INETDB35.bpi INET35.bpi VCLMID35.bpi
# ---------------------------------------------------------------------------
PATHCPP = .;
PATHASM = .;
PATHPAS = .;
PATHRC = .;
DEBUGLIBPATH = $(BCB)\lib\debug
RELEASELIBPATH = $(BCB)\lib\release
# ---------------------------------------------------------------------------
CFLAG1 = -WD -O2 -Ve -d -k- -vi -c -tWD
CFLAG2 = -D_NO_VCL;ZLIB_DLL -I$(BCB)\include
CFLAG3 = -ff -5
PFLAGS = -D_NO_VCL;ZLIB_DLL -U$(BCB)\lib;$(RELEASELIBPATH) -I$(BCB)\include -$I- -v \
-JPHN -M
RFLAGS = -D_NO_VCL;ZLIB_DLL -i$(BCB)\include
AFLAGS = /i$(BCB)\include /d_NO_VCL /dZLIB_DLL /mx /w2 /zn
LFLAGS = -L$(BCB)\lib;$(RELEASELIBPATH) -aa -Tpd -x -Gi
IFLAGS = -Gn -g
# ---------------------------------------------------------------------------
ALLOBJ = c0d32.obj $(OBJFILES)
ALLRES = $(RESFILES)
ALLLIB = $(LIBFILES) import32.lib cw32mt.lib
# ---------------------------------------------------------------------------
!ifdef IDEOPTIONS
[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=1
Locale=1040
CodePage=1252
[Version Info Keys]
CompanyName=
FileDescription=DLL (GUI)
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=
[HistoryLists\hlIncludePath]
Count=1
Item0=$(BCB)\include
[HistoryLists\hlLibraryPath]
Count=1
Item0=$(BCB)\lib
[HistoryLists\hlConditionals]
Count=1
Item0=_NO_VCL;ZLIB_DLL
[Debugging]
DebugSourceDirs=
[Parameters]
RunParams=
HostApplication=
!endif
# ---------------------------------------------------------------------------
# MAKE SECTION
# ---------------------------------------------------------------------------
# This section of the project file is not used by the BCB IDE. It is for
# the benefit of building from the command-line using the MAKE utility.
# ---------------------------------------------------------------------------
.autodepend
# ---------------------------------------------------------------------------
!if !$d(BCC32)
BCC32 = bcc32
!endif
!if !$d(DCC32)
DCC32 = dcc32
!endif
!if !$d(TASM32)
TASM32 = tasm32
!endif
!if !$d(LINKER)
LINKER = ilink32
!endif
!if !$d(BRCC32)
BRCC32 = brcc32
!endif
# ---------------------------------------------------------------------------
!if $d(PATHCPP)
.PATH.CPP = $(PATHCPP)
.PATH.C = $(PATHCPP)
!endif
!if $d(PATHPAS)
.PATH.PAS = $(PATHPAS)
!endif
!if $d(PATHASM)
.PATH.ASM = $(PATHASM)
!endif
!if $d(PATHRC)
.PATH.RC = $(PATHRC)
!endif
# ---------------------------------------------------------------------------
$(PROJECT): $(OBJFILES) $(RESDEPEN) $(DEFFILE)
$(BCB)\BIN\$(LINKER) @&&!
$(LFLAGS) $(IFLAGS) +
$(ALLOBJ), +
$(PROJECT),, +
$(ALLLIB), +
$(DEFFILE), +
$(ALLRES)
!
# ---------------------------------------------------------------------------
.pas.hpp:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.pas.obj:
$(BCB)\BIN\$(DCC32) $(PFLAGS) {$< }
.cpp.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.c.obj:
$(BCB)\BIN\$(BCC32) $(CFLAG1) $(CFLAG2) $(CFLAG3) -n$(@D) {$< }
.asm.obj:
$(BCB)\BIN\$(TASM32) $(AFLAGS) $<, $@
.rc.res:
$(BCB)\BIN\$(BRCC32) $(RFLAGS) -fo$@ $<
# ---------------------------------------------------------------------------

42
src/Kyoto/zlib/contrib/delphi2/zlib32.cpp Normal file
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#include <windows.h>
#pragma hdrstop
#include <condefs.h>
//---------------------------------------------------------------------------
// Important note about DLL memory management in a VCL DLL:
//
//
//
// If your DLL uses VCL and exports any functions that pass VCL String objects
// (or structs/classes containing nested Strings) as parameter or function
// results, you will need to build both your DLL project and any EXE projects
// that use your DLL with the dynamic RTL (the RTL DLL). This will change your
// DLL and its calling EXE's to use BORLNDMM.DLL as their memory manager. In
// these cases, the file BORLNDMM.DLL should be deployed along with your DLL
// and the RTL DLL (CP3240MT.DLL). To avoid the requiring BORLNDMM.DLL in
// these situations, pass string information using "char *" or ShortString
// parameters and then link with the static RTL.
//
//---------------------------------------------------------------------------
USEUNIT("adler32.c");
USEUNIT("compress.c");
USEUNIT("crc32.c");
USEUNIT("deflate.c");
USEUNIT("gzio.c");
USEUNIT("infblock.c");
USEUNIT("infcodes.c");
USEUNIT("inffast.c");
USEUNIT("inflate.c");
USEUNIT("inftrees.c");
USEUNIT("infutil.c");
USEUNIT("trees.c");
USEUNIT("uncompr.c");
USEUNIT("zutil.c");
//---------------------------------------------------------------------------
#pragma argsused
int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void*)
{
return 1;
}

24
src/Kyoto/zlib/contrib/iostream/test.cpp Normal file
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#include "zfstream.h"
int main() {
// Construct a stream object with this filebuffer. Anything sent
// to this stream will go to standard out.
gzofstream os( 1, ios::out );
// This text is getting compressed and sent to stdout.
// To prove this, run 'test | zcat'.
os << "Hello, Mommy" << endl;
os << setcompressionlevel( Z_NO_COMPRESSION );
os << "hello, hello, hi, ho!" << endl;
setcompressionlevel( os, Z_DEFAULT_COMPRESSION )
<< "I'm compressing again" << endl;
os.close();
return 0;
}

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src/Kyoto/zlib/contrib/iostream/zfstream.cpp Normal file
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#include <memory.h>
#include "zfstream.h"
gzfilebuf::gzfilebuf() :
file(NULL),
mode(0),
own_file_descriptor(0)
{ }
gzfilebuf::~gzfilebuf() {
sync();
if ( own_file_descriptor )
close();
}
gzfilebuf *gzfilebuf::open( const char *name,
int io_mode ) {
if ( is_open() )
return NULL;
char char_mode[10];
char *p;
memset(char_mode,'\0',10);
p = char_mode;
if ( io_mode & ios::in ) {
mode = ios::in;
*p++ = 'r';
} else if ( io_mode & ios::app ) {
mode = ios::app;
*p++ = 'a';
} else {
mode = ios::out;
*p++ = 'w';
}
if ( io_mode & ios::binary ) {
mode |= ios::binary;
*p++ = 'b';
}
// Hard code the compression level
if ( io_mode & (ios::out|ios::app )) {
*p++ = '9';
}
if ( (file = gzopen(name, char_mode)) == NULL )
return NULL;
own_file_descriptor = 1;
return this;
}
gzfilebuf *gzfilebuf::attach( int file_descriptor,
int io_mode ) {
if ( is_open() )
return NULL;
char char_mode[10];
char *p;
memset(char_mode,'\0',10);
p = char_mode;
if ( io_mode & ios::in ) {
mode = ios::in;
*p++ = 'r';
} else if ( io_mode & ios::app ) {
mode = ios::app;
*p++ = 'a';
} else {
mode = ios::out;
*p++ = 'w';
}
if ( io_mode & ios::binary ) {
mode |= ios::binary;
*p++ = 'b';
}
// Hard code the compression level
if ( io_mode & (ios::out|ios::app )) {
*p++ = '9';
}
if ( (file = gzdopen(file_descriptor, char_mode)) == NULL )
return NULL;
own_file_descriptor = 0;
return this;
}
gzfilebuf *gzfilebuf::close() {
if ( is_open() ) {
sync();
gzclose( file );
file = NULL;
}
return this;
}
int gzfilebuf::setcompressionlevel( short comp_level ) {
return gzsetparams(file, comp_level, -2);
}
int gzfilebuf::setcompressionstrategy( short comp_strategy ) {
return gzsetparams(file, -2, comp_strategy);
}
streampos gzfilebuf::seekoff( streamoff off, ios::seek_dir dir, int which ) {
return streampos(EOF);
}
int gzfilebuf::underflow() {
// If the file hasn't been opened for reading, error.
if ( !is_open() || !(mode & ios::in) )
return EOF;
// if a buffer doesn't exists, allocate one.
if ( !base() ) {
if ( (allocate()) == EOF )
return EOF;
setp(0,0);
} else {
if ( in_avail() )
return (unsigned char) *gptr();
if ( out_waiting() ) {
if ( flushbuf() == EOF )
return EOF;
}
}
// Attempt to fill the buffer.
int result = fillbuf();
if ( result == EOF ) {
// disable get area
setg(0,0,0);
return EOF;
}
return (unsigned char) *gptr();
}
int gzfilebuf::overflow( int c ) {
if ( !is_open() || !(mode & ios::out) )
return EOF;
if ( !base() ) {
if ( allocate() == EOF )
return EOF;
setg(0,0,0);
} else {
if (in_avail()) {
return EOF;
}
if (out_waiting()) {
if (flushbuf() == EOF)
return EOF;
}
}
int bl = blen();
setp( base(), base() + bl);
if ( c != EOF ) {
*pptr() = c;
pbump(1);
}
return 0;
}
int gzfilebuf::sync() {
if ( !is_open() )
return EOF;
if ( out_waiting() )
return flushbuf();
return 0;
}
int gzfilebuf::flushbuf() {
int n;
char *q;
q = pbase();
n = pptr() - q;
if ( gzwrite( file, q, n) < n )
return EOF;
setp(0,0);
return 0;
}
int gzfilebuf::fillbuf() {
int required;
char *p;
p = base();
required = blen();
int t = gzread( file, p, required );
if ( t <= 0) return EOF;
setg( base(), base(), base()+t);
return t;
}
gzfilestream_common::gzfilestream_common() :
ios( gzfilestream_common::rdbuf() )
{ }
gzfilestream_common::~gzfilestream_common()
{ }
void gzfilestream_common::attach( int fd, int io_mode ) {
if ( !buffer.attach( fd, io_mode) )
clear( ios::failbit | ios::badbit );
else
clear();
}
void gzfilestream_common::open( const char *name, int io_mode ) {
if ( !buffer.open( name, io_mode ) )
clear( ios::failbit | ios::badbit );
else
clear();
}
void gzfilestream_common::close() {
if ( !buffer.close() )
clear( ios::failbit | ios::badbit );
}
gzfilebuf *gzfilestream_common::rdbuf() {
return &buffer;
}
gzifstream::gzifstream() :
ios( gzfilestream_common::rdbuf() )
{
clear( ios::badbit );
}
gzifstream::gzifstream( const char *name, int io_mode ) :
ios( gzfilestream_common::rdbuf() )
{
gzfilestream_common::open( name, io_mode );
}
gzifstream::gzifstream( int fd, int io_mode ) :
ios( gzfilestream_common::rdbuf() )
{
gzfilestream_common::attach( fd, io_mode );
}
gzifstream::~gzifstream() { }
gzofstream::gzofstream() :
ios( gzfilestream_common::rdbuf() )
{
clear( ios::badbit );
}
gzofstream::gzofstream( const char *name, int io_mode ) :
ios( gzfilestream_common::rdbuf() )
{
gzfilestream_common::open( name, io_mode );
}
gzofstream::gzofstream( int fd, int io_mode ) :
ios( gzfilestream_common::rdbuf() )
{
gzfilestream_common::attach( fd, io_mode );
}
gzofstream::~gzofstream() { }

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#ifndef _zfstream_h
#define _zfstream_h
#include <fstream.h>
#include "zlib.h"
class gzfilebuf : public streambuf {
public:
gzfilebuf( );
virtual ~gzfilebuf();
gzfilebuf *open( const char *name, int io_mode );
gzfilebuf *attach( int file_descriptor, int io_mode );
gzfilebuf *close();
int setcompressionlevel( short comp_level );
int setcompressionstrategy( short comp_strategy );
inline int is_open() const { return (file !=NULL); }
virtual streampos seekoff( streamoff, ios::seek_dir, int );
virtual int sync();
protected:
virtual int underflow();
virtual int overflow( int = EOF );
private:
gzFile file;
short mode;
short own_file_descriptor;
int flushbuf();
int fillbuf();
};
class gzfilestream_common : virtual public ios {
friend class gzifstream;
friend class gzofstream;
friend gzofstream &setcompressionlevel( gzofstream &, int );
friend gzofstream &setcompressionstrategy( gzofstream &, int );
public:
virtual ~gzfilestream_common();
void attach( int fd, int io_mode );
void open( const char *name, int io_mode );
void close();
protected:
gzfilestream_common();
private:
gzfilebuf *rdbuf();
gzfilebuf buffer;
};
class gzifstream : public gzfilestream_common, public istream {
public:
gzifstream();
gzifstream( const char *name, int io_mode = ios::in );
gzifstream( int fd, int io_mode = ios::in );
virtual ~gzifstream();
};
class gzofstream : public gzfilestream_common, public ostream {
public:
gzofstream();
gzofstream( const char *name, int io_mode = ios::out );
gzofstream( int fd, int io_mode = ios::out );
virtual ~gzofstream();
};
template<class T> class gzomanip {
friend gzofstream &operator<<(gzofstream &, const gzomanip<T> &);
public:
gzomanip(gzofstream &(*f)(gzofstream &, T), T v) : func(f), val(v) { }
private:
gzofstream &(*func)(gzofstream &, T);
T val;
};
template<class T> gzofstream &operator<<(gzofstream &s,
const gzomanip<T> &m) {
return (*m.func)(s, m.val);
}
inline gzofstream &setcompressionlevel( gzofstream &s, int l ) {
(s.rdbuf())->setcompressionlevel(l);
return s;
}
inline gzofstream &setcompressionstrategy( gzofstream &s, int l ) {
(s.rdbuf())->setcompressionstrategy(l);
return s;
}
inline gzomanip<int> setcompressionlevel(int l)
{
return gzomanip<int>(&setcompressionlevel,l);
}
inline gzomanip<int> setcompressionstrategy(int l)
{
return gzomanip<int>(&setcompressionstrategy,l);
}
#endif

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src/Kyoto/zlib/contrib/iostream2/zstream.h Normal file
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/*
*
* Copyright (c) 1997
* Christian Michelsen Research AS
* Advanced Computing
* Fantoftvegen 38, 5036 BERGEN, Norway
* http://www.cmr.no
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Christian Michelsen Research AS makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef ZSTREAM__H
#define ZSTREAM__H
/*
* zstream.h - C++ interface to the 'zlib' general purpose compression library
* $Id: zstream.h 1.1 1997-06-25 12:00:56+02 tyge Exp tyge $
*/
#include <strstream.h>
#include <string.h>
#include <stdio.h>
#include "zlib.h"
#if defined(_WIN32)
# include <fcntl.h>
# include <io.h>
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
#else
# define SET_BINARY_MODE(file)
#endif
class zstringlen {
public:
zstringlen(class izstream&);
zstringlen(class ozstream&, const char*);
size_t value() const { return val.word; }
private:
struct Val { unsigned char byte; size_t word; } val;
};
// ----------------------------- izstream -----------------------------
class izstream
{
public:
izstream() : m_fp(0) {}
izstream(FILE* fp) : m_fp(0) { open(fp); }
izstream(const char* name) : m_fp(0) { open(name); }
~izstream() { close(); }
/* Opens a gzip (.gz) file for reading.
* open() can be used to read a file which is not in gzip format;
* in this case read() will directly read from the file without
* decompression. errno can be checked to distinguish two error
* cases (if errno is zero, the zlib error is Z_MEM_ERROR).
*/
void open(const char* name) {
if (m_fp) close();
m_fp = ::gzopen(name, "rb");
}
void open(FILE* fp) {
SET_BINARY_MODE(fp);
if (m_fp) close();
m_fp = ::gzdopen(fileno(fp), "rb");
}
/* Flushes all pending input if necessary, closes the compressed file
* and deallocates all the (de)compression state. The return value is
* the zlib error number (see function error() below).
*/
int close() {
int r = ::gzclose(m_fp);
m_fp = 0; return r;
}
/* Binary read the given number of bytes from the compressed file.
*/
int read(void* buf, size_t len) {
return ::gzread(m_fp, buf, len);
}
/* Returns the error message for the last error which occurred on the
* given compressed file. errnum is set to zlib error number. If an
* error occurred in the file system and not in the compression library,
* errnum is set to Z_ERRNO and the application may consult errno
* to get the exact error code.
*/
const char* error(int* errnum) {
return ::gzerror(m_fp, errnum);
}
gzFile fp() { return m_fp; }
private:
gzFile m_fp;
};
/*
* Binary read the given (array of) object(s) from the compressed file.
* If the input file was not in gzip format, read() copies the objects number
* of bytes into the buffer.
* returns the number of uncompressed bytes actually read
* (0 for end of file, -1 for error).
*/
template <class T, class Items>
inline int read(izstream& zs, T* x, Items items) {
return ::gzread(zs.fp(), x, items*sizeof(T));
}
/*
* Binary input with the '>' operator.
*/
template <class T>
inline izstream& operator>(izstream& zs, T& x) {
::gzread(zs.fp(), &x, sizeof(T));
return zs;
}
inline zstringlen::zstringlen(izstream& zs) {
zs > val.byte;
if (val.byte == 255) zs > val.word;
else val.word = val.byte;
}
/*
* Read length of string + the string with the '>' operator.
*/
inline izstream& operator>(izstream& zs, char* x) {
zstringlen len(zs);
::gzread(zs.fp(), x, len.value());
x[len.value()] = '\0';
return zs;
}
inline char* read_string(izstream& zs) {
zstringlen len(zs);
char* x = new char[len.value()+1];
::gzread(zs.fp(), x, len.value());
x[len.value()] = '\0';
return x;
}
// ----------------------------- ozstream -----------------------------
class ozstream
{
public:
ozstream() : m_fp(0), m_os(0) {
}
ozstream(FILE* fp, int level = Z_DEFAULT_COMPRESSION)
: m_fp(0), m_os(0) {
open(fp, level);
}
ozstream(const char* name, int level = Z_DEFAULT_COMPRESSION)
: m_fp(0), m_os(0) {
open(name, level);
}
~ozstream() {
close();
}
/* Opens a gzip (.gz) file for writing.
* The compression level parameter should be in 0..9
* errno can be checked to distinguish two error cases
* (if errno is zero, the zlib error is Z_MEM_ERROR).
*/
void open(const char* name, int level = Z_DEFAULT_COMPRESSION) {
char mode[4] = "wb\0";
if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level;
if (m_fp) close();
m_fp = ::gzopen(name, mode);
}
/* open from a FILE pointer.
*/
void open(FILE* fp, int level = Z_DEFAULT_COMPRESSION) {
SET_BINARY_MODE(fp);
char mode[4] = "wb\0";
if (level != Z_DEFAULT_COMPRESSION) mode[2] = '0'+level;
if (m_fp) close();
m_fp = ::gzdopen(fileno(fp), mode);
}
/* Flushes all pending output if necessary, closes the compressed file
* and deallocates all the (de)compression state. The return value is
* the zlib error number (see function error() below).
*/
int close() {
if (m_os) {
::gzwrite(m_fp, m_os->str(), m_os->pcount());
delete[] m_os->str(); delete m_os; m_os = 0;
}
int r = ::gzclose(m_fp); m_fp = 0; return r;
}
/* Binary write the given number of bytes into the compressed file.
*/
int write(const void* buf, size_t len) {
return ::gzwrite(m_fp, (voidp) buf, len);
}
/* Flushes all pending output into the compressed file. The parameter
* _flush is as in the deflate() function. The return value is the zlib
* error number (see function gzerror below). flush() returns Z_OK if
* the flush_ parameter is Z_FINISH and all output could be flushed.
* flush() should be called only when strictly necessary because it can
* degrade compression.
*/
int flush(int _flush) {
os_flush();
return ::gzflush(m_fp, _flush);
}
/* Returns the error message for the last error which occurred on the
* given compressed file. errnum is set to zlib error number. If an
* error occurred in the file system and not in the compression library,
* errnum is set to Z_ERRNO and the application may consult errno
* to get the exact error code.
*/
const char* error(int* errnum) {
return ::gzerror(m_fp, errnum);
}
gzFile fp() { return m_fp; }
ostream& os() {
if (m_os == 0) m_os = new ostrstream;
return *m_os;
}
void os_flush() {
if (m_os && m_os->pcount()>0) {
ostrstream* oss = new ostrstream;
oss->fill(m_os->fill());
oss->flags(m_os->flags());
oss->precision(m_os->precision());
oss->width(m_os->width());
::gzwrite(m_fp, m_os->str(), m_os->pcount());
delete[] m_os->str(); delete m_os; m_os = oss;
}
}
private:
gzFile m_fp;
ostrstream* m_os;
};
/*
* Binary write the given (array of) object(s) into the compressed file.
* returns the number of uncompressed bytes actually written
* (0 in case of error).
*/
template <class T, class Items>
inline int write(ozstream& zs, const T* x, Items items) {
return ::gzwrite(zs.fp(), (voidp) x, items*sizeof(T));
}
/*
* Binary output with the '<' operator.
*/
template <class T>
inline ozstream& operator<(ozstream& zs, const T& x) {
::gzwrite(zs.fp(), (voidp) &x, sizeof(T));
return zs;
}
inline zstringlen::zstringlen(ozstream& zs, const char* x) {
val.byte = 255; val.word = ::strlen(x);
if (val.word < 255) zs < (val.byte = val.word);
else zs < val;
}
/*
* Write length of string + the string with the '<' operator.
*/
inline ozstream& operator<(ozstream& zs, const char* x) {
zstringlen len(zs, x);
::gzwrite(zs.fp(), (voidp) x, len.value());
return zs;
}
#ifdef _MSC_VER
inline ozstream& operator<(ozstream& zs, char* const& x) {
return zs < (const char*) x;
}
#endif
/*
* Ascii write with the << operator;
*/
template <class T>
inline ostream& operator<<(ozstream& zs, const T& x) {
zs.os_flush();
return zs.os() << x;
}
#endif

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src/Kyoto/zlib/contrib/iostream2/zstream_test.cpp Normal file
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#include "zstream.h"
#include <math.h>
#include <stdlib.h>
#include <iomanip.h>
void main() {
char h[256] = "Hello";
char* g = "Goodbye";
ozstream out("temp.gz");
out < "This works well" < h < g;
out.close();
izstream in("temp.gz"); // read it back
char *x = read_string(in), *y = new char[256], z[256];
in > y > z;
in.close();
cout << x << endl << y << endl << z << endl;
out.open("temp.gz"); // try ascii output; zcat temp.gz to see the results
out << setw(50) << setfill('#') << setprecision(20) << x << endl << y << endl << z << endl;
out << z << endl << y << endl << x << endl;
out << 1.1234567890123456789 << endl;
delete[] x; delete[] y;
}

38
src/Kyoto/zlib/contrib/minizip/ChangeLogUnzip Normal file
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Change in 0.15: (19 Mar 98)
- fix memory leak in minizip.c
Change in 0.14: (10 Mar 98)
- fix bugs in minizip.c sample for zipping big file
- fix problem in month in date handling
- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for
comment handling
Change in 0.13: (6 Mar 98)
- fix bugs in zip.c
- add real minizip sample
Change in 0.12: (4 Mar 98)
- add zip.c and zip.h for creates .zip file
- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly)
- fix miniunz.c for file without specific record for directory
Change in 0.11: (3 Mar 98)
- fix bug in unzGetCurrentFileInfo for get extra field and comment
- enhance miniunz sample, remove the bad unztst.c sample
Change in 0.10: (2 Mar 98)
- fix bug in unzReadCurrentFile
- rename unzip* to unz* function and structure
- remove Windows-like hungary notation variable name
- modify some structure in unzip.h
- add somes comment in source
- remove unzipGetcCurrentFile function
- replace ZUNZEXPORT by ZEXPORT
- add unzGetLocalExtrafield for get the local extrafield info
- add a new sample, miniunz.c
Change in 0.4: (25 Feb 98)
- suppress the type unzipFileInZip.
Only on file in the zipfile can be open at the same time
- fix somes typo in code
- added tm_unz structure in unzip_file_info (date/time in readable format)

25
src/Kyoto/zlib/contrib/minizip/Makefile Normal file
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CC=gcc
CFLAGS=-O -I../.. -L../..
UNZ_OBJS = miniunz.o unzip.o -lz
ZIP_OBJS = minizip.o zip.o -lz
.c.o:
$(CC) -c $(CFLAGS) $*.c
all: miniunz minizip
miniunz: $(UNZ_OBJS)
$(CC) $(CFLAGS) -o $@ $(UNZ_OBJS)
minizip: $(ZIP_OBJS)
$(CC) $(CFLAGS) -o $@ $(ZIP_OBJS)
test: miniunz minizip
./minizip test readme.txt
./miniunz -l test.zip
mv readme.txt readme.old
./miniunz test.zip
clean:
/bin/rm -f *.o *~ minizip miniunz

509
src/Kyoto/zlib/contrib/minizip/miniunz.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#ifdef unix
# include <unistd.h>
# include <utime.h>
#else
# include <direct.h>
# include <io.h>
#endif
#include <windows.h>
#include "unzip.h"
#define CASESENSITIVITY (0)
#define WRITEBUFFERSIZE (8192)
/*
mini unzip, demo of unzip package
usage :
Usage : miniunz [-exvlo] file.zip [file_to_extract]
list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT
if it exists
*/
/* change_file_date : change the date/time of a file
filename : the filename of the file where date/time must be modified
dosdate : the new date at the MSDos format (4 bytes)
tmu_date : the SAME new date at the tm_unz format */
void change_file_date(filename,dosdate,tmu_date)
const char *filename;
uLong dosdate;
tm_unz tmu_date;
{
#ifdef WIN32
HANDLE hFile;
FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE,
0,NULL,OPEN_EXISTING,0,NULL);
GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
LocalFileTimeToFileTime(&ftLocal,&ftm);
SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
CloseHandle(hFile);
#else
#ifdef unix
struct utimbuf ut;
struct tm newdate;
newdate.tm_sec = tmu_date.tm_sec;
newdate.tm_min=tmu_date.tm_min;
newdate.tm_hour=tmu_date.tm_hour;
newdate.tm_mday=tmu_date.tm_mday;
newdate.tm_mon=tmu_date.tm_mon;
if (tmu_date.tm_year > 1900)
newdate.tm_year=tmu_date.tm_year - 1900;
else
newdate.tm_year=tmu_date.tm_year ;
newdate.tm_isdst=-1;
ut.actime=ut.modtime=mktime(&newdate);
utime(filename,&ut);
#endif
#endif
}
/* mymkdir and change_file_date are not 100 % portable
As I don't know well Unix, I wait feedback for the unix portion */
int mymkdir(dirname)
const char* dirname;
{
int ret=0;
#ifdef WIN32
ret = mkdir(dirname);
#else
#ifdef unix
ret = mkdir (dirname,0775);
#endif
#endif
return ret;
}
int makedir (newdir)
char *newdir;
{
char *buffer ;
char *p;
int len = strlen(newdir);
if (len <= 0)
return 0;
buffer = (char*)malloc(len+1);
strcpy(buffer,newdir);
if (buffer[len-1] == '/') {
buffer[len-1] = '\0';
}
if (mymkdir(buffer) == 0)
{
free(buffer);
return 1;
}
p = buffer+1;
while (1)
{
char hold;
while(*p && *p != '\\' && *p != '/')
p++;
hold = *p;
*p = 0;
if ((mymkdir(buffer) == -1) && (errno == ENOENT))
{
printf("couldn't create directory %s\n",buffer);
free(buffer);
return 0;
}
if (hold == 0)
break;
*p++ = hold;
}
free(buffer);
return 1;
}
void do_banner()
{
printf("MiniUnz 0.15, demo of zLib + Unz package written by Gilles Vollant\n");
printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
}
void do_help()
{
printf("Usage : miniunz [-exvlo] file.zip [file_to_extract]\n\n") ;
}
int do_list(uf)
unzFile uf;
{
uLong i;
unz_global_info gi;
int err;
err = unzGetGlobalInfo (uf,&gi);
if (err!=UNZ_OK)
printf("error %d with zipfile in unzGetGlobalInfo \n",err);
printf(" Length Method Size Ratio Date Time CRC-32 Name\n");
printf(" ------ ------ ---- ----- ---- ---- ------ ----\n");
for (i=0;i<gi.number_entry;i++)
{
char filename_inzip[256];
unz_file_info file_info;
uLong ratio=0;
const char *string_method;
err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
break;
}
if (file_info.uncompressed_size>0)
ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
if (file_info.compression_method==0)
string_method="Stored";
else
if (file_info.compression_method==Z_DEFLATED)
{
uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
if (iLevel==0)
string_method="Defl:N";
else if (iLevel==1)
string_method="Defl:X";
else if ((iLevel==2) || (iLevel==3))
string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
}
else
string_method="Unkn. ";
printf("%7lu %6s %7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n",
file_info.uncompressed_size,string_method,file_info.compressed_size,
ratio,
(uLong)file_info.tmu_date.tm_mon + 1,
(uLong)file_info.tmu_date.tm_mday,
(uLong)file_info.tmu_date.tm_year % 100,
(uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
(uLong)file_info.crc,filename_inzip);
if ((i+1)<gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzGoToNextFile\n",err);
break;
}
}
}
return 0;
}
int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite)
unzFile uf;
const int* popt_extract_without_path;
int* popt_overwrite;
{
char filename_inzip[256];
char* filename_withoutpath;
char* p;
int err=UNZ_OK;
FILE *fout=NULL;
void* buf;
uInt size_buf;
unz_file_info file_info;
uLong ratio=0;
err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
return err;
}
size_buf = WRITEBUFFERSIZE;
buf = (void*)malloc(size_buf);
if (buf==NULL)
{
printf("Error allocating memory\n");
return UNZ_INTERNALERROR;
}
p = filename_withoutpath = filename_inzip;
while ((*p) != '\0')
{
if (((*p)=='/') || ((*p)=='\\'))
filename_withoutpath = p+1;
p++;
}
if ((*filename_withoutpath)=='\0')
{
if ((*popt_extract_without_path)==0)
{
printf("creating directory: %s\n",filename_inzip);
mymkdir(filename_inzip);
}
}
else
{
const char* write_filename;
int skip=0;
if ((*popt_extract_without_path)==0)
write_filename = filename_inzip;
else
write_filename = filename_withoutpath;
err = unzOpenCurrentFile(uf);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzOpenCurrentFile\n",err);
}
if (((*popt_overwrite)==0) && (err==UNZ_OK))
{
char rep;
FILE* ftestexist;
ftestexist = fopen(write_filename,"rb");
if (ftestexist!=NULL)
{
fclose(ftestexist);
do
{
char answer[128];
printf("The file %s exist. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
scanf("%1s",answer);
rep = answer[0] ;
if ((rep>='a') && (rep<='z'))
rep -= 0x20;
}
while ((rep!='Y') && (rep!='N') && (rep!='A'));
}
if (rep == 'N')
skip = 1;
if (rep == 'A')
*popt_overwrite=1;
}
if ((skip==0) && (err==UNZ_OK))
{
fout=fopen(write_filename,"wb");
/* some zipfile don't contain directory alone before file */
if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
(filename_withoutpath!=(char*)filename_inzip))
{
char c=*(filename_withoutpath-1);
*(filename_withoutpath-1)='\0';
makedir(write_filename);
*(filename_withoutpath-1)=c;
fout=fopen(write_filename,"wb");
}
if (fout==NULL)
{
printf("error opening %s\n",write_filename);
}
}
if (fout!=NULL)
{
printf(" extracting: %s\n",write_filename);
do
{
err = unzReadCurrentFile(uf,buf,size_buf);
if (err<0)
{
printf("error %d with zipfile in unzReadCurrentFile\n",err);
break;
}
if (err>0)
if (fwrite(buf,err,1,fout)!=1)
{
printf("error in writing extracted file\n");
err=UNZ_ERRNO;
break;
}
}
while (err>0);
fclose(fout);
if (err==0)
change_file_date(write_filename,file_info.dosDate,
file_info.tmu_date);
}
if (err==UNZ_OK)
{
err = unzCloseCurrentFile (uf);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzCloseCurrentFile\n",err);
}
}
else
unzCloseCurrentFile(uf); /* don't lose the error */
}
free(buf);
return err;
}
int do_extract(uf,opt_extract_without_path,opt_overwrite)
unzFile uf;
int opt_extract_without_path;
int opt_overwrite;
{
uLong i;
unz_global_info gi;
int err;
FILE* fout=NULL;
err = unzGetGlobalInfo (uf,&gi);
if (err!=UNZ_OK)
printf("error %d with zipfile in unzGetGlobalInfo \n",err);
for (i=0;i<gi.number_entry;i++)
{
if (do_extract_currentfile(uf,&opt_extract_without_path,
&opt_overwrite) != UNZ_OK)
break;
if ((i+1)<gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err!=UNZ_OK)
{
printf("error %d with zipfile in unzGoToNextFile\n",err);
break;
}
}
}
return 0;
}
int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite)
unzFile uf;
const char* filename;
int opt_extract_without_path;
int opt_overwrite;
{
int err = UNZ_OK;
if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
{
printf("file %s not found in the zipfile\n",filename);
return 2;
}
if (do_extract_currentfile(uf,&opt_extract_without_path,
&opt_overwrite) == UNZ_OK)
return 0;
else
return 1;
}
int main(argc,argv)
int argc;
char *argv[];
{
const char *zipfilename=NULL;
const char *filename_to_extract=NULL;
int i;
int opt_do_list=0;
int opt_do_extract=1;
int opt_do_extract_withoutpath=0;
int opt_overwrite=0;
char filename_try[512];
unzFile uf=NULL;
do_banner();
if (argc==1)
{
do_help();
exit(0);
}
else
{
for (i=1;i<argc;i++)
{
if ((*argv[i])=='-')
{
const char *p=argv[i]+1;
while ((*p)!='\0')
{
char c=*(p++);;
if ((c=='l') || (c=='L'))
opt_do_list = 1;
if ((c=='v') || (c=='V'))
opt_do_list = 1;
if ((c=='x') || (c=='X'))
opt_do_extract = 1;
if ((c=='e') || (c=='E'))
opt_do_extract = opt_do_extract_withoutpath = 1;
if ((c=='o') || (c=='O'))
opt_overwrite=1;
}
}
else
{
if (zipfilename == NULL)
zipfilename = argv[i];
else if (filename_to_extract==NULL)
filename_to_extract = argv[i] ;
}
}
}
if (zipfilename!=NULL)
{
strcpy(filename_try,zipfilename);
uf = unzOpen(zipfilename);
if (uf==NULL)
{
strcat(filename_try,".zip");
uf = unzOpen(filename_try);
}
}
if (uf==NULL)
{
printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
exit (1);
}
printf("%s opened\n",filename_try);
if (opt_do_list==1)
return do_list(uf);
else if (opt_do_extract==1)
{
if (filename_to_extract == NULL)
return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite);
else
return do_extract_onefile(uf,filename_to_extract,
opt_do_extract_withoutpath,opt_overwrite);
}
unzCloseCurrentFile(uf);
return 0; /* to avoid warning */
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#ifdef unix
# include <unistd.h>
# include <utime.h>
# include <sys/types.h>
# include <sys/stat.h>
#else
# include <direct.h>
# include <io.h>
#endif
#include <windows.h>
#include "zip.h"
#define WRITEBUFFERSIZE (16384)
#define MAXFILENAME (256)
#ifdef WIN32
uLong filetime(f, tmzip, dt)
char *f; /* name of file to get info on */
tm_zip *tmzip; /* return value: access, modific. and creation times */
uLong *dt; /* dostime */
{
int ret = 0;
{
FILETIME ftLocal;
HANDLE hFind;
WIN32_FIND_DATA ff32;
hFind = FindFirstFile(f,&ff32);
if (hFind != INVALID_HANDLE_VALUE)
{
FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
FindClose(hFind);
ret = 1;
}
}
return ret;
}
#else
#ifdef unix
uLong filetime(f, tmzip, dt)
char *f; /* name of file to get info on */
tm_zip *tmzip; /* return value: access, modific. and creation times */
uLong *dt; /* dostime */
{
int ret=0;
struct stat s; /* results of stat() */
struct tm* filedate;
time_t tm_t=0;
if (strcmp(f,"-")!=0)
{
char name[MAXFILENAME];
int len = strlen(f);
strcpy(name, f);
if (name[len - 1] == '/')
name[len - 1] = '\0';
/* not all systems allow stat'ing a file with / appended */
if (stat(name,&s)==0)
{
tm_t = s.st_mtime;
ret = 1;
}
}
filedate = localtime(&tm_t);
tmzip->tm_sec = filedate->tm_sec;
tmzip->tm_min = filedate->tm_min;
tmzip->tm_hour = filedate->tm_hour;
tmzip->tm_mday = filedate->tm_mday;
tmzip->tm_mon = filedate->tm_mon ;
tmzip->tm_year = filedate->tm_year;
return ret;
}
#else
uLong filetime(f, tmzip, dt)
char *f; /* name of file to get info on */
tm_zip *tmzip; /* return value: access, modific. and creation times */
uLong *dt; /* dostime */
{
return 0;
}
#endif
#endif
int check_exist_file(filename)
const char* filename;
{
FILE* ftestexist;
int ret = 1;
ftestexist = fopen(filename,"rb");
if (ftestexist==NULL)
ret = 0;
else
fclose(ftestexist);
return ret;
}
void do_banner()
{
printf("MiniZip 0.15, demo of zLib + Zip package written by Gilles Vollant\n");
printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
}
void do_help()
{
printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;
}
int main(argc,argv)
int argc;
char *argv[];
{
int i;
int opt_overwrite=0;
int opt_compress_level=Z_DEFAULT_COMPRESSION;
int zipfilenamearg = 0;
char filename_try[MAXFILENAME];
int zipok;
int err=0;
int size_buf=0;
void* buf=NULL,
do_banner();
if (argc==1)
{
do_help();
exit(0);
return 0;
}
else
{
for (i=1;i<argc;i++)
{
if ((*argv[i])=='-')
{
const char *p=argv[i]+1;
while ((*p)!='\0')
{
char c=*(p++);;
if ((c=='o') || (c=='O'))
opt_overwrite = 1;
if ((c>='0') && (c<='9'))
opt_compress_level = c-'0';
}
}
else
if (zipfilenamearg == 0)
zipfilenamearg = i ;
}
}
size_buf = WRITEBUFFERSIZE;
buf = (void*)malloc(size_buf);
if (buf==NULL)
{
printf("Error allocating memory\n");
return ZIP_INTERNALERROR;
}
if (zipfilenamearg==0)
zipok=0;
else
{
int i,len;
int dot_found=0;
zipok = 1 ;
strcpy(filename_try,argv[zipfilenamearg]);
len=strlen(filename_try);
for (i=0;i<len;i++)
if (filename_try[i]=='.')
dot_found=1;
if (dot_found==0)
strcat(filename_try,".zip");
if (opt_overwrite==0)
if (check_exist_file(filename_try)!=0)
{
char rep;
do
{
char answer[128];
printf("The file %s exist. Overwrite ? [y]es, [n]o : ",filename_try);
scanf("%1s",answer);
rep = answer[0] ;
if ((rep>='a') && (rep<='z'))
rep -= 0x20;
}
while ((rep!='Y') && (rep!='N'));
if (rep=='N')
zipok = 0;
}
}
if (zipok==1)
{
zipFile zf;
int errclose;
zf = zipOpen(filename_try,0);
if (zf == NULL)
{
printf("error opening %s\n",filename_try);
err= ZIP_ERRNO;
}
else
printf("creating %s\n",filename_try);
for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
{
if (((*(argv[i]))!='-') && ((*(argv[i]))!='/'))
{
FILE * fin;
int size_read;
const char* filenameinzip = argv[i];
zip_fileinfo zi;
zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
zi.tmz_date.tm_mday = zi.tmz_date.tm_min = zi.tmz_date.tm_year = 0;
zi.dosDate = 0;
zi.internal_fa = 0;
zi.external_fa = 0;
filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
NULL,0,NULL,0,NULL /* comment*/,
(opt_compress_level != 0) ? Z_DEFLATED : 0,
opt_compress_level);
if (err != ZIP_OK)
printf("error in opening %s in zipfile\n",filenameinzip);
else
{
fin = fopen(filenameinzip,"rb");
if (fin==NULL)
{
err=ZIP_ERRNO;
printf("error in opening %s for reading\n",filenameinzip);
}
}
if (err == ZIP_OK)
do
{
err = ZIP_OK;
size_read = fread(buf,1,size_buf,fin);
if (size_read < size_buf)
if (feof(fin)==0)
{
printf("error in reading %s\n",filenameinzip);
err = ZIP_ERRNO;
}
if (size_read>0)
{
err = zipWriteInFileInZip (zf,buf,size_read);
if (err<0)
{
printf("error in writing %s in the zipfile\n",
filenameinzip);
}
}
} while ((err == ZIP_OK) && (size_read>0));
fclose(fin);
if (err<0)
err=ZIP_ERRNO;
else
{
err = zipCloseFileInZip(zf);
if (err!=ZIP_OK)
printf("error in closing %s in the zipfile\n",
filenameinzip);
}
}
}
errclose = zipClose(zf,NULL);
if (errclose != ZIP_OK)
printf("error in closing %s\n",filename_try);
}
free(buf);
exit(0);
return 0; /* to avoid warning */
}

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UnZip 0.15 additionnal library
This unzip package allow extract file from .ZIP file, compatible with
PKZip 2.04g, WinZip, InfoZip tools and compatible.
Multi volume ZipFile (span) are not supported, and old compression used by old
PKZip 1.x are not supported.
See probdesc.zip from PKWare for specification of .ZIP format.
What is Unzip
The Zlib library support the deflate compression and the creation of gzip (.gz)
file. Zlib is free and small.
The .Zip format, which can contain several compressed files (.gz can containt
only one file) is a very popular format. This is why I've written a package for reading file compressed in Zipfile.
Using Unzip package
You need source of Zlib (get zlib111.zip and read zlib.h).
Get unzlb015.zip and read unzip.h (whith documentation of unzip functions)
The Unzip package is only two file : unzip.h and unzip.c. But it use the Zlib
files.
unztst.c is a simple sample program, which list file in a zipfile and display
README.TXT or FILE_ID.DIZ (if these files are found).
miniunz.c is a mini unzip program.
I'm also currenlyt writing a zipping portion (zip.h, zip.c and test with minizip.c)
Please email me for feedback.
I hope my source is compatible with Unix system, but I need your help for be sure
Latest revision : Mar 04th, 1998
Check http://www.winimage.com/zLibDll/unzip.html for up to date info.

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unzOpen @61
unzClose @62
unzGetGlobalInfo @63
unzGetCurrentFileInfo @64
unzGoToFirstFile @65
unzGoToNextFile @66
unzOpenCurrentFile @67
unzReadCurrentFile @68
unztell @70
unzeof @71
unzCloseCurrentFile @72
unzGetGlobalComment @73
unzStringFileNameCompare @74
unzLocateFile @75
unzGetLocalExtrafield @76

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/* unzip.h -- IO for uncompress .zip files using zlib
Version 0.15 beta, Mar 19th, 1998,
Copyright (C) 1998 Gilles Vollant
This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Encryption and multi volume ZipFile (span) are not supported.
Old compressions used by old PKZip 1.x are not supported
THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
CAN CHANGE IN FUTURE VERSION !!
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip */
#ifndef _unz_H
#define _unz_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
#define UNZ_EOF (0)
#define UNZ_PARAMERROR (-102)
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_unz;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
const char* fileName2,
int iCaseSensitivity));
/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
*/
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
"zlib/zlib111.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
*/
extern int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *pglobal_info));
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
char *szComment,
uLong uSizeBuf));
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzGoToNextFile OF((unzFile file));
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize));
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if somes bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
*/
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
voidp buf,
unsigned len));
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */

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/* zip.c -- IO on .zip files using zlib
Version 0.15 beta, Mar 19th, 1998,
Read zip.h for more info
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zlib.h"
#include "zip.h"
#include "zutil.h"
#ifdef STDC
# include <stddef.h>
# include <string.h>
# include <stdlib.h>
#endif
#ifdef NO_ERRNO_H
extern int errno;
#else
# include <errno.h>
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
#ifndef VERSIONMADEBY
# define VERSIONMADEBY (0x0) /* platform depedent */
#endif
#ifndef Z_BUFSIZE
#define Z_BUFSIZE (16384)
#endif
#ifndef Z_MAXFILENAMEINZIP
#define Z_MAXFILENAMEINZIP (256)
#endif
#ifndef ALLOC
# define ALLOC(size) (malloc(size))
#endif
#ifndef TRYFREE
# define TRYFREE(p) {if (p) free(p);}
#endif
/*
#define SIZECENTRALDIRITEM (0x2e)
#define SIZEZIPLOCALHEADER (0x1e)
*/
/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
const char zip_copyright[] =
" zip 0.15 Copyright 1998 Gilles Vollant ";
#define SIZEDATA_INDATABLOCK (4096-(4*4))
#define LOCALHEADERMAGIC (0x04034b50)
#define CENTRALHEADERMAGIC (0x02014b50)
#define ENDHEADERMAGIC (0x06054b50)
#define FLAG_LOCALHEADER_OFFSET (0x06)
#define CRC_LOCALHEADER_OFFSET (0x0e)
#define SIZECENTRALHEADER (0x2e) /* 46 */
typedef struct linkedlist_datablock_internal_s
{
struct linkedlist_datablock_internal_s* next_datablock;
uLong avail_in_this_block;
uLong filled_in_this_block;
uLong unused; /* for future use and alignement */
unsigned char data[SIZEDATA_INDATABLOCK];
} linkedlist_datablock_internal;
typedef struct linkedlist_data_s
{
linkedlist_datablock_internal* first_block;
linkedlist_datablock_internal* last_block;
} linkedlist_data;
typedef struct
{
z_stream stream; /* zLib stream structure for inflate */
int stream_initialised; /* 1 is stream is initialised */
uInt pos_in_buffered_data; /* last written byte in buffered_data */
uLong pos_local_header; /* offset of the local header of the file
currenty writing */
char* central_header; /* central header data for the current file */
uLong size_centralheader; /* size of the central header for cur file */
uLong flag; /* flag of the file currently writing */
int method; /* compression method of file currenty wr.*/
Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
uLong dosDate;
uLong crc32;
} curfile_info;
typedef struct
{
FILE * filezip;
linkedlist_data central_dir;/* datablock with central dir in construction*/
int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
curfile_info ci; /* info on the file curretly writing */
uLong begin_pos; /* position of the beginning of the zipfile */
uLong number_entry;
} zip_internal;
local linkedlist_datablock_internal* allocate_new_datablock()
{
linkedlist_datablock_internal* ldi;
ldi = (linkedlist_datablock_internal*)
ALLOC(sizeof(linkedlist_datablock_internal));
if (ldi!=NULL)
{
ldi->next_datablock = NULL ;
ldi->filled_in_this_block = 0 ;
ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
}
return ldi;
}
local void free_datablock(ldi)
linkedlist_datablock_internal* ldi;
{
while (ldi!=NULL)
{
linkedlist_datablock_internal* ldinext = ldi->next_datablock;
TRYFREE(ldi);
ldi = ldinext;
}
}
local void init_linkedlist(ll)
linkedlist_data* ll;
{
ll->first_block = ll->last_block = NULL;
}
local void free_linkedlist(ll)
linkedlist_data* ll;
{
free_datablock(ll->first_block);
ll->first_block = ll->last_block = NULL;
}
local int add_data_in_datablock(ll,buf,len)
linkedlist_data* ll;
const void* buf;
uLong len;
{
linkedlist_datablock_internal* ldi;
const unsigned char* from_copy;
if (ll==NULL)
return ZIP_INTERNALERROR;
if (ll->last_block == NULL)
{
ll->first_block = ll->last_block = allocate_new_datablock();
if (ll->first_block == NULL)
return ZIP_INTERNALERROR;
}
ldi = ll->last_block;
from_copy = (unsigned char*)buf;
while (len>0)
{
uInt copy_this;
uInt i;
unsigned char* to_copy;
if (ldi->avail_in_this_block==0)
{
ldi->next_datablock = allocate_new_datablock();
if (ldi->next_datablock == NULL)
return ZIP_INTERNALERROR;
ldi = ldi->next_datablock ;
ll->last_block = ldi;
}
if (ldi->avail_in_this_block < len)
copy_this = (uInt)ldi->avail_in_this_block;
else
copy_this = (uInt)len;
to_copy = &(ldi->data[ldi->filled_in_this_block]);
for (i=0;i<copy_this;i++)
*(to_copy+i)=*(from_copy+i);
ldi->filled_in_this_block += copy_this;
ldi->avail_in_this_block -= copy_this;
from_copy += copy_this ;
len -= copy_this;
}
return ZIP_OK;
}
local int write_datablock(fout,ll)
FILE * fout;
linkedlist_data* ll;
{
linkedlist_datablock_internal* ldi;
ldi = ll->first_block;
while (ldi!=NULL)
{
if (ldi->filled_in_this_block > 0)
if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,1,fout)!=1)
return ZIP_ERRNO;
ldi = ldi->next_datablock;
}
return ZIP_OK;
}
/****************************************************************************/
/* ===========================================================================
Outputs a long in LSB order to the given file
nbByte == 1, 2 or 4 (byte, short or long)
*/
local int ziplocal_putValue OF((FILE *file, uLong x, int nbByte));
local int ziplocal_putValue (file, x, nbByte)
FILE *file;
uLong x;
int nbByte;
{
unsigned char buf[4];
int n;
for (n = 0; n < nbByte; n++) {
buf[n] = (unsigned char)(x & 0xff);
x >>= 8;
}
if (fwrite(buf,nbByte,1,file)!=1)
return ZIP_ERRNO;
else
return ZIP_OK;
}
local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte));
local void ziplocal_putValue_inmemory (dest, x, nbByte)
void* dest;
uLong x;
int nbByte;
{
unsigned char* buf=(unsigned char*)dest;
int n;
for (n = 0; n < nbByte; n++) {
buf[n] = (unsigned char)(x & 0xff);
x >>= 8;
}
}
/****************************************************************************/
local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
tm_zip* ptm;
uLong dosDate;
{
uLong year = (uLong)ptm->tm_year;
if (year>1980)
year-=1980;
else if (year>80)
year-=80;
return
(uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
}
/****************************************************************************/
extern zipFile ZEXPORT zipOpen (pathname, append)
const char *pathname;
int append;
{
zip_internal ziinit;
zip_internal* zi;
ziinit.filezip = fopen(pathname,(append == 0) ? "wb" : "ab");
if (ziinit.filezip == NULL)
return NULL;
ziinit.begin_pos = ftell(ziinit.filezip);
ziinit.in_opened_file_inzip = 0;
ziinit.ci.stream_initialised = 0;
ziinit.number_entry = 0;
init_linkedlist(&(ziinit.central_dir));
zi = (zip_internal*)ALLOC(sizeof(zip_internal));
if (zi==NULL)
{
fclose(ziinit.filezip);
return NULL;
}
*zi = ziinit;
return (zipFile)zi;
}
extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
extrafield_local, size_extrafield_local,
extrafield_global, size_extrafield_global,
comment, method, level)
zipFile file;
const char* filename;
const zip_fileinfo* zipfi;
const void* extrafield_local;
uInt size_extrafield_local;
const void* extrafield_global;
uInt size_extrafield_global;
const char* comment;
int method;
int level;
{
zip_internal* zi;
uInt size_filename;
uInt size_comment;
uInt i;
int err = ZIP_OK;
if (file == NULL)
return ZIP_PARAMERROR;
if ((method!=0) && (method!=Z_DEFLATED))
return ZIP_PARAMERROR;
zi = (zip_internal*)file;
if (zi->in_opened_file_inzip == 1)
{
err = zipCloseFileInZip (file);
if (err != ZIP_OK)
return err;
}
if (filename==NULL)
filename="-";
if (comment==NULL)
size_comment = 0;
else
size_comment = strlen(comment);
size_filename = strlen(filename);
if (zipfi == NULL)
zi->ci.dosDate = 0;
else
{
if (zipfi->dosDate != 0)
zi->ci.dosDate = zipfi->dosDate;
else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
}
zi->ci.flag = 0;
if ((level==8) || (level==9))
zi->ci.flag |= 2;
if ((level==2))
zi->ci.flag |= 4;
if ((level==1))
zi->ci.flag |= 6;
zi->ci.crc32 = 0;
zi->ci.method = method;
zi->ci.stream_initialised = 0;
zi->ci.pos_in_buffered_data = 0;
zi->ci.pos_local_header = ftell(zi->filezip);
zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
size_extrafield_global + size_comment;
zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);
/* version info */
ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2);
ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);
ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);
ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);
ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);
ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/
ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/
ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/
ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);
ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);
ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);
ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
if (zipfi==NULL)
ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
else
ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
if (zipfi==NULL)
ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
else
ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header,4);
for (i=0;i<size_filename;i++)
*(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
for (i=0;i<size_extrafield_global;i++)
*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
*(((const char*)extrafield_global)+i);
for (i=0;i<size_comment;i++)
*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
size_extrafield_global+i) = *(filename+i);
if (zi->ci.central_header == NULL)
return ZIP_INTERNALERROR;
/* write the local header */
err = ziplocal_putValue(zi->filezip,(uLong)LOCALHEADERMAGIC,4);
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)20,2);/* version needed to extract */
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.flag,2);
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.method,2);
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.dosDate,4);
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* crc 32, unknown */
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* compressed size, unknown */
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* uncompressed size, unknown */
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)size_filename,2);
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)size_extrafield_local,2);
if ((err==ZIP_OK) && (size_filename>0))
if (fwrite(filename,(uInt)size_filename,1,zi->filezip)!=1)
err = ZIP_ERRNO;
if ((err==ZIP_OK) && (size_extrafield_local>0))
if (fwrite(extrafield_local,(uInt)size_extrafield_local,1,zi->filezip)
!=1)
err = ZIP_ERRNO;
zi->ci.stream.avail_in = (uInt)0;
zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
zi->ci.stream.next_out = zi->ci.buffered_data;
zi->ci.stream.total_in = 0;
zi->ci.stream.total_out = 0;
if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED))
{
zi->ci.stream.zalloc = (alloc_func)0;
zi->ci.stream.zfree = (free_func)0;
zi->ci.stream.opaque = (voidpf)0;
err = deflateInit2(&zi->ci.stream, level,
Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, 0);
if (err==Z_OK)
zi->ci.stream_initialised = 1;
}
if (err==Z_OK)
zi->in_opened_file_inzip = 1;
return err;
}
extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
zipFile file;
const voidp buf;
unsigned len;
{
zip_internal* zi;
int err=ZIP_OK;
if (file == NULL)
return ZIP_PARAMERROR;
zi = (zip_internal*)file;
if (zi->in_opened_file_inzip == 0)
return ZIP_PARAMERROR;
zi->ci.stream.next_in = buf;
zi->ci.stream.avail_in = len;
zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
{
if (zi->ci.stream.avail_out == 0)
{
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
!=1)
err = ZIP_ERRNO;
zi->ci.pos_in_buffered_data = 0;
zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
zi->ci.stream.next_out = zi->ci.buffered_data;
}
if (zi->ci.method == Z_DEFLATED)
{
uLong uTotalOutBefore = zi->ci.stream.total_out;
err=deflate(&zi->ci.stream, Z_NO_FLUSH);
zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
}
else
{
uInt copy_this,i;
if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
copy_this = zi->ci.stream.avail_in;
else
copy_this = zi->ci.stream.avail_out;
for (i=0;i<copy_this;i++)
*(((char*)zi->ci.stream.next_out)+i) =
*(((const char*)zi->ci.stream.next_in)+i);
{
zi->ci.stream.avail_in -= copy_this;
zi->ci.stream.avail_out-= copy_this;
zi->ci.stream.next_in+= copy_this;
zi->ci.stream.next_out+= copy_this;
zi->ci.stream.total_in+= copy_this;
zi->ci.stream.total_out+= copy_this;
zi->ci.pos_in_buffered_data += copy_this;
}
}
}
return 0;
}
extern int ZEXPORT zipCloseFileInZip (file)
zipFile file;
{
zip_internal* zi;
int err=ZIP_OK;
if (file == NULL)
return ZIP_PARAMERROR;
zi = (zip_internal*)file;
if (zi->in_opened_file_inzip == 0)
return ZIP_PARAMERROR;
zi->ci.stream.avail_in = 0;
if (zi->ci.method == Z_DEFLATED)
while (err==ZIP_OK)
{
uLong uTotalOutBefore;
if (zi->ci.stream.avail_out == 0)
{
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
!=1)
err = ZIP_ERRNO;
zi->ci.pos_in_buffered_data = 0;
zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
zi->ci.stream.next_out = zi->ci.buffered_data;
}
uTotalOutBefore = zi->ci.stream.total_out;
err=deflate(&zi->ci.stream, Z_FINISH);
zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
}
if (err==Z_STREAM_END)
err=ZIP_OK; /* this is normal */
if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
!=1)
err = ZIP_ERRNO;
if ((zi->ci.method == Z_DEFLATED) && (err==ZIP_OK))
{
err=deflateEnd(&zi->ci.stream);
zi->ci.stream_initialised = 0;
}
ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)zi->ci.crc32,4); /*crc*/
ziplocal_putValue_inmemory(zi->ci.central_header+20,
(uLong)zi->ci.stream.total_out,4); /*compr size*/
ziplocal_putValue_inmemory(zi->ci.central_header+24,
(uLong)zi->ci.stream.total_in,4); /*uncompr size*/
if (err==ZIP_OK)
err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
(uLong)zi->ci.size_centralheader);
free(zi->ci.central_header);
if (err==ZIP_OK)
{
long cur_pos_inzip = ftell(zi->filezip);
if (fseek(zi->filezip,
zi->ci.pos_local_header + 14,SEEK_SET)!=0)
err = ZIP_ERRNO;
if (err==ZIP_OK)
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.crc32,4); /* crc 32, unknown */
if (err==ZIP_OK) /* compressed size, unknown */
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_out,4);
if (err==ZIP_OK) /* uncompressed size, unknown */
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_in,4);
if (fseek(zi->filezip,
cur_pos_inzip,SEEK_SET)!=0)
err = ZIP_ERRNO;
}
zi->number_entry ++;
zi->in_opened_file_inzip = 0;
return err;
}
extern int ZEXPORT zipClose (file, global_comment)
zipFile file;
const char* global_comment;
{
zip_internal* zi;
int err = 0;
uLong size_centraldir = 0;
uLong centraldir_pos_inzip ;
uInt size_global_comment;
if (file == NULL)
return ZIP_PARAMERROR;
zi = (zip_internal*)file;
if (zi->in_opened_file_inzip == 1)
{
err = zipCloseFileInZip (file);
}
if (global_comment==NULL)
size_global_comment = 0;
else
size_global_comment = strlen(global_comment);
centraldir_pos_inzip = ftell(zi->filezip);
if (err==ZIP_OK)
{
linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
while (ldi!=NULL)
{
if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,
1,zi->filezip) !=1 )
err = ZIP_ERRNO;
size_centraldir += ldi->filled_in_this_block;
ldi = ldi->next_datablock;
}
}
free_datablock(zi->central_dir.first_block);
if (err==ZIP_OK) /* Magic End */
err = ziplocal_putValue(zi->filezip,(uLong)ENDHEADERMAGIC,4);
if (err==ZIP_OK) /* number of this disk */
err = ziplocal_putValue(zi->filezip,(uLong)0,2);
if (err==ZIP_OK) /* number of the disk with the start of the central directory */
err = ziplocal_putValue(zi->filezip,(uLong)0,2);
if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
err = ziplocal_putValue(zi->filezip,(uLong)zi->number_entry,2);
if (err==ZIP_OK) /* total number of entries in the central dir */
err = ziplocal_putValue(zi->filezip,(uLong)zi->number_entry,2);
if (err==ZIP_OK) /* size of the central directory */
err = ziplocal_putValue(zi->filezip,(uLong)size_centraldir,4);
if (err==ZIP_OK) /* offset of start of central directory with respect to the
starting disk number */
err = ziplocal_putValue(zi->filezip,(uLong)centraldir_pos_inzip ,4);
if (err==ZIP_OK) /* zipfile comment length */
err = ziplocal_putValue(zi->filezip,(uLong)size_global_comment,2);
if ((err==ZIP_OK) && (size_global_comment>0))
if (fwrite(global_comment,(uInt)size_global_comment,1,zi->filezip) !=1 )
err = ZIP_ERRNO;
fclose(zi->filezip);
TRYFREE(zi);
return err;
}

5
src/Kyoto/zlib/contrib/minizip/zip.def Normal file
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zipOpen @80
zipOpenNewFileInZip @81
zipWriteInFileInZip @82
zipCloseFileInZip @83
zipClose @84

150
src/Kyoto/zlib/contrib/minizip/zip.h Normal file
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/* zip.h -- IO for compress .zip files using zlib
Version 0.15 alpha, Mar 19th, 1998,
Copyright (C) 1998 Gilles Vollant
This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Encryption and multi volume ZipFile (span) are not supported.
Old compressions used by old PKZip 1.x are not supported
For uncompress .zip file, look at unzip.h
THIS IS AN ALPHA VERSION. AT THIS STAGE OF DEVELOPPEMENT, SOMES API OR STRUCTURE
CAN CHANGE IN FUTURE VERSION !!
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/zip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip
*/
#ifndef _zip_H
#define _zip_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagzipFile__ { int unused; } zipFile__;
typedef zipFile__ *zipFile;
#else
typedef voidp zipFile;
#endif
#define ZIP_OK (0)
#define ZIP_ERRNO (Z_ERRNO)
#define ZIP_PARAMERROR (-102)
#define ZIP_INTERNALERROR (-104)
/* tm_zip contain date/time info */
typedef struct tm_zip_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_zip;
typedef struct
{
tm_zip tmz_date; /* date in understandable format */
uLong dosDate; /* if dos_date == 0, tmu_date is used */
/* uLong flag; */ /* general purpose bit flag 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
} zip_fileinfo;
extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
/*
Create a zipfile.
pathname contain on Windows NT a filename like "c:\\zlib\\zlib111.zip" or on
an Unix computer "zlib/zlib111.zip".
if the file pathname exist and append=1, the zip will be created at the end
of the file. (useful if the file contain a self extractor code)
If the zipfile cannot be opened, the return value is NULL.
Else, the return value is a zipFile Handle, usable with other function
of this zip package.
*/
extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
const char* filename,
const zip_fileinfo* zipfi,
const void* extrafield_local,
uInt size_extrafield_local,
const void* extrafield_global,
uInt size_extrafield_global,
const char* comment,
int method,
int level));
/*
Open a file in the ZIP for writing.
filename : the filename in zip (if NULL, '-' without quote will be used
*zipfi contain supplemental information
if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
contains the extrafield data the the local header
if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
contains the extrafield data the the local header
if comment != NULL, comment contain the comment string
method contain the compression method (0 for store, Z_DEFLATED for deflate)
level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
*/
extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
const voidp buf,
unsigned len));
/*
Write data in the zipfile
*/
extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
/*
Close the current file in the zipfile
*/
extern int ZEXPORT zipClose OF((zipFile file,
const char* global_comment));
/*
Close the zipfile
*/
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74
src/Kyoto/zlib/contrib/minizip/zlibvc.def Normal file
View File

@ -0,0 +1,74 @@
LIBRARY "zlib"
DESCRIPTION '"""zlib data compression library"""'
VERSION 1.11
HEAPSIZE 1048576,8192
EXPORTS
adler32 @1
compress @2
crc32 @3
deflate @4
deflateCopy @5
deflateEnd @6
deflateInit2_ @7
deflateInit_ @8
deflateParams @9
deflateReset @10
deflateSetDictionary @11
gzclose @12
gzdopen @13
gzerror @14
gzflush @15
gzopen @16
gzread @17
gzwrite @18
inflate @19
inflateEnd @20
inflateInit2_ @21
inflateInit_ @22
inflateReset @23
inflateSetDictionary @24
inflateSync @25
uncompress @26
zlibVersion @27
gzprintf @28
gzputc @29
gzgetc @30
gzseek @31
gzrewind @32
gztell @33
gzeof @34
gzsetparams @35
zError @36
inflateSyncPoint @37
get_crc_table @38
compress2 @39
gzputs @40
gzgets @41
unzOpen @61
unzClose @62
unzGetGlobalInfo @63
unzGetCurrentFileInfo @64
unzGoToFirstFile @65
unzGoToNextFile @66
unzOpenCurrentFile @67
unzReadCurrentFile @68
unztell @70
unzeof @71
unzCloseCurrentFile @72
unzGetGlobalComment @73
unzStringFileNameCompare @74
unzLocateFile @75
unzGetLocalExtrafield @76
zipOpen @80
zipOpenNewFileInZip @81
zipWriteInFileInZip @82
zipCloseFileInZip @83
zipClose @84

651
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14
src/Kyoto/zlib/contrib/untgz/Makefile Normal file
View File

@ -0,0 +1,14 @@
CC=gcc
CPPFLAGS=-MMD
CFLAGS=-O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-Wstrict-prototypes -Wmissing-prototypes
untgz: untgz.o ../../libz.a
$(CC) $(CFLAGS) -o untgz untgz.o -L../.. -lz
untgz.o: untgz.c ../../zlib.h
$(CC) $(CFLAGS) -c -I../.. untgz.c
clean:
rm -f untgz untgz.o *~

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src/Kyoto/zlib/contrib/untgz/makefile.w32 Normal file
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# Makefile for zlib. Modified for mingw32
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile,
#
# make -fmakefile.w32
#
CC=gcc
# Generate dependencies (see end of the file)
CPPFLAGS=-MMD
#CFLAGS=-MMD -O
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-MMD -g -DDEBUG
CFLAGS=-O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-Wstrict-prototypes -Wmissing-prototypes
# If cp.exe is not found, replace with copy /Y .
CP=cp -f
# The default value of RM is "rm -f."
# If "rm.exe" is not found, uncomment:
# RM=del
LD=gcc
LDLIBS=-L. -lz
LDFLAGS=-s
INCL=zlib.h zconf.h
LIBS=libz.a
AR=ar rcs
TEST_OBJS = untgz.o
all: untgz.exe
rebuild: clean all
libz.a: $(OBJS)
$(AR) $@ $(OBJS)
%.exe : %.o $(LIBS)
$(LD) $(LDFLAGS) -o $@ $< $(LDLIBS)
.PHONY : clean
clean:
$(RM) *.d *.o *.exe libz.a foo.gz
DEPS := $(wildcard *.d)
ifneq ($(DEPS),)
include $(DEPS)
endif

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src/Kyoto/zlib/contrib/untgz/untgz.c Normal file
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/*
* untgz.c -- Display contents and/or extract file from
* a gzip'd TAR file
* written by "Pedro A. Aranda Guti\irrez" <paag@tid.es>
* adaptation to Unix by Jean-loup Gailly <jloup@gzip.org>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#ifdef unix
# include <unistd.h>
#else
# include <direct.h>
# include <io.h>
#endif
#include "zlib.h"
#include <windows.h>
#ifdef WIN32
# ifndef F_OK
# define F_OK (0)
# endif
# ifdef _MSC_VER
# define mkdir(dirname,mode) _mkdir(dirname)
# define strdup(str) _strdup(str)
# define unlink(fn) _unlink(fn)
# define access(path,mode) _access(path,mode)
# else
# define mkdir(dirname,mode) _mkdir(dirname)
# endif
#else
# include <utime.h>
#endif
/* Values used in typeflag field. */
#define REGTYPE '0' /* regular file */
#define AREGTYPE '\0' /* regular file */
#define LNKTYPE '1' /* link */
#define SYMTYPE '2' /* reserved */
#define CHRTYPE '3' /* character special */
#define BLKTYPE '4' /* block special */
#define DIRTYPE '5' /* directory */
#define FIFOTYPE '6' /* FIFO special */
#define CONTTYPE '7' /* reserved */
#define BLOCKSIZE 512
struct tar_header
{ /* byte offset */
char name[100]; /* 0 */
char mode[8]; /* 100 */
char uid[8]; /* 108 */
char gid[8]; /* 116 */
char size[12]; /* 124 */
char mtime[12]; /* 136 */
char chksum[8]; /* 148 */
char typeflag; /* 156 */
char linkname[100]; /* 157 */
char magic[6]; /* 257 */
char version[2]; /* 263 */
char uname[32]; /* 265 */
char gname[32]; /* 297 */
char devmajor[8]; /* 329 */
char devminor[8]; /* 337 */
char prefix[155]; /* 345 */
/* 500 */
};
union tar_buffer {
char buffer[BLOCKSIZE];
struct tar_header header;
};
enum { TGZ_EXTRACT = 0, TGZ_LIST };
static char *TGZfname OF((const char *));
void TGZnotfound OF((const char *));
int getoct OF((char *, int));
char *strtime OF((time_t *));
int ExprMatch OF((char *,char *));
int makedir OF((char *));
int matchname OF((int,int,char **,char *));
void error OF((const char *));
int tar OF((gzFile, int, int, int, char **));
void help OF((int));
int main OF((int, char **));
char *prog;
/* This will give a benign warning */
static char *TGZprefix[] = { "\0", ".tgz", ".tar.gz", ".tar", NULL };
/* Return the real name of the TGZ archive */
/* or NULL if it does not exist. */
static char *TGZfname OF((const char *fname))
{
static char buffer[1024];
int origlen,i;
strcpy(buffer,fname);
origlen = strlen(buffer);
for (i=0; TGZprefix[i]; i++)
{
strcpy(buffer+origlen,TGZprefix[i]);
if (access(buffer,F_OK) == 0)
return buffer;
}
return NULL;
}
/* error message for the filename */
void TGZnotfound OF((const char *fname))
{
int i;
fprintf(stderr,"%s : couldn't find ",prog);
for (i=0;TGZprefix[i];i++)
fprintf(stderr,(TGZprefix[i+1]) ? "%s%s, " : "or %s%s\n",
fname,
TGZprefix[i]);
exit(1);
}
/* help functions */
int getoct(char *p,int width)
{
int result = 0;
char c;
while (width --)
{
c = *p++;
if (c == ' ')
continue;
if (c == 0)
break;
result = result * 8 + (c - '0');
}
return result;
}
char *strtime (time_t *t)
{
struct tm *local;
static char result[32];
local = localtime(t);
sprintf(result,"%2d/%02d/%4d %02d:%02d:%02d",
local->tm_mday, local->tm_mon+1, local->tm_year+1900,
local->tm_hour, local->tm_min, local->tm_sec);
return result;
}
/* regular expression matching */
#define ISSPECIAL(c) (((c) == '*') || ((c) == '/'))
int ExprMatch(char *string,char *expr)
{
while (1)
{
if (ISSPECIAL(*expr))
{
if (*expr == '/')
{
if (*string != '\\' && *string != '/')
return 0;
string ++; expr++;
}
else if (*expr == '*')
{
if (*expr ++ == 0)
return 1;
while (*++string != *expr)
if (*string == 0)
return 0;
}
}
else
{
if (*string != *expr)
return 0;
if (*expr++ == 0)
return 1;
string++;
}
}
}
/* recursive make directory */
/* abort if you get an ENOENT errno somewhere in the middle */
/* e.g. ignore error "mkdir on existing directory" */
/* */
/* return 1 if OK */
/* 0 on error */
int makedir (char *newdir)
{
char *buffer = strdup(newdir);
char *p;
int len = strlen(buffer);
if (len <= 0) {
free(buffer);
return 0;
}
if (buffer[len-1] == '/') {
buffer[len-1] = '\0';
}
if (mkdir(buffer, 0775) == 0)
{
free(buffer);
return 1;
}
p = buffer+1;
while (1)
{
char hold;
while(*p && *p != '\\' && *p != '/')
p++;
hold = *p;
*p = 0;
if ((mkdir(buffer, 0775) == -1) && (errno == ENOENT))
{
fprintf(stderr,"%s: couldn't create directory %s\n",prog,buffer);
free(buffer);
return 0;
}
if (hold == 0)
break;
*p++ = hold;
}
free(buffer);
return 1;
}
int matchname (int arg,int argc,char **argv,char *fname)
{
if (arg == argc) /* no arguments given (untgz tgzarchive) */
return 1;
while (arg < argc)
if (ExprMatch(fname,argv[arg++]))
return 1;
return 0; /* ignore this for the moment being */
}
/* Tar file list or extract */
int tar (gzFile in,int action,int arg,int argc,char **argv)
{
union tar_buffer buffer;
int len;
int err;
int getheader = 1;
int remaining = 0;
FILE *outfile = NULL;
char fname[BLOCKSIZE];
time_t tartime;
if (action == TGZ_LIST)
printf(" day time size file\n"
" ---------- -------- --------- -------------------------------------\n");
while (1)
{
len = gzread(in, &buffer, BLOCKSIZE);
if (len < 0)
error (gzerror(in, &err));
/*
* Always expect complete blocks to process
* the tar information.
*/
if (len != BLOCKSIZE)
error("gzread: incomplete block read");
/*
* If we have to get a tar header
*/
if (getheader == 1)
{
/*
* if we met the end of the tar
* or the end-of-tar block,
* we are done
*/
if ((len == 0) || (buffer.header.name[0]== 0)) break;
tartime = (time_t)getoct(buffer.header.mtime,12);
strcpy(fname,buffer.header.name);
switch (buffer.header.typeflag)
{
case DIRTYPE:
if (action == TGZ_LIST)
printf(" %s <dir> %s\n",strtime(&tartime),fname);
if (action == TGZ_EXTRACT)
makedir(fname);
break;
case REGTYPE:
case AREGTYPE:
remaining = getoct(buffer.header.size,12);
if (action == TGZ_LIST)
printf(" %s %9d %s\n",strtime(&tartime),remaining,fname);
if (action == TGZ_EXTRACT)
{
if ((remaining) && (matchname(arg,argc,argv,fname)))
{
outfile = fopen(fname,"wb");
if (outfile == NULL) {
/* try creating directory */
char *p = strrchr(fname, '/');
if (p != NULL) {
*p = '\0';
makedir(fname);
*p = '/';
outfile = fopen(fname,"wb");
}
}
fprintf(stderr,
"%s %s\n",
(outfile) ? "Extracting" : "Couldn't create",
fname);
}
else
outfile = NULL;
}
/*
* could have no contents
*/
getheader = (remaining) ? 0 : 1;
break;
default:
if (action == TGZ_LIST)
printf(" %s <---> %s\n",strtime(&tartime),fname);
break;
}
}
else
{
unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining;
if ((action == TGZ_EXTRACT) && (outfile != NULL))
{
if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes)
{
fprintf(stderr,"%s : error writing %s skipping...\n",prog,fname);
fclose(outfile);
unlink(fname);
}
}
remaining -= bytes;
if (remaining == 0)
{
getheader = 1;
if ((action == TGZ_EXTRACT) && (outfile != NULL))
{
#ifdef WIN32
HANDLE hFile;
FILETIME ftm,ftLocal;
SYSTEMTIME st;
struct tm localt;
fclose(outfile);
localt = *localtime(&tartime);
hFile = CreateFile(fname, GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL);
st.wYear = (WORD)localt.tm_year+1900;
st.wMonth = (WORD)localt.tm_mon;
st.wDayOfWeek = (WORD)localt.tm_wday;
st.wDay = (WORD)localt.tm_mday;
st.wHour = (WORD)localt.tm_hour;
st.wMinute = (WORD)localt.tm_min;
st.wSecond = (WORD)localt.tm_sec;
st.wMilliseconds = 0;
SystemTimeToFileTime(&st,&ftLocal);
LocalFileTimeToFileTime(&ftLocal,&ftm);
SetFileTime(hFile,&ftm,NULL,&ftm);
CloseHandle(hFile);
outfile = NULL;
#else
struct utimbuf settime;
settime.actime = settime.modtime = tartime;
fclose(outfile);
outfile = NULL;
utime(fname,&settime);
#endif
}
}
}
}
if (gzclose(in) != Z_OK)
error("failed gzclose");
return 0;
}
/* =========================================================== */
void help(int exitval)
{
fprintf(stderr,
"untgz v 0.1\n"
" an sample application of zlib 1.0.4\n\n"
"Usage : untgz TGZfile to extract all files\n"
" untgz TGZfile fname ... to extract selected files\n"
" untgz -l TGZfile to list archive contents\n"
" untgz -h to display this help\n\n");
exit(exitval);
}
void error(const char *msg)
{
fprintf(stderr, "%s: %s\n", prog, msg);
exit(1);
}
/* ====================================================================== */
int _CRT_glob = 0; /* disable globbing of the arguments */
int main(int argc,char **argv)
{
int action = TGZ_EXTRACT;
int arg = 1;
char *TGZfile;
gzFile *f;
prog = strrchr(argv[0],'\\');
if (prog == NULL)
{
prog = strrchr(argv[0],'/');
if (prog == NULL)
{
prog = strrchr(argv[0],':');
if (prog == NULL)
prog = argv[0];
else
prog++;
}
else
prog++;
}
else
prog++;
if (argc == 1)
help(0);
if (strcmp(argv[arg],"-l") == 0)
{
action = TGZ_LIST;
if (argc == ++arg)
help(0);
}
else if (strcmp(argv[arg],"-h") == 0)
{
help(0);
}
if ((TGZfile = TGZfname(argv[arg])) == NULL)
TGZnotfound(argv[arg]);
++arg;
if ((action == TGZ_LIST) && (arg != argc))
help(1);
/*
* Process the TGZ file
*/
switch(action)
{
case TGZ_LIST:
case TGZ_EXTRACT:
f = gzopen(TGZfile,"rb");
if (f == NULL)
{
fprintf(stderr,"%s: Couldn't gzopen %s\n",
prog,
TGZfile);
return 1;
}
exit(tar(f, action, arg, argc, argv));
break;
default:
error("Unknown option!");
exit(1);
}
return 0;
}

3
src/Kyoto/zlib/contrib/untgz/untgz.d Normal file
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untgz.o: untgz.c \
c:\PROGRA~1\MINGW\BIN\..\lib\gcc-lib\i386-mingw32msvc\2.95.2\..\..\..\..\include\zlib.h \
c:\PROGRA~1\MINGW\BIN\..\lib\gcc-lib\i386-mingw32msvc\2.95.2\..\..\..\..\include\zconf.h

69
src/Kyoto/zlib/contrib/visual-basic.txt Normal file
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See below some functions declarations for Visual Basic.
Frequently Asked Question:
Q: Each time I use the compress function I get the -5 error (not enough
room in the output buffer).
A: Make sure that the length of the compressed buffer is passed by
reference ("as any"), not by value ("as long"). Also check that
before the call of compress this length is equal to the total size of
the compressed buffer and not zero.
From: "Jon Caruana" <jon-net@usa.net>
Subject: Re: How to port zlib declares to vb?
Date: Mon, 28 Oct 1996 18:33:03 -0600
Got the answer! (I haven't had time to check this but it's what I got, and
looks correct):
He has the following routines working:
compress
uncompress
gzopen
gzwrite
gzread
gzclose
Declares follow: (Quoted from Carlos Rios <c_rios@sonda.cl>, in Vb4 form)
#If Win16 Then 'Use Win16 calls.
Declare Function compress Lib "ZLIB.DLL" (ByVal compr As
String, comprLen As Any, ByVal buf As String, ByVal buflen
As Long) As Integer
Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr
As String, uncomprLen As Any, ByVal compr As String, ByVal
lcompr As Long) As Integer
Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As
String, ByVal mode As String) As Long
Declare Function gzread Lib "ZLIB.DLL" (ByVal file As
Long, ByVal uncompr As String, ByVal uncomprLen As Integer)
As Integer
Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As
Long, ByVal uncompr As String, ByVal uncomprLen As Integer)
As Integer
Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As
Long) As Integer
#Else
Declare Function compress Lib "ZLIB32.DLL"
(ByVal compr As String, comprLen As Any, ByVal buf As
String, ByVal buflen As Long) As Integer
Declare Function uncompress Lib "ZLIB32.DLL"
(ByVal uncompr As String, uncomprLen As Any, ByVal compr As
String, ByVal lcompr As Long) As Long
Declare Function gzopen Lib "ZLIB32.DLL"
(ByVal file As String, ByVal mode As String) As Long
Declare Function gzread Lib "ZLIB32.DLL"
(ByVal file As Long, ByVal uncompr As String, ByVal
uncomprLen As Long) As Long
Declare Function gzwrite Lib "ZLIB32.DLL"
(ByVal file As Long, ByVal uncompr As String, ByVal
uncomprLen As Long) As Long
Declare Function gzclose Lib "ZLIB32.DLL"
(ByVal file As Long) As Long
#End If
-Jon Caruana
jon-net@usa.net
Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member

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/* crc32.c -- compute the CRC-32 of a data stream
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zlib.h"
#define local static
#ifdef DYNAMIC_CRC_TABLE
local int crc_table_empty = 1;
local uLongf crc_table[256];
local void make_crc_table OF((void));
/*
Generate a table for a byte-wise 32-bit CRC calculation on the polynomial:
x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
Polynomials over GF(2) are represented in binary, one bit per coefficient,
with the lowest powers in the most significant bit. Then adding polynomials
is just exclusive-or, and multiplying a polynomial by x is a right shift by
one. If we call the above polynomial p, and represent a byte as the
polynomial q, also with the lowest power in the most significant bit (so the
byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
where a mod b means the remainder after dividing a by b.
This calculation is done using the shift-register method of multiplying and
taking the remainder. The register is initialized to zero, and for each
incoming bit, x^32 is added mod p to the register if the bit is a one (where
x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
x (which is shifting right by one and adding x^32 mod p if the bit shifted
out is a one). We start with the highest power (least significant bit) of
q and repeat for all eight bits of q.
The table is simply the CRC of all possible eight bit values. This is all
the information needed to generate CRC's on data a byte at a time for all
combinations of CRC register values and incoming bytes.
*/
local void make_crc_table()
{
uLong c;
int n, k;
uLong poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* make exclusive-or pattern from polynomial (0xedb88320L) */
poly = 0L;
for (n = 0; n < sizeof(p)/sizeof(Byte); n++)
poly |= 1L << (31 - p[n]);
for (n = 0; n < 256; n++)
{
c = (uLong)n;
for (k = 0; k < 8; k++)
c = c & 1 ? poly ^ (c >> 1) : c >> 1;
crc_table[n] = c;
}
crc_table_empty = 0;
}
#else
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
local const uLongf crc_table[256] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
0x2d02ef8dL
};
#endif
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
const uLongf * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty) make_crc_table();
#endif
return (const uLongf *)crc_table;
}
/* ========================================================================= */
#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
#define DO2(buf) DO1(buf); DO1(buf);
#define DO4(buf) DO2(buf); DO2(buf);
#define DO8(buf) DO4(buf); DO4(buf);
/* ========================================================================= */
uLong ZEXPORT crc32(crc, buf, len)
uLong crc;
const Bytef *buf;
uInt len;
{
if (buf == Z_NULL) return 0L;
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}

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/* deflate.h -- internal compression state
* Copyright (C) 1995-1998 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id$ */
#ifndef _DEFLATE_H
#define _DEFLATE_H
#include "zutil.h"
/* ===========================================================================
* Internal compression state.
*/
#define LENGTH_CODES 29
/* number of length codes, not counting the special END_BLOCK code */
#define LITERALS 256
/* number of literal bytes 0..255 */
#define L_CODES (LITERALS+1+LENGTH_CODES)
/* number of Literal or Length codes, including the END_BLOCK code */
#define D_CODES 30
/* number of distance codes */
#define BL_CODES 19
/* number of codes used to transfer the bit lengths */
#define HEAP_SIZE (2*L_CODES+1)
/* maximum heap size */
#define MAX_BITS 15
/* All codes must not exceed MAX_BITS bits */
#define INIT_STATE 42
#define BUSY_STATE 113
#define FINISH_STATE 666
/* Stream status */
/* Data structure describing a single value and its code string. */
typedef struct ct_data_s {
union {
ush freq; /* frequency count */
ush code; /* bit string */
} fc;
union {
ush dad; /* father node in Huffman tree */
ush len; /* length of bit string */
} dl;
} FAR ct_data;
#define Freq fc.freq
#define Code fc.code
#define Dad dl.dad
#define Len dl.len
typedef struct static_tree_desc_s static_tree_desc;
typedef struct tree_desc_s {
ct_data *dyn_tree; /* the dynamic tree */
int max_code; /* largest code with non zero frequency */
static_tree_desc *stat_desc; /* the corresponding static tree */
} FAR tree_desc;
typedef ush Pos;
typedef Pos FAR Posf;
typedef unsigned IPos;
/* A Pos is an index in the character window. We use short instead of int to
* save space in the various tables. IPos is used only for parameter passing.
*/
typedef struct internal_state {
z_streamp strm; /* pointer back to this zlib stream */
int status; /* as the name implies */
Bytef *pending_buf; /* output still pending */
ulg pending_buf_size; /* size of pending_buf */
Bytef *pending_out; /* next pending byte to output to the stream */
int pending; /* nb of bytes in the pending buffer */
int noheader; /* suppress zlib header and adler32 */
Byte data_type; /* UNKNOWN, BINARY or ASCII */
Byte method; /* STORED (for zip only) or DEFLATED */
int last_flush; /* value of flush param for previous deflate call */
/* used by deflate.c: */
uInt w_size; /* LZ77 window size (32K by default) */
uInt w_bits; /* log2(w_size) (8..16) */
uInt w_mask; /* w_size - 1 */
Bytef *window;
/* Sliding window. Input bytes are read into the second half of the window,
* and move to the first half later to keep a dictionary of at least wSize
* bytes. With this organization, matches are limited to a distance of
* wSize-MAX_MATCH bytes, but this ensures that IO is always
* performed with a length multiple of the block size. Also, it limits
* the window size to 64K, which is quite useful on MSDOS.
* To do: use the user input buffer as sliding window.
*/
ulg window_size;
/* Actual size of window: 2*wSize, except when the user input buffer
* is directly used as sliding window.
*/
Posf *prev;
/* Link to older string with same hash index. To limit the size of this
* array to 64K, this link is maintained only for the last 32K strings.
* An index in this array is thus a window index modulo 32K.
*/
Posf *head; /* Heads of the hash chains or NIL. */
uInt ins_h; /* hash index of string to be inserted */
uInt hash_size; /* number of elements in hash table */
uInt hash_bits; /* log2(hash_size) */
uInt hash_mask; /* hash_size-1 */
uInt hash_shift;
/* Number of bits by which ins_h must be shifted at each input
* step. It must be such that after MIN_MATCH steps, the oldest
* byte no longer takes part in the hash key, that is:
* hash_shift * MIN_MATCH >= hash_bits
*/
long block_start;
/* Window position at the beginning of the current output block. Gets
* negative when the window is moved backwards.
*/
uInt match_length; /* length of best match */
IPos prev_match; /* previous match */
int match_available; /* set if previous match exists */
uInt strstart; /* start of string to insert */
uInt match_start; /* start of matching string */
uInt lookahead; /* number of valid bytes ahead in window */
uInt prev_length;
/* Length of the best match at previous step. Matches not greater than this
* are discarded. This is used in the lazy match evaluation.
*/
uInt max_chain_length;
/* To speed up deflation, hash chains are never searched beyond this
* length. A higher limit improves compression ratio but degrades the
* speed.
*/
uInt max_lazy_match;
/* Attempt to find a better match only when the current match is strictly
* smaller than this value. This mechanism is used only for compression
* levels >= 4.
*/
# define max_insert_length max_lazy_match
/* Insert new strings in the hash table only if the match length is not
* greater than this length. This saves time but degrades compression.
* max_insert_length is used only for compression levels <= 3.
*/
int level; /* compression level (1..9) */
int strategy; /* favor or force Huffman coding*/
uInt good_match;
/* Use a faster search when the previous match is longer than this */
int nice_match; /* Stop searching when current match exceeds this */
/* used by trees.c: */
/* Didn't use ct_data typedef below to supress compiler warning */
struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
struct tree_desc_s l_desc; /* desc. for literal tree */
struct tree_desc_s d_desc; /* desc. for distance tree */
struct tree_desc_s bl_desc; /* desc. for bit length tree */
ush bl_count[MAX_BITS+1];
/* number of codes at each bit length for an optimal tree */
int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */
int heap_len; /* number of elements in the heap */
int heap_max; /* element of largest frequency */
/* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
* The same heap array is used to build all trees.
*/
uch depth[2*L_CODES+1];
/* Depth of each subtree used as tie breaker for trees of equal frequency
*/
uchf *l_buf; /* buffer for literals or lengths */
uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for
* limiting lit_bufsize to 64K:
* - frequencies can be kept in 16 bit counters
* - if compression is not successful for the first block, all input
* data is still in the window so we can still emit a stored block even
* when input comes from standard input. (This can also be done for
* all blocks if lit_bufsize is not greater than 32K.)
* - if compression is not successful for a file smaller than 64K, we can
* even emit a stored file instead of a stored block (saving 5 bytes).
* This is applicable only for zip (not gzip or zlib).
* - creating new Huffman trees less frequently may not provide fast
* adaptation to changes in the input data statistics. (Take for
* example a binary file with poorly compressible code followed by
* a highly compressible string table.) Smaller buffer sizes give
* fast adaptation but have of course the overhead of transmitting
* trees more frequently.
* - I can't count above 4
*/
uInt last_lit; /* running index in l_buf */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */
uInt matches; /* number of string matches in current block */
int last_eob_len; /* bit length of EOB code for last block */
#ifdef DEBUG
ulg compressed_len; /* total bit length of compressed file mod 2^32 */
ulg bits_sent; /* bit length of compressed data sent mod 2^32 */
#endif
ush bi_buf;
/* Output buffer. bits are inserted starting at the bottom (least
* significant bits).
*/
int bi_valid;
/* Number of valid bits in bi_buf. All bits above the last valid bit
* are always zero.
*/
} FAR deflate_state;
/* Output a byte on the stream.
* IN assertion: there is enough room in pending_buf.
*/
#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);}
#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
/* Minimum amount of lookahead, except at the end of the input file.
* See deflate.c for comments about the MIN_MATCH+1.
*/
#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD)
/* In order to simplify the code, particularly on 16 bit machines, match
* distances are limited to MAX_DIST instead of WSIZE.
*/
/* in trees.c */
void _tr_init OF((deflate_state *s));
int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len,
int eof));
void _tr_align OF((deflate_state *s));
void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
int eof));
#define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
/* Mapping from a distance to a distance code. dist is the distance - 1 and
* must not have side effects. _dist_code[256] and _dist_code[257] are never
* used.
*/
#ifndef DEBUG
/* Inline versions of _tr_tally for speed: */
#if defined(GEN_TREES_H) || !defined(STDC)
extern uch _length_code[];
extern uch _dist_code[];
#else
extern const uch _length_code[];
extern const uch _dist_code[];
#endif
# define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \
s->d_buf[s->last_lit] = 0; \
s->l_buf[s->last_lit++] = cc; \
s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (length); \
ush dist = (distance); \
s->d_buf[s->last_lit] = dist; \
s->l_buf[s->last_lit++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
#else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
# define _tr_tally_dist(s, distance, length, flush) \
flush = _tr_tally(s, distance, length)
#endif
#endif

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# descrip.mms: MMS description file for building zlib on VMS
# written by Martin P.J. Zinser <m.zinser@gsi.de>
cc_defs =
c_deb =
.ifdef __DECC__
pref = /prefix=all
.endif
OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj,\
deflate.obj, trees.obj, zutil.obj, inflate.obj, infblock.obj,\
inftrees.obj, infcodes.obj, infutil.obj, inffast.obj
CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF)
all : example.exe minigzip.exe
@ write sys$output " Example applications available"
libz.olb : libz.olb($(OBJS))
@ write sys$output " libz available"
example.exe : example.obj libz.olb
link example,libz.olb/lib
minigzip.exe : minigzip.obj libz.olb
link minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib
clean :
delete *.obj;*,libz.olb;*
# Other dependencies.
adler32.obj : zutil.h zlib.h zconf.h
compress.obj : zlib.h zconf.h
crc32.obj : zutil.h zlib.h zconf.h
deflate.obj : deflate.h zutil.h zlib.h zconf.h
example.obj : zlib.h zconf.h
gzio.obj : zutil.h zlib.h zconf.h
infblock.obj : zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
infcodes.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h
inffast.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h
inflate.obj : zutil.h zlib.h zconf.h infblock.h
inftrees.obj : zutil.h zlib.h zconf.h inftrees.h
infutil.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h
minigzip.obj : zlib.h zconf.h
trees.obj : deflate.h zutil.h zlib.h zconf.h
uncompr.obj : zlib.h zconf.h
zutil.obj : zutil.h zlib.h zconf.h

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/* example.c -- usage example of the zlib compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include <stdio.h>
#include "zlib.h"
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#else
extern void exit OF((int));
#endif
#if defined(VMS) || defined(RISCOS)
# define TESTFILE "foo-gz"
#else
# define TESTFILE "foo.gz"
#endif
#define CHECK_ERR(err, msg) { \
if (err != Z_OK) { \
fprintf(stderr, "%s error: %d\n", msg, err); \
exit(1); \
} \
}
const char hello[] = "hello, hello!";
/* "hello world" would be more standard, but the repeated "hello"
* stresses the compression code better, sorry...
*/
const char dictionary[] = "hello";
uLong dictId; /* Adler32 value of the dictionary */
void test_compress OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_gzio OF((const char *out, const char *in,
Byte *uncompr, int uncomprLen));
void test_deflate OF((Byte *compr, uLong comprLen));
void test_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_large_deflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_large_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_flush OF((Byte *compr, uLong *comprLen));
void test_sync OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_dict_deflate OF((Byte *compr, uLong comprLen));
void test_dict_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
int main OF((int argc, char *argv[]));
/* ===========================================================================
* Test compress() and uncompress()
*/
void test_compress(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
uLong len = strlen(hello)+1;
err = compress(compr, &comprLen, (const Bytef*)hello, len);
CHECK_ERR(err, "compress");
strcpy((char*)uncompr, "garbage");
err = uncompress(uncompr, &uncomprLen, compr, comprLen);
CHECK_ERR(err, "uncompress");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad uncompress\n");
exit(1);
} else {
printf("uncompress(): %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Test read/write of .gz files
*/
void test_gzio(out, in, uncompr, uncomprLen)
const char *out; /* compressed output file */
const char *in; /* compressed input file */
Byte *uncompr;
int uncomprLen;
{
int err;
int len = strlen(hello)+1;
gzFile file;
z_off_t pos;
file = gzopen(out, "wb");
if (file == NULL) {
fprintf(stderr, "gzopen error\n");
exit(1);
}
gzputc(file, 'h');
if (gzputs(file, "ello") != 4) {
fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err));
exit(1);
}
if (gzprintf(file, ", %s!", "hello") != 8) {
fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err));
exit(1);
}
gzseek(file, 1L, SEEK_CUR); /* add one zero byte */
gzclose(file);
file = gzopen(in, "rb");
if (file == NULL) {
fprintf(stderr, "gzopen error\n");
}
strcpy((char*)uncompr, "garbage");
uncomprLen = gzread(file, uncompr, (unsigned)uncomprLen);
if (uncomprLen != len) {
fprintf(stderr, "gzread err: %s\n", gzerror(file, &err));
exit(1);
}
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad gzread: %s\n", (char*)uncompr);
exit(1);
} else {
printf("gzread(): %s\n", (char *)uncompr);
}
pos = gzseek(file, -8L, SEEK_CUR);
if (pos != 6 || gztell(file) != pos) {
fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n",
(long)pos, (long)gztell(file));
exit(1);
}
if (gzgetc(file) != ' ') {
fprintf(stderr, "gzgetc error\n");
exit(1);
}
gzgets(file, (char*)uncompr, uncomprLen);
uncomprLen = strlen((char*)uncompr);
if (uncomprLen != 6) { /* "hello!" */
fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err));
exit(1);
}
if (strcmp((char*)uncompr, hello+7)) {
fprintf(stderr, "bad gzgets after gzseek\n");
exit(1);
} else {
printf("gzgets() after gzseek: %s\n", (char *)uncompr);
}
gzclose(file);
}
/* ===========================================================================
* Test deflate() with small buffers
*/
void test_deflate(compr, comprLen)
Byte *compr;
uLong comprLen;
{
z_stream c_stream; /* compression stream */
int err;
int len = strlen(hello)+1;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
CHECK_ERR(err, "deflateInit");
c_stream.next_in = (Bytef*)hello;
c_stream.next_out = compr;
while (c_stream.total_in != (uLong)len && c_stream.total_out < comprLen) {
c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
}
/* Finish the stream, still forcing small buffers: */
for (;;) {
c_stream.avail_out = 1;
err = deflate(&c_stream, Z_FINISH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "deflate");
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with small buffers
*/
void test_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = 0;
d_stream.next_out = uncompr;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) {
d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "inflate");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad inflate\n");
exit(1);
} else {
printf("inflate(): %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Test deflate() with large buffers and dynamic change of compression level
*/
void test_large_deflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
z_stream c_stream; /* compression stream */
int err;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_BEST_SPEED);
CHECK_ERR(err, "deflateInit");
c_stream.next_out = compr;
c_stream.avail_out = (uInt)comprLen;
/* At this point, uncompr is still mostly zeroes, so it should compress
* very well:
*/
c_stream.next_in = uncompr;
c_stream.avail_in = (uInt)uncomprLen;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
if (c_stream.avail_in != 0) {
fprintf(stderr, "deflate not greedy\n");
exit(1);
}
/* Feed in already compressed data and switch to no compression: */
deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY);
c_stream.next_in = compr;
c_stream.avail_in = (uInt)comprLen/2;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
/* Switch back to compressing mode: */
deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED);
c_stream.next_in = uncompr;
c_stream.avail_in = (uInt)uncomprLen;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
fprintf(stderr, "deflate should report Z_STREAM_END\n");
exit(1);
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with large buffers
*/
void test_large_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = (uInt)comprLen;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
for (;;) {
d_stream.next_out = uncompr; /* discard the output */
d_stream.avail_out = (uInt)uncomprLen;
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "large inflate");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (d_stream.total_out != 2*uncomprLen + comprLen/2) {
fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out);
exit(1);
} else {
printf("large_inflate(): OK\n");
}
}
/* ===========================================================================
* Test deflate() with full flush
*/
void test_flush(compr, comprLen)
Byte *compr;
uLong *comprLen;
{
z_stream c_stream; /* compression stream */
int err;
int len = strlen(hello)+1;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
CHECK_ERR(err, "deflateInit");
c_stream.next_in = (Bytef*)hello;
c_stream.next_out = compr;
c_stream.avail_in = 3;
c_stream.avail_out = (uInt)*comprLen;
err = deflate(&c_stream, Z_FULL_FLUSH);
CHECK_ERR(err, "deflate");
compr[3]++; /* force an error in first compressed block */
c_stream.avail_in = len - 3;
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
CHECK_ERR(err, "deflate");
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
*comprLen = c_stream.total_out;
}
/* ===========================================================================
* Test inflateSync()
*/
void test_sync(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = 2; /* just read the zlib header */
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.avail_out = (uInt)uncomprLen;
inflate(&d_stream, Z_NO_FLUSH);
CHECK_ERR(err, "inflate");
d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */
err = inflateSync(&d_stream); /* but skip the damaged part */
CHECK_ERR(err, "inflateSync");
err = inflate(&d_stream, Z_FINISH);
if (err != Z_DATA_ERROR) {
fprintf(stderr, "inflate should report DATA_ERROR\n");
/* Because of incorrect adler32 */
exit(1);
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
printf("after inflateSync(): hel%s\n", (char *)uncompr);
}
/* ===========================================================================
* Test deflate() with preset dictionary
*/
void test_dict_deflate(compr, comprLen)
Byte *compr;
uLong comprLen;
{
z_stream c_stream; /* compression stream */
int err;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_BEST_COMPRESSION);
CHECK_ERR(err, "deflateInit");
err = deflateSetDictionary(&c_stream,
(const Bytef*)dictionary, sizeof(dictionary));
CHECK_ERR(err, "deflateSetDictionary");
dictId = c_stream.adler;
c_stream.next_out = compr;
c_stream.avail_out = (uInt)comprLen;
c_stream.next_in = (Bytef*)hello;
c_stream.avail_in = (uInt)strlen(hello)+1;
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
fprintf(stderr, "deflate should report Z_STREAM_END\n");
exit(1);
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with a preset dictionary
*/
void test_dict_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = (uInt)comprLen;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.avail_out = (uInt)uncomprLen;
for (;;) {
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
if (err == Z_NEED_DICT) {
if (d_stream.adler != dictId) {
fprintf(stderr, "unexpected dictionary");
exit(1);
}
err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary,
sizeof(dictionary));
}
CHECK_ERR(err, "inflate with dict");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad inflate with dict\n");
exit(1);
} else {
printf("inflate with dictionary: %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Usage: example [output.gz [input.gz]]
*/
int main(argc, argv)
int argc;
char *argv[];
{
Byte *compr, *uncompr;
uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */
uLong uncomprLen = comprLen;
static const char* myVersion = ZLIB_VERSION;
if (zlibVersion()[0] != myVersion[0]) {
fprintf(stderr, "incompatible zlib version\n");
exit(1);
} else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) {
fprintf(stderr, "warning: different zlib version\n");
}
compr = (Byte*)calloc((uInt)comprLen, 1);
uncompr = (Byte*)calloc((uInt)uncomprLen, 1);
/* compr and uncompr are cleared to avoid reading uninitialized
* data and to ensure that uncompr compresses well.
*/
if (compr == Z_NULL || uncompr == Z_NULL) {
printf("out of memory\n");
exit(1);
}
test_compress(compr, comprLen, uncompr, uncomprLen);
test_gzio((argc > 1 ? argv[1] : TESTFILE),
(argc > 2 ? argv[2] : TESTFILE),
uncompr, (int)uncomprLen);
test_deflate(compr, comprLen);
test_inflate(compr, comprLen, uncompr, uncomprLen);
test_large_deflate(compr, comprLen, uncompr, uncomprLen);
test_large_inflate(compr, comprLen, uncompr, uncomprLen);
test_flush(compr, &comprLen);
test_sync(compr, comprLen, uncompr, uncomprLen);
comprLen = uncomprLen;
test_dict_deflate(compr, comprLen);
test_dict_inflate(compr, comprLen, uncompr, uncomprLen);
exit(0);
return 0; /* to avoid warning */
}

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/* gzio.c -- IO on .gz files
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*
* Compile this file with -DNO_DEFLATE to avoid the compression code.
*/
/* @(#) $Id$ */
#include <stdio.h>
#include "zutil.h"
struct internal_state {int dummy;}; /* for buggy compilers */
#ifndef Z_BUFSIZE
# ifdef MAXSEG_64K
# define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */
# else
# define Z_BUFSIZE 16384
# endif
#endif
#ifndef Z_PRINTF_BUFSIZE
# define Z_PRINTF_BUFSIZE 4096
#endif
#define ALLOC(size) malloc(size)
#define TRYFREE(p) {if (p) free(p);}
static int gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */
/* gzip flag byte */
#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */
#define HEAD_CRC 0x02 /* bit 1 set: header CRC present */
#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
#define COMMENT 0x10 /* bit 4 set: file comment present */
#define RESERVED 0xE0 /* bits 5..7: reserved */
typedef struct gz_stream {
z_stream stream;
int z_err; /* error code for last stream operation */
int z_eof; /* set if end of input file */
FILE *file; /* .gz file */
Byte *inbuf; /* input buffer */
Byte *outbuf; /* output buffer */
uLong crc; /* crc32 of uncompressed data */
char *msg; /* error message */
char *path; /* path name for debugging only */
int transparent; /* 1 if input file is not a .gz file */
char mode; /* 'w' or 'r' */
long startpos; /* start of compressed data in file (header skipped) */
} gz_stream;
local gzFile gz_open OF((const char *path, const char *mode, int fd));
local int do_flush OF((gzFile file, int flush));
local int get_byte OF((gz_stream *s));
local void check_header OF((gz_stream *s));
local int destroy OF((gz_stream *s));
local void putLong OF((FILE *file, uLong x));
local uLong getLong OF((gz_stream *s));
/* ===========================================================================
Opens a gzip (.gz) file for reading or writing. The mode parameter
is as in fopen ("rb" or "wb"). The file is given either by file descriptor
or path name (if fd == -1).
gz_open return NULL if the file could not be opened or if there was
insufficient memory to allocate the (de)compression state; errno
can be checked to distinguish the two cases (if errno is zero, the
zlib error is Z_MEM_ERROR).
*/
local gzFile gz_open (path, mode, fd)
const char *path;
const char *mode;
int fd;
{
int err;
int level = Z_DEFAULT_COMPRESSION; /* compression level */
int strategy = Z_DEFAULT_STRATEGY; /* compression strategy */
char *p = (char*)mode;
gz_stream *s;
char fmode[80]; /* copy of mode, without the compression level */
char *m = fmode;
if (!path || !mode) return Z_NULL;
s = (gz_stream *)ALLOC(sizeof(gz_stream));
if (!s) return Z_NULL;
s->stream.zalloc = (alloc_func)0;
s->stream.zfree = (free_func)0;
s->stream.opaque = (voidpf)0;
s->stream.next_in = s->inbuf = Z_NULL;
s->stream.next_out = s->outbuf = Z_NULL;
s->stream.avail_in = s->stream.avail_out = 0;
s->file = NULL;
s->z_err = Z_OK;
s->z_eof = 0;
s->crc = crc32(0L, Z_NULL, 0);
s->msg = NULL;
s->transparent = 0;
s->path = (char*)ALLOC(strlen(path)+1);
if (s->path == NULL) {
return destroy(s), (gzFile)Z_NULL;
}
strcpy(s->path, path); /* do this early for debugging */
s->mode = '\0';
do {
if (*p == 'r') s->mode = 'r';
if (*p == 'w' || *p == 'a') s->mode = 'w';
if (*p >= '0' && *p <= '9') {
level = *p - '0';
} else if (*p == 'f') {
strategy = Z_FILTERED;
} else if (*p == 'h') {
strategy = Z_HUFFMAN_ONLY;
} else {
*m++ = *p; /* copy the mode */
}
} while (*p++ && m != fmode + sizeof(fmode));
if (s->mode == '\0') return destroy(s), (gzFile)Z_NULL;
if (s->mode == 'w') {
#ifdef NO_DEFLATE
err = Z_STREAM_ERROR;
#else
err = deflateInit2(&(s->stream), level,
Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, strategy);
/* windowBits is passed < 0 to suppress zlib header */
s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE);
#endif
if (err != Z_OK || s->outbuf == Z_NULL) {
return destroy(s), (gzFile)Z_NULL;
}
} else {
s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE);
err = inflateInit2(&(s->stream), -MAX_WBITS);
/* windowBits is passed < 0 to tell that there is no zlib header.
* Note that in this case inflate *requires* an extra "dummy" byte
* after the compressed stream in order to complete decompression and
* return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are
* present after the compressed stream.
*/
if (err != Z_OK || s->inbuf == Z_NULL) {
return destroy(s), (gzFile)Z_NULL;
}
}
s->stream.avail_out = Z_BUFSIZE;
errno = 0;
s->file = fd < 0 ? F_OPEN(path, fmode) : (FILE*)fdopen(fd, fmode);
if (s->file == NULL) {
return destroy(s), (gzFile)Z_NULL;
}
if (s->mode == 'w') {
/* Write a very simple .gz header:
*/
fprintf(s->file, "%c%c%c%c%c%c%c%c%c%c", gz_magic[0], gz_magic[1],
Z_DEFLATED, 0 /*flags*/, 0,0,0,0 /*time*/, 0 /*xflags*/, OS_CODE);
s->startpos = 10L;
/* We use 10L instead of ftell(s->file) to because ftell causes an
* fflush on some systems. This version of the library doesn't use
* startpos anyway in write mode, so this initialization is not
* necessary.
*/
} else {
check_header(s); /* skip the .gz header */
s->startpos = (ftell(s->file) - s->stream.avail_in);
}
return (gzFile)s;
}
/* ===========================================================================
Opens a gzip (.gz) file for reading or writing.
*/
gzFile ZEXPORT gzopen (path, mode)
const char *path;
const char *mode;
{
return gz_open (path, mode, -1);
}
/* ===========================================================================
Associate a gzFile with the file descriptor fd. fd is not dup'ed here
to mimic the behavio(u)r of fdopen.
*/
gzFile ZEXPORT gzdopen (fd, mode)
int fd;
const char *mode;
{
char name[20];
if (fd < 0) return (gzFile)Z_NULL;
sprintf(name, "<fd:%d>", fd); /* for debugging */
return gz_open (name, mode, fd);
}
/* ===========================================================================
* Update the compression level and strategy
*/
int ZEXPORT gzsetparams (file, level, strategy)
gzFile file;
int level;
int strategy;
{
gz_stream *s = (gz_stream*)file;
if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
/* Make room to allow flushing */
if (s->stream.avail_out == 0) {
s->stream.next_out = s->outbuf;
if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) {
s->z_err = Z_ERRNO;
}
s->stream.avail_out = Z_BUFSIZE;
}
return deflateParams (&(s->stream), level, strategy);
}
/* ===========================================================================
Read a byte from a gz_stream; update next_in and avail_in. Return EOF
for end of file.
IN assertion: the stream s has been sucessfully opened for reading.
*/
local int get_byte(s)
gz_stream *s;
{
if (s->z_eof) return EOF;
if (s->stream.avail_in == 0) {
errno = 0;
s->stream.avail_in = fread(s->inbuf, 1, Z_BUFSIZE, s->file);
if (s->stream.avail_in == 0) {
s->z_eof = 1;
if (ferror(s->file)) s->z_err = Z_ERRNO;
return EOF;
}
s->stream.next_in = s->inbuf;
}
s->stream.avail_in--;
return *(s->stream.next_in)++;
}
/* ===========================================================================
Check the gzip header of a gz_stream opened for reading. Set the stream
mode to transparent if the gzip magic header is not present; set s->err
to Z_DATA_ERROR if the magic header is present but the rest of the header
is incorrect.
IN assertion: the stream s has already been created sucessfully;
s->stream.avail_in is zero for the first time, but may be non-zero
for concatenated .gz files.
*/
local void check_header(s)
gz_stream *s;
{
int method; /* method byte */
int flags; /* flags byte */
uInt len;
int c;
/* Check the gzip magic header */
for (len = 0; len < 2; len++) {
c = get_byte(s);
if (c != gz_magic[len]) {
if (len != 0) s->stream.avail_in++, s->stream.next_in--;
if (c != EOF) {
s->stream.avail_in++, s->stream.next_in--;
s->transparent = 1;
}
s->z_err = s->stream.avail_in != 0 ? Z_OK : Z_STREAM_END;
return;
}
}
method = get_byte(s);
flags = get_byte(s);
if (method != Z_DEFLATED || (flags & RESERVED) != 0) {
s->z_err = Z_DATA_ERROR;
return;
}
/* Discard time, xflags and OS code: */
for (len = 0; len < 6; len++) (void)get_byte(s);
if ((flags & EXTRA_FIELD) != 0) { /* skip the extra field */
len = (uInt)get_byte(s);
len += ((uInt)get_byte(s))<<8;
/* len is garbage if EOF but the loop below will quit anyway */
while (len-- != 0 && get_byte(s) != EOF) ;
}
if ((flags & ORIG_NAME) != 0) { /* skip the original file name */
while ((c = get_byte(s)) != 0 && c != EOF) ;
}
if ((flags & COMMENT) != 0) { /* skip the .gz file comment */
while ((c = get_byte(s)) != 0 && c != EOF) ;
}
if ((flags & HEAD_CRC) != 0) { /* skip the header crc */
for (len = 0; len < 2; len++) (void)get_byte(s);
}
s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK;
}
/* ===========================================================================
* Cleanup then free the given gz_stream. Return a zlib error code.
Try freeing in the reverse order of allocations.
*/
local int destroy (s)
gz_stream *s;
{
int err = Z_OK;
if (!s) return Z_STREAM_ERROR;
TRYFREE(s->msg);
if (s->stream.state != NULL) {
if (s->mode == 'w') {
#ifdef NO_DEFLATE
err = Z_STREAM_ERROR;
#else
err = deflateEnd(&(s->stream));
#endif
} else if (s->mode == 'r') {
err = inflateEnd(&(s->stream));
}
}
if (s->file != NULL && fclose(s->file)) {
#ifdef ESPIPE
if (errno != ESPIPE) /* fclose is broken for pipes in HP/UX */
#endif
err = Z_ERRNO;
}
if (s->z_err < 0) err = s->z_err;
TRYFREE(s->inbuf);
TRYFREE(s->outbuf);
TRYFREE(s->path);
TRYFREE(s);
return err;
}
/* ===========================================================================
Reads the given number of uncompressed bytes from the compressed file.
gzread returns the number of bytes actually read (0 for end of file).
*/
int ZEXPORT gzread (file, buf, len)
gzFile file;
voidp buf;
unsigned len;
{
gz_stream *s = (gz_stream*)file;
Bytef *start = (Bytef*)buf; /* starting point for crc computation */
Byte *next_out; /* == stream.next_out but not forced far (for MSDOS) */
if (s == NULL || s->mode != 'r') return Z_STREAM_ERROR;
if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1;
if (s->z_err == Z_STREAM_END) return 0; /* EOF */
next_out = (Byte*)buf;
s->stream.next_out = (Bytef*)buf;
s->stream.avail_out = len;
while (s->stream.avail_out != 0) {
if (s->transparent) {
/* Copy first the lookahead bytes: */
uInt n = s->stream.avail_in;
if (n > s->stream.avail_out) n = s->stream.avail_out;
if (n > 0) {
zmemcpy(s->stream.next_out, s->stream.next_in, n);
next_out += n;
s->stream.next_out = next_out;
s->stream.next_in += n;
s->stream.avail_out -= n;
s->stream.avail_in -= n;
}
if (s->stream.avail_out > 0) {
s->stream.avail_out -= fread(next_out, 1, s->stream.avail_out,
s->file);
}
len -= s->stream.avail_out;
s->stream.total_in += (uLong)len;
s->stream.total_out += (uLong)len;
if (len == 0) s->z_eof = 1;
return (int)len;
}
if (s->stream.avail_in == 0 && !s->z_eof) {
errno = 0;
s->stream.avail_in = fread(s->inbuf, 1, Z_BUFSIZE, s->file);
if (s->stream.avail_in == 0) {
s->z_eof = 1;
if (ferror(s->file)) {
s->z_err = Z_ERRNO;
break;
}
}
s->stream.next_in = s->inbuf;
}
s->z_err = inflate(&(s->stream), Z_NO_FLUSH);
if (s->z_err == Z_STREAM_END) {
/* Check CRC and original size */
s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start));
start = s->stream.next_out;
if (getLong(s) != s->crc) {
s->z_err = Z_DATA_ERROR;
} else {
(void)getLong(s);
/* The uncompressed length returned by above getlong() may
* be different from s->stream.total_out) in case of
* concatenated .gz files. Check for such files:
*/
check_header(s);
if (s->z_err == Z_OK) {
uLong total_in = s->stream.total_in;
uLong total_out = s->stream.total_out;
inflateReset(&(s->stream));
s->stream.total_in = total_in;
s->stream.total_out = total_out;
s->crc = crc32(0L, Z_NULL, 0);
}
}
}
if (s->z_err != Z_OK || s->z_eof) break;
}
s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start));
return (int)(len - s->stream.avail_out);
}
/* ===========================================================================
Reads one byte from the compressed file. gzgetc returns this byte
or -1 in case of end of file or error.
*/
int ZEXPORT gzgetc(file)
gzFile file;
{
unsigned char c;
return gzread(file, &c, 1) == 1 ? c : -1;
}
/* ===========================================================================
Reads bytes from the compressed file until len-1 characters are
read, or a newline character is read and transferred to buf, or an
end-of-file condition is encountered. The string is then terminated
with a null character.
gzgets returns buf, or Z_NULL in case of error.
The current implementation is not optimized at all.
*/
char * ZEXPORT gzgets(file, buf, len)
gzFile file;
char *buf;
int len;
{
char *b = buf;
if (buf == Z_NULL || len <= 0) return Z_NULL;
while (--len > 0 && gzread(file, buf, 1) == 1 && *buf++ != '\n') ;
*buf = '\0';
return b == buf && len > 0 ? Z_NULL : b;
}
#ifndef NO_DEFLATE
/* ===========================================================================
Writes the given number of uncompressed bytes into the compressed file.
gzwrite returns the number of bytes actually written (0 in case of error).
*/
int ZEXPORT gzwrite (file, buf, len)
gzFile file;
const voidp buf;
unsigned len;
{
gz_stream *s = (gz_stream*)file;
if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
s->stream.next_in = (Bytef*)buf;
s->stream.avail_in = len;
while (s->stream.avail_in != 0) {
if (s->stream.avail_out == 0) {
s->stream.next_out = s->outbuf;
if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) {
s->z_err = Z_ERRNO;
break;
}
s->stream.avail_out = Z_BUFSIZE;
}
s->z_err = deflate(&(s->stream), Z_NO_FLUSH);
if (s->z_err != Z_OK) break;
}
s->crc = crc32(s->crc, (const Bytef *)buf, len);
return (int)(len - s->stream.avail_in);
}
/* ===========================================================================
Converts, formats, and writes the args to the compressed file under
control of the format string, as in fprintf. gzprintf returns the number of
uncompressed bytes actually written (0 in case of error).
*/
#ifdef STDC
#include <stdarg.h>
int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...)
{
char buf[Z_PRINTF_BUFSIZE];
va_list va;
int len;
va_start(va, format);
#ifdef HAS_vsnprintf
(void)vsnprintf(buf, sizeof(buf), format, va);
#else
(void)vsprintf(buf, format, va);
#endif
va_end(va);
len = strlen(buf); /* some *sprintf don't return the nb of bytes written */
if (len <= 0) return 0;
return gzwrite(file, buf, (unsigned)len);
}
#else /* not ANSI C */
int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
gzFile file;
const char *format;
int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
{
char buf[Z_PRINTF_BUFSIZE];
int len;
#ifdef HAS_snprintf
snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
#else
sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
#endif
len = strlen(buf); /* old sprintf doesn't return the nb of bytes written */
if (len <= 0) return 0;
return gzwrite(file, buf, len);
}
#endif
/* ===========================================================================
Writes c, converted to an unsigned char, into the compressed file.
gzputc returns the value that was written, or -1 in case of error.
*/
int ZEXPORT gzputc(file, c)
gzFile file;
int c;
{
unsigned char cc = (unsigned char) c; /* required for big endian systems */
return gzwrite(file, &cc, 1) == 1 ? (int)cc : -1;
}
/* ===========================================================================
Writes the given null-terminated string to the compressed file, excluding
the terminating null character.
gzputs returns the number of characters written, or -1 in case of error.
*/
int ZEXPORT gzputs(file, s)
gzFile file;
const char *s;
{
return gzwrite(file, (char*)s, (unsigned)strlen(s));
}
/* ===========================================================================
Flushes all pending output into the compressed file. The parameter
flush is as in the deflate() function.
*/
local int do_flush (file, flush)
gzFile file;
int flush;
{
uInt len;
int done = 0;
gz_stream *s = (gz_stream*)file;
if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR;
s->stream.avail_in = 0; /* should be zero already anyway */
for (;;) {
len = Z_BUFSIZE - s->stream.avail_out;
if (len != 0) {
if ((uInt)fwrite(s->outbuf, 1, len, s->file) != len) {
s->z_err = Z_ERRNO;
return Z_ERRNO;
}
s->stream.next_out = s->outbuf;
s->stream.avail_out = Z_BUFSIZE;
}
if (done) break;
s->z_err = deflate(&(s->stream), flush);
/* Ignore the second of two consecutive flushes: */
if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK;
/* deflate has finished flushing only when it hasn't used up
* all the available space in the output buffer:
*/
done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END);
if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break;
}
return s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
}
int ZEXPORT gzflush (file, flush)
gzFile file;
int flush;
{
gz_stream *s = (gz_stream*)file;
int err = do_flush (file, flush);
if (err) return err;
fflush(s->file);
return s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
}
#endif /* NO_DEFLATE */
/* ===========================================================================
Sets the starting position for the next gzread or gzwrite on the given
compressed file. The offset represents a number of bytes in the
gzseek returns the resulting offset location as measured in bytes from
the beginning of the uncompressed stream, or -1 in case of error.
SEEK_END is not implemented, returns error.
In this version of the library, gzseek can be extremely slow.
*/
z_off_t ZEXPORT gzseek (file, offset, whence)
gzFile file;
z_off_t offset;
int whence;
{
gz_stream *s = (gz_stream*)file;
if (s == NULL || whence == SEEK_END ||
s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) {
return -1L;
}
if (s->mode == 'w') {
#ifdef NO_DEFLATE
return -1L;
#else
if (whence == SEEK_SET) {
offset -= s->stream.total_in;
}
if (offset < 0) return -1L;
/* At this point, offset is the number of zero bytes to write. */
if (s->inbuf == Z_NULL) {
s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); /* for seeking */
zmemzero(s->inbuf, Z_BUFSIZE);
}
while (offset > 0) {
uInt size = Z_BUFSIZE;
if (offset < Z_BUFSIZE) size = (uInt)offset;
size = gzwrite(file, s->inbuf, size);
if (size == 0) return -1L;
offset -= size;
}
return (z_off_t)s->stream.total_in;
#endif
}
/* Rest of function is for reading only */
/* compute absolute position */
if (whence == SEEK_CUR) {
offset += s->stream.total_out;
}
if (offset < 0) return -1L;
if (s->transparent) {
/* map to fseek */
s->stream.avail_in = 0;
s->stream.next_in = s->inbuf;
if (fseek(s->file, offset, SEEK_SET) < 0) return -1L;
s->stream.total_in = s->stream.total_out = (uLong)offset;
return offset;
}
/* For a negative seek, rewind and use positive seek */
if ((uLong)offset >= s->stream.total_out) {
offset -= s->stream.total_out;
} else if (gzrewind(file) < 0) {
return -1L;
}
/* offset is now the number of bytes to skip. */
if (offset != 0 && s->outbuf == Z_NULL) {
s->outbuf = (Byte*)ALLOC(Z_BUFSIZE);
}
while (offset > 0) {
int size = Z_BUFSIZE;
if (offset < Z_BUFSIZE) size = (int)offset;
size = gzread(file, s->outbuf, (uInt)size);
if (size <= 0) return -1L;
offset -= size;
}
return (z_off_t)s->stream.total_out;
}
/* ===========================================================================
Rewinds input file.
*/
int ZEXPORT gzrewind (file)
gzFile file;
{
gz_stream *s = (gz_stream*)file;
if (s == NULL || s->mode != 'r') return -1;
s->z_err = Z_OK;
s->z_eof = 0;
s->stream.avail_in = 0;
s->stream.next_in = s->inbuf;
s->crc = crc32(0L, Z_NULL, 0);
if (s->startpos == 0) { /* not a compressed file */
rewind(s->file);
return 0;
}
(void) inflateReset(&s->stream);
return fseek(s->file, s->startpos, SEEK_SET);
}
/* ===========================================================================
Returns the starting position for the next gzread or gzwrite on the
given compressed file. This position represents a number of bytes in the
uncompressed data stream.
*/
z_off_t ZEXPORT gztell (file)
gzFile file;
{
return gzseek(file, 0L, SEEK_CUR);
}
/* ===========================================================================
Returns 1 when EOF has previously been detected reading the given
input stream, otherwise zero.
*/
int ZEXPORT gzeof (file)
gzFile file;
{
gz_stream *s = (gz_stream*)file;
return (s == NULL || s->mode != 'r') ? 0 : s->z_eof;
}
/* ===========================================================================
Outputs a long in LSB order to the given file
*/
local void putLong (file, x)
FILE *file;
uLong x;
{
int n;
for (n = 0; n < 4; n++) {
fputc((int)(x & 0xff), file);
x >>= 8;
}
}
/* ===========================================================================
Reads a long in LSB order from the given gz_stream. Sets z_err in case
of error.
*/
local uLong getLong (s)
gz_stream *s;
{
uLong x = (uLong)get_byte(s);
int c;
x += ((uLong)get_byte(s))<<8;
x += ((uLong)get_byte(s))<<16;
c = get_byte(s);
if (c == EOF) s->z_err = Z_DATA_ERROR;
x += ((uLong)c)<<24;
return x;
}
/* ===========================================================================
Flushes all pending output if necessary, closes the compressed file
and deallocates all the (de)compression state.
*/
int ZEXPORT gzclose (file)
gzFile file;
{
int err;
gz_stream *s = (gz_stream*)file;
if (s == NULL) return Z_STREAM_ERROR;
if (s->mode == 'w') {
#ifdef NO_DEFLATE
return Z_STREAM_ERROR;
#else
err = do_flush (file, Z_FINISH);
if (err != Z_OK) return destroy((gz_stream*)file);
putLong (s->file, s->crc);
putLong (s->file, s->stream.total_in);
#endif
}
return destroy((gz_stream*)file);
}
/* ===========================================================================
Returns the error message for the last error which occured on the
given compressed file. errnum is set to zlib error number. If an
error occured in the file system and not in the compression library,
errnum is set to Z_ERRNO and the application may consult errno
to get the exact error code.
*/
const char* ZEXPORT gzerror (file, errnum)
gzFile file;
int *errnum;
{
char *m;
gz_stream *s = (gz_stream*)file;
if (s == NULL) {
*errnum = Z_STREAM_ERROR;
return (const char*)ERR_MSG(Z_STREAM_ERROR);
}
*errnum = s->z_err;
if (*errnum == Z_OK) return (const char*)"";
m = (char*)(*errnum == Z_ERRNO ? zstrerror(errno) : s->stream.msg);
if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err);
TRYFREE(s->msg);
s->msg = (char*)ALLOC(strlen(s->path) + strlen(m) + 3);
strcpy(s->msg, s->path);
strcat(s->msg, ": ");
strcat(s->msg, m);
return (const char*)s->msg;
}

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/* infblock.c -- interpret and process block types to last block
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
#include "inftrees.h"
#include "infcodes.h"
#include "infutil.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
/* Table for deflate from PKZIP's appnote.txt. */
local const uInt border[] = { /* Order of the bit length code lengths */
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
/*
Notes beyond the 1.93a appnote.txt:
1. Distance pointers never point before the beginning of the output
stream.
2. Distance pointers can point back across blocks, up to 32k away.
3. There is an implied maximum of 7 bits for the bit length table and
15 bits for the actual data.
4. If only one code exists, then it is encoded using one bit. (Zero
would be more efficient, but perhaps a little confusing.) If two
codes exist, they are coded using one bit each (0 and 1).
5. There is no way of sending zero distance codes--a dummy must be
sent if there are none. (History: a pre 2.0 version of PKZIP would
store blocks with no distance codes, but this was discovered to be
too harsh a criterion.) Valid only for 1.93a. 2.04c does allow
zero distance codes, which is sent as one code of zero bits in
length.
6. There are up to 286 literal/length codes. Code 256 represents the
end-of-block. Note however that the static length tree defines
288 codes just to fill out the Huffman codes. Codes 286 and 287
cannot be used though, since there is no length base or extra bits
defined for them. Similarily, there are up to 30 distance codes.
However, static trees define 32 codes (all 5 bits) to fill out the
Huffman codes, but the last two had better not show up in the data.
7. Unzip can check dynamic Huffman blocks for complete code sets.
The exception is that a single code would not be complete (see #4).
8. The five bits following the block type is really the number of
literal codes sent minus 257.
9. Length codes 8,16,16 are interpreted as 13 length codes of 8 bits
(1+6+6). Therefore, to output three times the length, you output
three codes (1+1+1), whereas to output four times the same length,
you only need two codes (1+3). Hmm.
10. In the tree reconstruction algorithm, Code = Code + Increment
only if BitLength(i) is not zero. (Pretty obvious.)
11. Correction: 4 Bits: # of Bit Length codes - 4 (4 - 19)
12. Note: length code 284 can represent 227-258, but length code 285
really is 258. The last length deserves its own, short code
since it gets used a lot in very redundant files. The length
258 is special since 258 - 3 (the min match length) is 255.
13. The literal/length and distance code bit lengths are read as a
single stream of lengths. It is possible (and advantageous) for
a repeat code (16, 17, or 18) to go across the boundary between
the two sets of lengths.
*/
void inflate_blocks_reset(s, z, c)
inflate_blocks_statef *s;
z_streamp z;
uLongf *c;
{
if (c != Z_NULL)
*c = s->check;
if (s->mode == BTREE || s->mode == DTREE)
ZFREE(z, s->sub.trees.blens);
if (s->mode == CODES)
inflate_codes_free(s->sub.decode.codes, z);
s->mode = TYPE;
s->bitk = 0;
s->bitb = 0;
s->read = s->write = s->window;
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(0L, (const Bytef *)Z_NULL, 0);
Tracev((stderr, "inflate: blocks reset\n"));
}
inflate_blocks_statef *inflate_blocks_new(z, c, w)
z_streamp z;
check_func c;
uInt w;
{
inflate_blocks_statef *s;
if ((s = (inflate_blocks_statef *)ZALLOC
(z,1,sizeof(struct inflate_blocks_state))) == Z_NULL)
return s;
if ((s->hufts =
(inflate_huft *)ZALLOC(z, sizeof(inflate_huft), MANY)) == Z_NULL)
{
ZFREE(z, s);
return Z_NULL;
}
if ((s->window = (Bytef *)ZALLOC(z, 1, w)) == Z_NULL)
{
ZFREE(z, s->hufts);
ZFREE(z, s);
return Z_NULL;
}
s->end = s->window + w;
s->checkfn = c;
s->mode = TYPE;
Tracev((stderr, "inflate: blocks allocated\n"));
inflate_blocks_reset(s, z, Z_NULL);
return s;
}
int inflate_blocks(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt t; /* temporary storage */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
/* copy input/output information to locals (UPDATE macro restores) */
LOAD
/* process input based on current state */
while (1) switch (s->mode)
{
case TYPE:
NEEDBITS(3)
t = (uInt)b & 7;
s->last = t & 1;
switch (t >> 1)
{
case 0: /* stored */
Tracev((stderr, "inflate: stored block%s\n",
s->last ? " (last)" : ""));
DUMPBITS(3)
t = k & 7; /* go to byte boundary */
DUMPBITS(t)
s->mode = LENS; /* get length of stored block */
break;
case 1: /* fixed */
Tracev((stderr, "inflate: fixed codes block%s\n",
s->last ? " (last)" : ""));
{
uInt bl, bd;
inflate_huft *tl, *td;
inflate_trees_fixed(&bl, &bd, &tl, &td, z);
s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z);
if (s->sub.decode.codes == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
}
DUMPBITS(3)
s->mode = CODES;
break;
case 2: /* dynamic */
Tracev((stderr, "inflate: dynamic codes block%s\n",
s->last ? " (last)" : ""));
DUMPBITS(3)
s->mode = TABLE;
break;
case 3: /* illegal */
DUMPBITS(3)
s->mode = BAD;
z->msg = (char*)"invalid block type";
r = Z_DATA_ERROR;
LEAVE
}
break;
case LENS:
NEEDBITS(32)
if ((((~b) >> 16) & 0xffff) != (b & 0xffff))
{
s->mode = BAD;
z->msg = (char*)"invalid stored block lengths";
r = Z_DATA_ERROR;
LEAVE
}
s->sub.left = (uInt)b & 0xffff;
b = k = 0; /* dump bits */
Tracev((stderr, "inflate: stored length %u\n", s->sub.left));
s->mode = s->sub.left ? STORED : (s->last ? DRY : TYPE);
break;
case STORED:
if (n == 0)
LEAVE
NEEDOUT
t = s->sub.left;
if (t > n) t = n;
if (t > m) t = m;
zmemcpy(q, p, t);
p += t; n -= t;
q += t; m -= t;
if ((s->sub.left -= t) != 0)
break;
Tracev((stderr, "inflate: stored end, %lu total out\n",
z->total_out + (q >= s->read ? q - s->read :
(s->end - s->read) + (q - s->window))));
s->mode = s->last ? DRY : TYPE;
break;
case TABLE:
NEEDBITS(14)
s->sub.trees.table = t = (uInt)b & 0x3fff;
#ifndef PKZIP_BUG_WORKAROUND
if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
{
s->mode = BAD;
z->msg = (char*)"too many length or distance symbols";
r = Z_DATA_ERROR;
LEAVE
}
#endif
t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
if ((s->sub.trees.blens = (uIntf*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
DUMPBITS(14)
s->sub.trees.index = 0;
Tracev((stderr, "inflate: table sizes ok\n"));
s->mode = BTREE;
case BTREE:
while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10))
{
NEEDBITS(3)
s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
DUMPBITS(3)
}
while (s->sub.trees.index < 19)
s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
s->sub.trees.bb = 7;
t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb,
&s->sub.trees.tb, s->hufts, z);
if (t != Z_OK)
{
ZFREE(z, s->sub.trees.blens);
r = t;
if (r == Z_DATA_ERROR)
s->mode = BAD;
LEAVE
}
s->sub.trees.index = 0;
Tracev((stderr, "inflate: bits tree ok\n"));
s->mode = DTREE;
case DTREE:
while (t = s->sub.trees.table,
s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))
{
inflate_huft *h;
uInt i, j, c;
t = s->sub.trees.bb;
NEEDBITS(t)
h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]);
t = h->bits;
c = h->base;
if (c < 16)
{
DUMPBITS(t)
s->sub.trees.blens[s->sub.trees.index++] = c;
}
else /* c == 16..18 */
{
i = c == 18 ? 7 : c - 14;
j = c == 18 ? 11 : 3;
NEEDBITS(t + i)
DUMPBITS(t)
j += (uInt)b & inflate_mask[i];
DUMPBITS(i)
i = s->sub.trees.index;
t = s->sub.trees.table;
if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) ||
(c == 16 && i < 1))
{
ZFREE(z, s->sub.trees.blens);
s->mode = BAD;
z->msg = (char*)"invalid bit length repeat";
r = Z_DATA_ERROR;
LEAVE
}
c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
do {
s->sub.trees.blens[i++] = c;
} while (--j);
s->sub.trees.index = i;
}
}
s->sub.trees.tb = Z_NULL;
{
uInt bl, bd;
inflate_huft *tl, *td;
inflate_codes_statef *c;
bl = 9; /* must be <= 9 for lookahead assumptions */
bd = 6; /* must be <= 9 for lookahead assumptions */
t = s->sub.trees.table;
t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
s->sub.trees.blens, &bl, &bd, &tl, &td,
s->hufts, z);
ZFREE(z, s->sub.trees.blens);
if (t != Z_OK)
{
if (t == (uInt)Z_DATA_ERROR)
s->mode = BAD;
r = t;
LEAVE
}
Tracev((stderr, "inflate: trees ok\n"));
if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
{
r = Z_MEM_ERROR;
LEAVE
}
s->sub.decode.codes = c;
}
s->mode = CODES;
case CODES:
UPDATE
if ((r = inflate_codes(s, z, r)) != Z_STREAM_END)
return inflate_flush(s, z, r);
r = Z_OK;
inflate_codes_free(s->sub.decode.codes, z);
LOAD
Tracev((stderr, "inflate: codes end, %lu total out\n",
z->total_out + (q >= s->read ? q - s->read :
(s->end - s->read) + (q - s->window))));
if (!s->last)
{
s->mode = TYPE;
break;
}
s->mode = DRY;
case DRY:
FLUSH
if (s->read != s->write)
LEAVE
s->mode = DONE;
case DONE:
r = Z_STREAM_END;
LEAVE
case BAD:
r = Z_DATA_ERROR;
LEAVE
default:
r = Z_STREAM_ERROR;
LEAVE
}
}
int inflate_blocks_free(s, z)
inflate_blocks_statef *s;
z_streamp z;
{
inflate_blocks_reset(s, z, Z_NULL);
ZFREE(z, s->window);
ZFREE(z, s->hufts);
ZFREE(z, s);
Tracev((stderr, "inflate: blocks freed\n"));
return Z_OK;
}
void inflate_set_dictionary(s, d, n)
inflate_blocks_statef *s;
const Bytef *d;
uInt n;
{
zmemcpy(s->window, d, n);
s->read = s->write = s->window + n;
}
/* Returns true if inflate is currently at the end of a block generated
* by Z_SYNC_FLUSH or Z_FULL_FLUSH.
* IN assertion: s != Z_NULL
*/
int inflate_blocks_sync_point(s)
inflate_blocks_statef *s;
{
return s->mode == LENS;
}

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/* infblock.h -- header to use infblock.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
struct inflate_blocks_state;
typedef struct inflate_blocks_state FAR inflate_blocks_statef;
extern inflate_blocks_statef * inflate_blocks_new OF((
z_streamp z,
check_func c, /* check function */
uInt w)); /* window size */
extern int inflate_blocks OF((
inflate_blocks_statef *,
z_streamp ,
int)); /* initial return code */
extern void inflate_blocks_reset OF((
inflate_blocks_statef *,
z_streamp ,
uLongf *)); /* check value on output */
extern int inflate_blocks_free OF((
inflate_blocks_statef *,
z_streamp));
extern void inflate_set_dictionary OF((
inflate_blocks_statef *s,
const Bytef *d, /* dictionary */
uInt n)); /* dictionary length */
extern int inflate_blocks_sync_point OF((
inflate_blocks_statef *s));

257
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/* infcodes.c -- process literals and length/distance pairs
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "infblock.h"
#include "infcodes.h"
#include "infutil.h"
#include "inffast.h"
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
typedef enum { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
START, /* x: set up for LEN */
LEN, /* i: get length/literal/eob next */
LENEXT, /* i: getting length extra (have base) */
DIST, /* i: get distance next */
DISTEXT, /* i: getting distance extra */
COPY, /* o: copying bytes in window, waiting for space */
LIT, /* o: got literal, waiting for output space */
WASH, /* o: got eob, possibly still output waiting */
END, /* x: got eob and all data flushed */
BADCODE} /* x: got error */
inflate_codes_mode;
/* inflate codes private state */
struct inflate_codes_state {
/* mode */
inflate_codes_mode mode; /* current inflate_codes mode */
/* mode dependent information */
uInt len;
union {
struct {
inflate_huft *tree; /* pointer into tree */
uInt need; /* bits needed */
} code; /* if LEN or DIST, where in tree */
uInt lit; /* if LIT, literal */
struct {
uInt get; /* bits to get for extra */
uInt dist; /* distance back to copy from */
} copy; /* if EXT or COPY, where and how much */
} sub; /* submode */
/* mode independent information */
Byte lbits; /* ltree bits decoded per branch */
Byte dbits; /* dtree bits decoder per branch */
inflate_huft *ltree; /* literal/length/eob tree */
inflate_huft *dtree; /* distance tree */
};
inflate_codes_statef *inflate_codes_new(bl, bd, tl, td, z)
uInt bl, bd;
inflate_huft *tl;
inflate_huft *td; /* need separate declaration for Borland C++ */
z_streamp z;
{
inflate_codes_statef *c;
if ((c = (inflate_codes_statef *)
ZALLOC(z,1,sizeof(struct inflate_codes_state))) != Z_NULL)
{
c->mode = START;
c->lbits = (Byte)bl;
c->dbits = (Byte)bd;
c->ltree = tl;
c->dtree = td;
Tracev((stderr, "inflate: codes new\n"));
}
return c;
}
int inflate_codes(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt j; /* temporary storage */
inflate_huft *t; /* temporary pointer */
uInt e; /* extra bits or operation */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
Bytef *f; /* pointer to copy strings from */
inflate_codes_statef *c = s->sub.decode.codes; /* codes state */
/* copy input/output information to locals (UPDATE macro restores) */
LOAD
/* process input and output based on current state */
while (1) switch (c->mode)
{ /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
case START: /* x: set up for LEN */
#ifndef SLOW
if (m >= 258 && n >= 10)
{
UPDATE
r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z);
LOAD
if (r != Z_OK)
{
c->mode = r == Z_STREAM_END ? WASH : BADCODE;
break;
}
}
#endif /* !SLOW */
c->sub.code.need = c->lbits;
c->sub.code.tree = c->ltree;
c->mode = LEN;
case LEN: /* i: get length/literal/eob next */
j = c->sub.code.need;
NEEDBITS(j)
t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
DUMPBITS(t->bits)
e = (uInt)(t->exop);
if (e == 0) /* literal */
{
c->sub.lit = t->base;
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", t->base));
c->mode = LIT;
break;
}
if (e & 16) /* length */
{
c->sub.copy.get = e & 15;
c->len = t->base;
c->mode = LENEXT;
break;
}
if ((e & 64) == 0) /* next table */
{
c->sub.code.need = e;
c->sub.code.tree = t + t->base;
break;
}
if (e & 32) /* end of block */
{
Tracevv((stderr, "inflate: end of block\n"));
c->mode = WASH;
break;
}
c->mode = BADCODE; /* invalid code */
z->msg = (char*)"invalid literal/length code";
r = Z_DATA_ERROR;
LEAVE
case LENEXT: /* i: getting length extra (have base) */
j = c->sub.copy.get;
NEEDBITS(j)
c->len += (uInt)b & inflate_mask[j];
DUMPBITS(j)
c->sub.code.need = c->dbits;
c->sub.code.tree = c->dtree;
Tracevv((stderr, "inflate: length %u\n", c->len));
c->mode = DIST;
case DIST: /* i: get distance next */
j = c->sub.code.need;
NEEDBITS(j)
t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
DUMPBITS(t->bits)
e = (uInt)(t->exop);
if (e & 16) /* distance */
{
c->sub.copy.get = e & 15;
c->sub.copy.dist = t->base;
c->mode = DISTEXT;
break;
}
if ((e & 64) == 0) /* next table */
{
c->sub.code.need = e;
c->sub.code.tree = t + t->base;
break;
}
c->mode = BADCODE; /* invalid code */
z->msg = (char*)"invalid distance code";
r = Z_DATA_ERROR;
LEAVE
case DISTEXT: /* i: getting distance extra */
j = c->sub.copy.get;
NEEDBITS(j)
c->sub.copy.dist += (uInt)b & inflate_mask[j];
DUMPBITS(j)
Tracevv((stderr, "inflate: distance %u\n", c->sub.copy.dist));
c->mode = COPY;
case COPY: /* o: copying bytes in window, waiting for space */
#ifndef __TURBOC__ /* Turbo C bug for following expression */
f = (uInt)(q - s->window) < c->sub.copy.dist ?
s->end - (c->sub.copy.dist - (q - s->window)) :
q - c->sub.copy.dist;
#else
f = q - c->sub.copy.dist;
if ((uInt)(q - s->window) < c->sub.copy.dist)
f = s->end - (c->sub.copy.dist - (uInt)(q - s->window));
#endif
while (c->len)
{
NEEDOUT
OUTBYTE(*f++)
if (f == s->end)
f = s->window;
c->len--;
}
c->mode = START;
break;
case LIT: /* o: got literal, waiting for output space */
NEEDOUT
OUTBYTE(c->sub.lit)
c->mode = START;
break;
case WASH: /* o: got eob, possibly more output */
if (k > 7) /* return unused byte, if any */
{
Assert(k < 16, "inflate_codes grabbed too many bytes")
k -= 8;
n++;
p--; /* can always return one */
}
FLUSH
if (s->read != s->write)
LEAVE
c->mode = END;
case END:
r = Z_STREAM_END;
LEAVE
case BADCODE: /* x: got error */
r = Z_DATA_ERROR;
LEAVE
default:
r = Z_STREAM_ERROR;
LEAVE
}
#ifdef NEED_DUMMY_RETURN
return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
void inflate_codes_free(c, z)
inflate_codes_statef *c;
z_streamp z;
{
ZFREE(z, c);
Tracev((stderr, "inflate: codes free\n"));
}

27
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/* infcodes.h -- header to use infcodes.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
struct inflate_codes_state;
typedef struct inflate_codes_state FAR inflate_codes_statef;
extern inflate_codes_statef *inflate_codes_new OF((
uInt, uInt,
inflate_huft *, inflate_huft *,
z_streamp ));
extern int inflate_codes OF((
inflate_blocks_statef *,
z_streamp ,
int));
extern void inflate_codes_free OF((
inflate_codes_statef *,
z_streamp ));

170
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/* inffast.c -- process literals and length/distance pairs fast
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "infblock.h"
#include "infcodes.h"
#include "infutil.h"
#include "inffast.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
/* macros for bit input with no checking and for returning unused bytes */
#define GRABBITS(j) {while(k<(j)){b|=((uLong)NEXTBYTE)<<k;k+=8;}}
#define UNGRAB {c=z->avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3;}
/* Called with number of bytes left to write in window at least 258
(the maximum string length) and number of input bytes available
at least ten. The ten bytes are six bytes for the longest length/
distance pair plus four bytes for overloading the bit buffer. */
int inflate_fast(bl, bd, tl, td, s, z)
uInt bl, bd;
inflate_huft *tl;
inflate_huft *td; /* need separate declaration for Borland C++ */
inflate_blocks_statef *s;
z_streamp z;
{
inflate_huft *t; /* temporary pointer */
uInt e; /* extra bits or operation */
uLong b; /* bit buffer */
uInt k; /* bits in bit buffer */
Bytef *p; /* input data pointer */
uInt n; /* bytes available there */
Bytef *q; /* output window write pointer */
uInt m; /* bytes to end of window or read pointer */
uInt ml; /* mask for literal/length tree */
uInt md; /* mask for distance tree */
uInt c; /* bytes to copy */
uInt d; /* distance back to copy from */
Bytef *r; /* copy source pointer */
/* load input, output, bit values */
LOAD
/* initialize masks */
ml = inflate_mask[bl];
md = inflate_mask[bd];
/* do until not enough input or output space for fast loop */
do { /* assume called with m >= 258 && n >= 10 */
/* get literal/length code */
GRABBITS(20) /* max bits for literal/length code */
if ((e = (t = tl + ((uInt)b & ml))->exop) == 0)
{
DUMPBITS(t->bits)
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: * literal '%c'\n" :
"inflate: * literal 0x%02x\n", t->base));
*q++ = (Byte)t->base;
m--;
continue;
}
do {
DUMPBITS(t->bits)
if (e & 16)
{
/* get extra bits for length */
e &= 15;
c = t->base + ((uInt)b & inflate_mask[e]);
DUMPBITS(e)
Tracevv((stderr, "inflate: * length %u\n", c));
/* decode distance base of block to copy */
GRABBITS(15); /* max bits for distance code */
e = (t = td + ((uInt)b & md))->exop;
do {
DUMPBITS(t->bits)
if (e & 16)
{
/* get extra bits to add to distance base */
e &= 15;
GRABBITS(e) /* get extra bits (up to 13) */
d = t->base + ((uInt)b & inflate_mask[e]);
DUMPBITS(e)
Tracevv((stderr, "inflate: * distance %u\n", d));
/* do the copy */
m -= c;
if ((uInt)(q - s->window) >= d) /* offset before dest */
{ /* just copy */
r = q - d;
*q++ = *r++; c--; /* minimum count is three, */
*q++ = *r++; c--; /* so unroll loop a little */
}
else /* else offset after destination */
{
e = d - (uInt)(q - s->window); /* bytes from offset to end */
r = s->end - e; /* pointer to offset */
if (c > e) /* if source crosses, */
{
c -= e; /* copy to end of window */
do {
*q++ = *r++;
} while (--e);
r = s->window; /* copy rest from start of window */
}
}
do { /* copy all or what's left */
*q++ = *r++;
} while (--c);
break;
}
else if ((e & 64) == 0)
{
t += t->base;
e = (t += ((uInt)b & inflate_mask[e]))->exop;
}
else
{
z->msg = (char*)"invalid distance code";
UNGRAB
UPDATE
return Z_DATA_ERROR;
}
} while (1);
break;
}
if ((e & 64) == 0)
{
t += t->base;
if ((e = (t += ((uInt)b & inflate_mask[e]))->exop) == 0)
{
DUMPBITS(t->bits)
Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
"inflate: * literal '%c'\n" :
"inflate: * literal 0x%02x\n", t->base));
*q++ = (Byte)t->base;
m--;
break;
}
}
else if (e & 32)
{
Tracevv((stderr, "inflate: * end of block\n"));
UNGRAB
UPDATE
return Z_STREAM_END;
}
else
{
z->msg = (char*)"invalid literal/length code";
UNGRAB
UPDATE
return Z_DATA_ERROR;
}
} while (1);
} while (m >= 258 && n >= 10);
/* not enough input or output--restore pointers and return */
UNGRAB
UPDATE
return Z_OK;
}

17
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/* inffast.h -- header to use inffast.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
extern int inflate_fast OF((
uInt,
uInt,
inflate_huft *,
inflate_huft *,
inflate_blocks_statef *,
z_streamp ));

151
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/* inffixed.h -- table for decoding fixed codes
* Generated automatically by the maketree.c program
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
local uInt fixed_bl = 9;
local uInt fixed_bd = 5;
local inflate_huft fixed_tl[] = {
{{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
{{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},192},
{{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},160},
{{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},224},
{{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},144},
{{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},208},
{{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},176},
{{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},240},
{{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
{{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},200},
{{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},168},
{{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},232},
{{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},152},
{{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},216},
{{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},184},
{{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},248},
{{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
{{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},196},
{{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},164},
{{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},228},
{{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},148},
{{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},212},
{{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},180},
{{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},244},
{{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},204},
{{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},172},
{{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},236},
{{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},156},
{{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},220},
{{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},188},
{{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},252},
{{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
{{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},194},
{{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},162},
{{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},226},
{{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},146},
{{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},210},
{{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},178},
{{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},242},
{{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
{{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},202},
{{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},170},
{{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},234},
{{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},154},
{{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},218},
{{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},186},
{{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},250},
{{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
{{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},198},
{{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},166},
{{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},230},
{{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},150},
{{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},214},
{{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},182},
{{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},246},
{{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},206},
{{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},174},
{{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},238},
{{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},158},
{{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},222},
{{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},190},
{{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},254},
{{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
{{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},193},
{{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},161},
{{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},225},
{{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},145},
{{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},209},
{{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},177},
{{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},241},
{{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
{{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},201},
{{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},169},
{{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},233},
{{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},153},
{{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},217},
{{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},185},
{{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},249},
{{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
{{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},197},
{{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},165},
{{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},229},
{{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},149},
{{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},213},
{{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},181},
{{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},245},
{{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},205},
{{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},173},
{{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},237},
{{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},157},
{{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},221},
{{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},189},
{{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},253},
{{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
{{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},195},
{{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},163},
{{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},227},
{{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},147},
{{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},211},
{{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},179},
{{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},243},
{{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
{{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},203},
{{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},171},
{{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},235},
{{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},155},
{{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},219},
{{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},187},
{{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},251},
{{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
{{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},199},
{{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},167},
{{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},231},
{{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},151},
{{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},215},
{{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},183},
{{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},247},
{{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
{{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},207},
{{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},175},
{{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},239},
{{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},159},
{{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},223},
{{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},191},
{{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},255}
};
local inflate_huft fixed_td[] = {
{{{80,5}},1}, {{{87,5}},257}, {{{83,5}},17}, {{{91,5}},4097},
{{{81,5}},5}, {{{89,5}},1025}, {{{85,5}},65}, {{{93,5}},16385},
{{{80,5}},3}, {{{88,5}},513}, {{{84,5}},33}, {{{92,5}},8193},
{{{82,5}},9}, {{{90,5}},2049}, {{{86,5}},129}, {{{192,5}},24577},
{{{80,5}},2}, {{{87,5}},385}, {{{83,5}},25}, {{{91,5}},6145},
{{{81,5}},7}, {{{89,5}},1537}, {{{85,5}},97}, {{{93,5}},24577},
{{{80,5}},4}, {{{88,5}},769}, {{{84,5}},49}, {{{92,5}},12289},
{{{82,5}},13}, {{{90,5}},3073}, {{{86,5}},193}, {{{192,5}},24577}
};

366
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/* inflate.c -- zlib interface to inflate modules
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
struct inflate_blocks_state {int dummy;}; /* for buggy compilers */
typedef enum {
METHOD, /* waiting for method byte */
FLAG, /* waiting for flag byte */
DICT4, /* four dictionary check bytes to go */
DICT3, /* three dictionary check bytes to go */
DICT2, /* two dictionary check bytes to go */
DICT1, /* one dictionary check byte to go */
DICT0, /* waiting for inflateSetDictionary */
BLOCKS, /* decompressing blocks */
CHECK4, /* four check bytes to go */
CHECK3, /* three check bytes to go */
CHECK2, /* two check bytes to go */
CHECK1, /* one check byte to go */
DONE, /* finished check, done */
BAD} /* got an error--stay here */
inflate_mode;
/* inflate private state */
struct internal_state {
/* mode */
inflate_mode mode; /* current inflate mode */
/* mode dependent information */
union {
uInt method; /* if FLAGS, method byte */
struct {
uLong was; /* computed check value */
uLong need; /* stream check value */
} check; /* if CHECK, check values to compare */
uInt marker; /* if BAD, inflateSync's marker bytes count */
} sub; /* submode */
/* mode independent information */
int nowrap; /* flag for no wrapper */
uInt wbits; /* log2(window size) (8..15, defaults to 15) */
inflate_blocks_statef
*blocks; /* current inflate_blocks state */
};
int ZEXPORT inflateReset(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL)
return Z_STREAM_ERROR;
z->total_in = z->total_out = 0;
z->msg = Z_NULL;
z->state->mode = z->state->nowrap ? BLOCKS : METHOD;
inflate_blocks_reset(z->state->blocks, z, Z_NULL);
Tracev((stderr, "inflate: reset\n"));
return Z_OK;
}
int ZEXPORT inflateEnd(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL)
return Z_STREAM_ERROR;
if (z->state->blocks != Z_NULL)
inflate_blocks_free(z->state->blocks, z);
ZFREE(z, z->state);
z->state = Z_NULL;
Tracev((stderr, "inflate: end\n"));
return Z_OK;
}
int ZEXPORT inflateInit2_(z, w, version, stream_size)
z_streamp z;
int w;
const char *version;
int stream_size;
{
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
stream_size != sizeof(z_stream))
return Z_VERSION_ERROR;
/* initialize state */
if (z == Z_NULL)
return Z_STREAM_ERROR;
z->msg = Z_NULL;
if (z->zalloc == Z_NULL)
{
z->zalloc = zcalloc;
z->opaque = (voidpf)0;
}
if (z->zfree == Z_NULL) z->zfree = zcfree;
if ((z->state = (struct internal_state FAR *)
ZALLOC(z,1,sizeof(struct internal_state))) == Z_NULL)
return Z_MEM_ERROR;
z->state->blocks = Z_NULL;
/* handle undocumented nowrap option (no zlib header or check) */
z->state->nowrap = 0;
if (w < 0)
{
w = - w;
z->state->nowrap = 1;
}
/* set window size */
if (w < 8 || w > 15)
{
inflateEnd(z);
return Z_STREAM_ERROR;
}
z->state->wbits = (uInt)w;
/* create inflate_blocks state */
if ((z->state->blocks =
inflate_blocks_new(z, z->state->nowrap ? Z_NULL : adler32, (uInt)1 << w))
== Z_NULL)
{
inflateEnd(z);
return Z_MEM_ERROR;
}
Tracev((stderr, "inflate: allocated\n"));
/* reset state */
inflateReset(z);
return Z_OK;
}
int ZEXPORT inflateInit_(z, version, stream_size)
z_streamp z;
const char *version;
int stream_size;
{
return inflateInit2_(z, DEF_WBITS, version, stream_size);
}
#define NEEDBYTE {if(z->avail_in==0)return r;r=f;}
#define NEXTBYTE (z->avail_in--,z->total_in++,*z->next_in++)
int ZEXPORT inflate(z, f)
z_streamp z;
int f;
{
int r;
uInt b;
if (z == Z_NULL || z->state == Z_NULL || z->next_in == Z_NULL)
return Z_STREAM_ERROR;
f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
r = Z_BUF_ERROR;
while (1) switch (z->state->mode)
{
case METHOD:
NEEDBYTE
if (((z->state->sub.method = NEXTBYTE) & 0xf) != Z_DEFLATED)
{
z->state->mode = BAD;
z->msg = (char*)"unknown compression method";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
if ((z->state->sub.method >> 4) + 8 > z->state->wbits)
{
z->state->mode = BAD;
z->msg = (char*)"invalid window size";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
z->state->mode = FLAG;
case FLAG:
NEEDBYTE
b = NEXTBYTE;
if (((z->state->sub.method << 8) + b) % 31)
{
z->state->mode = BAD;
z->msg = (char*)"incorrect header check";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
Tracev((stderr, "inflate: zlib header ok\n"));
if (!(b & PRESET_DICT))
{
z->state->mode = BLOCKS;
break;
}
z->state->mode = DICT4;
case DICT4:
NEEDBYTE
z->state->sub.check.need = (uLong)NEXTBYTE << 24;
z->state->mode = DICT3;
case DICT3:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 16;
z->state->mode = DICT2;
case DICT2:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 8;
z->state->mode = DICT1;
case DICT1:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE;
z->adler = z->state->sub.check.need;
z->state->mode = DICT0;
return Z_NEED_DICT;
case DICT0:
z->state->mode = BAD;
z->msg = (char*)"need dictionary";
z->state->sub.marker = 0; /* can try inflateSync */
return Z_STREAM_ERROR;
case BLOCKS:
r = inflate_blocks(z->state->blocks, z, r);
if (r == Z_DATA_ERROR)
{
z->state->mode = BAD;
z->state->sub.marker = 0; /* can try inflateSync */
break;
}
if (r == Z_OK)
r = f;
if (r != Z_STREAM_END)
return r;
r = f;
inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was);
if (z->state->nowrap)
{
z->state->mode = DONE;
break;
}
z->state->mode = CHECK4;
case CHECK4:
NEEDBYTE
z->state->sub.check.need = (uLong)NEXTBYTE << 24;
z->state->mode = CHECK3;
case CHECK3:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 16;
z->state->mode = CHECK2;
case CHECK2:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE << 8;
z->state->mode = CHECK1;
case CHECK1:
NEEDBYTE
z->state->sub.check.need += (uLong)NEXTBYTE;
if (z->state->sub.check.was != z->state->sub.check.need)
{
z->state->mode = BAD;
z->msg = (char*)"incorrect data check";
z->state->sub.marker = 5; /* can't try inflateSync */
break;
}
Tracev((stderr, "inflate: zlib check ok\n"));
z->state->mode = DONE;
case DONE:
return Z_STREAM_END;
case BAD:
return Z_DATA_ERROR;
default:
return Z_STREAM_ERROR;
}
#ifdef NEED_DUMMY_RETURN
return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
int ZEXPORT inflateSetDictionary(z, dictionary, dictLength)
z_streamp z;
const Bytef *dictionary;
uInt dictLength;
{
uInt length = dictLength;
if (z == Z_NULL || z->state == Z_NULL || z->state->mode != DICT0)
return Z_STREAM_ERROR;
if (adler32(1L, dictionary, dictLength) != z->adler) return Z_DATA_ERROR;
z->adler = 1L;
if (length >= ((uInt)1<<z->state->wbits))
{
length = (1<<z->state->wbits)-1;
dictionary += dictLength - length;
}
inflate_set_dictionary(z->state->blocks, dictionary, length);
z->state->mode = BLOCKS;
return Z_OK;
}
int ZEXPORT inflateSync(z)
z_streamp z;
{
uInt n; /* number of bytes to look at */
Bytef *p; /* pointer to bytes */
uInt m; /* number of marker bytes found in a row */
uLong r, w; /* temporaries to save total_in and total_out */
/* set up */
if (z == Z_NULL || z->state == Z_NULL)
return Z_STREAM_ERROR;
if (z->state->mode != BAD)
{
z->state->mode = BAD;
z->state->sub.marker = 0;
}
if ((n = z->avail_in) == 0)
return Z_BUF_ERROR;
p = z->next_in;
m = z->state->sub.marker;
/* search */
while (n && m < 4)
{
static const Byte mark[4] = {0, 0, 0xff, 0xff};
if (*p == mark[m])
m++;
else if (*p)
m = 0;
else
m = 4 - m;
p++, n--;
}
/* restore */
z->total_in += p - z->next_in;
z->next_in = p;
z->avail_in = n;
z->state->sub.marker = m;
/* return no joy or set up to restart on a new block */
if (m != 4)
return Z_DATA_ERROR;
r = z->total_in; w = z->total_out;
inflateReset(z);
z->total_in = r; z->total_out = w;
z->state->mode = BLOCKS;
return Z_OK;
}
/* Returns true if inflate is currently at the end of a block generated
* by Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
* implementation to provide an additional safety check. PPP uses Z_SYNC_FLUSH
* but removes the length bytes of the resulting empty stored block. When
* decompressing, PPP checks that at the end of input packet, inflate is
* waiting for these length bytes.
*/
int ZEXPORT inflateSyncPoint(z)
z_streamp z;
{
if (z == Z_NULL || z->state == Z_NULL || z->state->blocks == Z_NULL)
return Z_STREAM_ERROR;
return inflate_blocks_sync_point(z->state->blocks);
}

455
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/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#if !defined(BUILDFIXED) && !defined(STDC)
# define BUILDFIXED /* non ANSI compilers may not accept inffixed.h */
#endif
const char inflate_copyright[] =
" inflate 1.1.3 Copyright 1995-1998 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
include such an acknowledgment, I would appreciate that you keep this
copyright string in the executable of your product.
*/
struct internal_state {int dummy;}; /* for buggy compilers */
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
local int huft_build OF((
uIntf *, /* code lengths in bits */
uInt, /* number of codes */
uInt, /* number of "simple" codes */
const uIntf *, /* list of base values for non-simple codes */
const uIntf *, /* list of extra bits for non-simple codes */
inflate_huft * FAR*,/* result: starting table */
uIntf *, /* maximum lookup bits (returns actual) */
inflate_huft *, /* space for trees */
uInt *, /* hufts used in space */
uIntf * )); /* space for values */
/* Tables for deflate from PKZIP's appnote.txt. */
local const uInt cplens[31] = { /* Copy lengths for literal codes 257..285 */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
/* see note #13 above about 258 */
local const uInt cplext[31] = { /* Extra bits for literal codes 257..285 */
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112}; /* 112==invalid */
local const uInt cpdist[30] = { /* Copy offsets for distance codes 0..29 */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577};
local const uInt cpdext[30] = { /* Extra bits for distance codes */
0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13};
/*
Huffman code decoding is performed using a multi-level table lookup.
The fastest way to decode is to simply build a lookup table whose
size is determined by the longest code. However, the time it takes
to build this table can also be a factor if the data being decoded
is not very long. The most common codes are necessarily the
shortest codes, so those codes dominate the decoding time, and hence
the speed. The idea is you can have a shorter table that decodes the
shorter, more probable codes, and then point to subsidiary tables for
the longer codes. The time it costs to decode the longer codes is
then traded against the time it takes to make longer tables.
This results of this trade are in the variables lbits and dbits
below. lbits is the number of bits the first level table for literal/
length codes can decode in one step, and dbits is the same thing for
the distance codes. Subsequent tables are also less than or equal to
those sizes. These values may be adjusted either when all of the
codes are shorter than that, in which case the longest code length in
bits is used, or when the shortest code is *longer* than the requested
table size, in which case the length of the shortest code in bits is
used.
There are two different values for the two tables, since they code a
different number of possibilities each. The literal/length table
codes 286 possible values, or in a flat code, a little over eight
bits. The distance table codes 30 possible values, or a little less
than five bits, flat. The optimum values for speed end up being
about one bit more than those, so lbits is 8+1 and dbits is 5+1.
The optimum values may differ though from machine to machine, and
possibly even between compilers. Your mileage may vary.
*/
/* If BMAX needs to be larger than 16, then h and x[] should be uLong. */
#define BMAX 15 /* maximum bit length of any code */
local int huft_build(b, n, s, d, e, t, m, hp, hn, v)
uIntf *b; /* code lengths in bits (all assumed <= BMAX) */
uInt n; /* number of codes (assumed <= 288) */
uInt s; /* number of simple-valued codes (0..s-1) */
const uIntf *d; /* list of base values for non-simple codes */
const uIntf *e; /* list of extra bits for non-simple codes */
inflate_huft * FAR *t; /* result: starting table */
uIntf *m; /* maximum lookup bits, returns actual */
inflate_huft *hp; /* space for trees */
uInt *hn; /* hufts used in space */
uIntf *v; /* working area: values in order of bit length */
/* Given a list of code lengths and a maximum table size, make a set of
tables to decode that set of codes. Return Z_OK on success, Z_BUF_ERROR
if the given code set is incomplete (the tables are still built in this
case), Z_DATA_ERROR if the input is invalid (an over-subscribed set of
lengths), or Z_MEM_ERROR if not enough memory. */
{
uInt a; /* counter for codes of length k */
uInt c[BMAX+1]; /* bit length count table */
uInt f; /* i repeats in table every f entries */
int g; /* maximum code length */
int h; /* table level */
register uInt i; /* counter, current code */
register uInt j; /* counter */
register int k; /* number of bits in current code */
int l; /* bits per table (returned in m) */
uInt mask; /* (1 << w) - 1, to avoid cc -O bug on HP */
register uIntf *p; /* pointer into c[], b[], or v[] */
inflate_huft *q; /* points to current table */
struct inflate_huft_s r; /* table entry for structure assignment */
inflate_huft *u[BMAX]; /* table stack */
register int w; /* bits before this table == (l * h) */
uInt x[BMAX+1]; /* bit offsets, then code stack */
uIntf *xp; /* pointer into x */
int y; /* number of dummy codes added */
uInt z; /* number of entries in current table */
/* Generate counts for each bit length */
p = c;
#define C0 *p++ = 0;
#define C2 C0 C0 C0 C0
#define C4 C2 C2 C2 C2
C4 /* clear c[]--assume BMAX+1 is 16 */
p = b; i = n;
do {
c[*p++]++; /* assume all entries <= BMAX */
} while (--i);
if (c[0] == n) /* null input--all zero length codes */
{
*t = (inflate_huft *)Z_NULL;
*m = 0;
return Z_OK;
}
/* Find minimum and maximum length, bound *m by those */
l = *m;
for (j = 1; j <= BMAX; j++)
if (c[j])
break;
k = j; /* minimum code length */
if ((uInt)l < j)
l = j;
for (i = BMAX; i; i--)
if (c[i])
break;
g = i; /* maximum code length */
if ((uInt)l > i)
l = i;
*m = l;
/* Adjust last length count to fill out codes, if needed */
for (y = 1 << j; j < i; j++, y <<= 1)
if ((y -= c[j]) < 0)
return Z_DATA_ERROR;
if ((y -= c[i]) < 0)
return Z_DATA_ERROR;
c[i] += y;
/* Generate starting offsets into the value table for each length */
x[1] = j = 0;
p = c + 1; xp = x + 2;
while (--i) { /* note that i == g from above */
*xp++ = (j += *p++);
}
/* Make a table of values in order of bit lengths */
p = b; i = 0;
do {
if ((j = *p++) != 0)
v[x[j]++] = i;
} while (++i < n);
n = x[g]; /* set n to length of v */
/* Generate the Huffman codes and for each, make the table entries */
x[0] = i = 0; /* first Huffman code is zero */
p = v; /* grab values in bit order */
h = -1; /* no tables yet--level -1 */
w = -l; /* bits decoded == (l * h) */
u[0] = (inflate_huft *)Z_NULL; /* just to keep compilers happy */
q = (inflate_huft *)Z_NULL; /* ditto */
z = 0; /* ditto */
/* go through the bit lengths (k already is bits in shortest code) */
for (; k <= g; k++)
{
a = c[k];
while (a--)
{
/* here i is the Huffman code of length k bits for value *p */
/* make tables up to required level */
while (k > w + l)
{
h++;
w += l; /* previous table always l bits */
/* compute minimum size table less than or equal to l bits */
z = g - w;
z = z > (uInt)l ? l : z; /* table size upper limit */
if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */
{ /* too few codes for k-w bit table */
f -= a + 1; /* deduct codes from patterns left */
xp = c + k;
if (j < z)
while (++j < z) /* try smaller tables up to z bits */
{
if ((f <<= 1) <= *++xp)
break; /* enough codes to use up j bits */
f -= *xp; /* else deduct codes from patterns */
}
}
z = 1 << j; /* table entries for j-bit table */
/* allocate new table */
if (*hn + z > MANY) /* (note: doesn't matter for fixed) */
return Z_MEM_ERROR; /* not enough memory */
u[h] = q = hp + *hn;
*hn += z;
/* connect to last table, if there is one */
if (h)
{
x[h] = i; /* save pattern for backing up */
r.bits = (Byte)l; /* bits to dump before this table */
r.exop = (Byte)j; /* bits in this table */
j = i >> (w - l);
r.base = (uInt)(q - u[h-1] - j); /* offset to this table */
u[h-1][j] = r; /* connect to last table */
}
else
*t = q; /* first table is returned result */
}
/* set up table entry in r */
r.bits = (Byte)(k - w);
if (p >= v + n)
r.exop = 128 + 64; /* out of values--invalid code */
else if (*p < s)
{
r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */
r.base = *p++; /* simple code is just the value */
}
else
{
r.exop = (Byte)(e[*p - s] + 16 + 64);/* non-simple--look up in lists */
r.base = d[*p++ - s];
}
/* fill code-like entries with r */
f = 1 << (k - w);
for (j = i >> w; j < z; j += f)
q[j] = r;
/* backwards increment the k-bit code i */
for (j = 1 << (k - 1); i & j; j >>= 1)
i ^= j;
i ^= j;
/* backup over finished tables */
mask = (1 << w) - 1; /* needed on HP, cc -O bug */
while ((i & mask) != x[h])
{
h--; /* don't need to update q */
w -= l;
mask = (1 << w) - 1;
}
}
}
/* Return Z_BUF_ERROR if we were given an incomplete table */
return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
}
int inflate_trees_bits(c, bb, tb, hp, z)
uIntf *c; /* 19 code lengths */
uIntf *bb; /* bits tree desired/actual depth */
inflate_huft * FAR *tb; /* bits tree result */
inflate_huft *hp; /* space for trees */
z_streamp z; /* for messages */
{
int r;
uInt hn = 0; /* hufts used in space */
uIntf *v; /* work area for huft_build */
if ((v = (uIntf*)ZALLOC(z, 19, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
r = huft_build(c, 19, 19, (uIntf*)Z_NULL, (uIntf*)Z_NULL,
tb, bb, hp, &hn, v);
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed dynamic bit lengths tree";
else if (r == Z_BUF_ERROR || *bb == 0)
{
z->msg = (char*)"incomplete dynamic bit lengths tree";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
}
int inflate_trees_dynamic(nl, nd, c, bl, bd, tl, td, hp, z)
uInt nl; /* number of literal/length codes */
uInt nd; /* number of distance codes */
uIntf *c; /* that many (total) code lengths */
uIntf *bl; /* literal desired/actual bit depth */
uIntf *bd; /* distance desired/actual bit depth */
inflate_huft * FAR *tl; /* literal/length tree result */
inflate_huft * FAR *td; /* distance tree result */
inflate_huft *hp; /* space for trees */
z_streamp z; /* for messages */
{
int r;
uInt hn = 0; /* hufts used in space */
uIntf *v; /* work area for huft_build */
/* allocate work area */
if ((v = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
/* build literal/length tree */
r = huft_build(c, nl, 257, cplens, cplext, tl, bl, hp, &hn, v);
if (r != Z_OK || *bl == 0)
{
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed literal/length tree";
else if (r != Z_MEM_ERROR)
{
z->msg = (char*)"incomplete literal/length tree";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
}
/* build distance tree */
r = huft_build(c + nl, nd, 0, cpdist, cpdext, td, bd, hp, &hn, v);
if (r != Z_OK || (*bd == 0 && nl > 257))
{
if (r == Z_DATA_ERROR)
z->msg = (char*)"oversubscribed distance tree";
else if (r == Z_BUF_ERROR) {
#ifdef PKZIP_BUG_WORKAROUND
r = Z_OK;
}
#else
z->msg = (char*)"incomplete distance tree";
r = Z_DATA_ERROR;
}
else if (r != Z_MEM_ERROR)
{
z->msg = (char*)"empty distance tree with lengths";
r = Z_DATA_ERROR;
}
ZFREE(z, v);
return r;
#endif
}
/* done */
ZFREE(z, v);
return Z_OK;
}
/* build fixed tables only once--keep them here */
#ifdef BUILDFIXED
local int fixed_built = 0;
#define FIXEDH 544 /* number of hufts used by fixed tables */
local inflate_huft fixed_mem[FIXEDH];
local uInt fixed_bl;
local uInt fixed_bd;
local inflate_huft *fixed_tl;
local inflate_huft *fixed_td;
#else
#include "inffixed.h"
#endif
int inflate_trees_fixed(bl, bd, tl, td, z)
uIntf *bl; /* literal desired/actual bit depth */
uIntf *bd; /* distance desired/actual bit depth */
inflate_huft * FAR *tl; /* literal/length tree result */
inflate_huft * FAR *td; /* distance tree result */
z_streamp z; /* for memory allocation */
{
#ifdef BUILDFIXED
/* build fixed tables if not already */
if (!fixed_built)
{
int k; /* temporary variable */
uInt f = 0; /* number of hufts used in fixed_mem */
uIntf *c; /* length list for huft_build */
uIntf *v; /* work area for huft_build */
/* allocate memory */
if ((c = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
return Z_MEM_ERROR;
if ((v = (uIntf*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
{
ZFREE(z, c);
return Z_MEM_ERROR;
}
/* literal table */
for (k = 0; k < 144; k++)
c[k] = 8;
for (; k < 256; k++)
c[k] = 9;
for (; k < 280; k++)
c[k] = 7;
for (; k < 288; k++)
c[k] = 8;
fixed_bl = 9;
huft_build(c, 288, 257, cplens, cplext, &fixed_tl, &fixed_bl,
fixed_mem, &f, v);
/* distance table */
for (k = 0; k < 30; k++)
c[k] = 5;
fixed_bd = 5;
huft_build(c, 30, 0, cpdist, cpdext, &fixed_td, &fixed_bd,
fixed_mem, &f, v);
/* done */
ZFREE(z, v);
ZFREE(z, c);
fixed_built = 1;
}
#endif
*bl = fixed_bl;
*bd = fixed_bd;
*tl = fixed_tl;
*td = fixed_td;
return Z_OK;
}

58
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/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Huffman code lookup table entry--this entry is four bytes for machines
that have 16-bit pointers (e.g. PC's in the small or medium model). */
typedef struct inflate_huft_s FAR inflate_huft;
struct inflate_huft_s {
union {
struct {
Byte Exop; /* number of extra bits or operation */
Byte Bits; /* number of bits in this code or subcode */
} what;
uInt pad; /* pad structure to a power of 2 (4 bytes for */
} word; /* 16-bit, 8 bytes for 32-bit int's) */
uInt base; /* literal, length base, distance base,
or table offset */
};
/* Maximum size of dynamic tree. The maximum found in a long but non-
exhaustive search was 1004 huft structures (850 for length/literals
and 154 for distances, the latter actually the result of an
exhaustive search). The actual maximum is not known, but the
value below is more than safe. */
#define MANY 1440
extern int inflate_trees_bits OF((
uIntf *, /* 19 code lengths */
uIntf *, /* bits tree desired/actual depth */
inflate_huft * FAR *, /* bits tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
extern int inflate_trees_dynamic OF((
uInt, /* number of literal/length codes */
uInt, /* number of distance codes */
uIntf *, /* that many (total) code lengths */
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
inflate_huft *, /* space for trees */
z_streamp)); /* for messages */
extern int inflate_trees_fixed OF((
uIntf *, /* literal desired/actual bit depth */
uIntf *, /* distance desired/actual bit depth */
inflate_huft * FAR *, /* literal/length tree result */
inflate_huft * FAR *, /* distance tree result */
z_streamp)); /* for memory allocation */

87
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/* inflate_util.c -- data and routines common to blocks and codes
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "infblock.h"
#include "inftrees.h"
#include "infcodes.h"
#include "infutil.h"
struct inflate_codes_state {int dummy;}; /* for buggy compilers */
/* And'ing with mask[n] masks the lower n bits */
uInt inflate_mask[17] = {
0x0000,
0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
};
/* copy as much as possible from the sliding window to the output area */
int inflate_flush(s, z, r)
inflate_blocks_statef *s;
z_streamp z;
int r;
{
uInt n;
Bytef *p;
Bytef *q;
/* local copies of source and destination pointers */
p = z->next_out;
q = s->read;
/* compute number of bytes to copy as far as end of window */
n = (uInt)((q <= s->write ? s->write : s->end) - q);
if (n > z->avail_out) n = z->avail_out;
if (n && r == Z_BUF_ERROR) r = Z_OK;
/* update counters */
z->avail_out -= n;
z->total_out += n;
/* update check information */
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(s->check, q, n);
/* copy as far as end of window */
zmemcpy(p, q, n);
p += n;
q += n;
/* see if more to copy at beginning of window */
if (q == s->end)
{
/* wrap pointers */
q = s->window;
if (s->write == s->end)
s->write = s->window;
/* compute bytes to copy */
n = (uInt)(s->write - q);
if (n > z->avail_out) n = z->avail_out;
if (n && r == Z_BUF_ERROR) r = Z_OK;
/* update counters */
z->avail_out -= n;
z->total_out += n;
/* update check information */
if (s->checkfn != Z_NULL)
z->adler = s->check = (*s->checkfn)(s->check, q, n);
/* copy */
zmemcpy(p, q, n);
p += n;
q += n;
}
/* update pointers */
z->next_out = p;
s->read = q;
/* done */
return r;
}

98
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/* infutil.h -- types and macros common to blocks and codes
* Copyright (C) 1995-1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
#ifndef _INFUTIL_H
#define _INFUTIL_H
typedef enum {
TYPE, /* get type bits (3, including end bit) */
LENS, /* get lengths for stored */
STORED, /* processing stored block */
TABLE, /* get table lengths */
BTREE, /* get bit lengths tree for a dynamic block */
DTREE, /* get length, distance trees for a dynamic block */
CODES, /* processing fixed or dynamic block */
DRY, /* output remaining window bytes */
DONE, /* finished last block, done */
BAD} /* got a data error--stuck here */
inflate_block_mode;
/* inflate blocks semi-private state */
struct inflate_blocks_state {
/* mode */
inflate_block_mode mode; /* current inflate_block mode */
/* mode dependent information */
union {
uInt left; /* if STORED, bytes left to copy */
struct {
uInt table; /* table lengths (14 bits) */
uInt index; /* index into blens (or border) */
uIntf *blens; /* bit lengths of codes */
uInt bb; /* bit length tree depth */
inflate_huft *tb; /* bit length decoding tree */
} trees; /* if DTREE, decoding info for trees */
struct {
inflate_codes_statef
*codes;
} decode; /* if CODES, current state */
} sub; /* submode */
uInt last; /* true if this block is the last block */
/* mode independent information */
uInt bitk; /* bits in bit buffer */
uLong bitb; /* bit buffer */
inflate_huft *hufts; /* single malloc for tree space */
Bytef *window; /* sliding window */
Bytef *end; /* one byte after sliding window */
Bytef *read; /* window read pointer */
Bytef *write; /* window write pointer */
check_func checkfn; /* check function */
uLong check; /* check on output */
};
/* defines for inflate input/output */
/* update pointers and return */
#define UPDBITS {s->bitb=b;s->bitk=k;}
#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
#define UPDOUT {s->write=q;}
#define UPDATE {UPDBITS UPDIN UPDOUT}
#define LEAVE {UPDATE return inflate_flush(s,z,r);}
/* get bytes and bits */
#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
#define NEXTBYTE (n--,*p++)
#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
#define DUMPBITS(j) {b>>=(j);k-=(j);}
/* output bytes */
#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
/* load local pointers */
#define LOAD {LOADIN LOADOUT}
/* masks for lower bits (size given to avoid silly warnings with Visual C++) */
extern uInt inflate_mask[17];
/* copy as much as possible from the sliding window to the output area */
extern int inflate_flush OF((
inflate_blocks_statef *,
z_streamp ,
int));
struct internal_state {int dummy;}; /* for buggy compilers */
#endif

70
src/Kyoto/zlib/libz.def Normal file
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; c:\PROGRA~1\MINGW\BIN\dlltool.exe --export-all --output-def libz.def adler32.o compress.o crc32.o deflate.o gzio.o infblock.o infcodes.o inffast.o inflate.o inftrees.o infutil.o trees.o uncompr.o zutil.o
EXPORTS
gzseek @ 1 ;
_length_code @ 2 DATA ;
_tr_align @ 3 ;
_tr_flush_block @ 4 ;
_tr_init @ 5 ;
_tr_stored_block @ 6 ;
_tr_tally @ 7 ;
adler32 @ 8 ;
compress @ 9 ;
compress2 @ 10 ;
crc32 @ 11 ;
deflate @ 12 ;
deflateCopy @ 13 ;
deflateEnd @ 14 ;
deflateInit2_ @ 15 ;
deflateInit_ @ 16 ;
deflateParams @ 17 ;
deflateReset @ 18 ;
deflateSetDictionary @ 19 ;
deflate_copyright @ 20 DATA ;
get_crc_table @ 21 ;
gzclose @ 22 ;
gzdopen @ 23 ;
gzeof @ 24 ;
gzerror @ 25 ;
gzflush @ 26 ;
gzgetc @ 27 ;
gzgets @ 28 ;
gzopen @ 29 ;
gzprintf @ 30 ;
gzputc @ 31 ;
gzputs @ 32 ;
gzread @ 33 ;
gzrewind @ 34 ;
_dist_code @ 35 DATA ;
gzsetparams @ 36 ;
gztell @ 37 ;
gzwrite @ 38 ;
inflate @ 39 ;
inflateEnd @ 40 ;
inflateInit2_ @ 41 ;
inflateInit_ @ 42 ;
inflateReset @ 43 ;
inflateSetDictionary @ 44 ;
inflateSync @ 45 ;
inflateSyncPoint @ 46 ;
inflate_blocks @ 47 ;
inflate_blocks_free @ 48 ;
inflate_blocks_new @ 49 ;
inflate_blocks_reset @ 50 ;
inflate_blocks_sync_point @ 51 ;
inflate_codes @ 52 ;
inflate_codes_free @ 53 ;
inflate_codes_new @ 54 ;
inflate_copyright @ 55 DATA ;
inflate_fast @ 56 ;
inflate_flush @ 57 ;
inflate_mask @ 58 DATA ;
inflate_set_dictionary @ 59 ;
inflate_trees_bits @ 60 ;
inflate_trees_dynamic @ 61 ;
inflate_trees_fixed @ 62 ;
uncompress @ 63 ;
zError @ 64 ;
z_errmsg @ 65 DATA ;
zcalloc @ 66 ;
zcfree @ 67 ;
zlibVersion @ 68 ;

33
src/Kyoto/zlib/libz.rc Normal file
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#include <windows.h>
#define IDR_VERSION1 1
//IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE
VS_VERSION_INFO VERSIONINFO
FILEVERSION 1,1,3,0
PRODUCTVERSION 1,1,3,0
FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
FILEFLAGS 0
FILEOS VOS_DOS_WINDOWS32
FILETYPE VFT_DLL
FILESUBTYPE 0 // not used
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904E4"
//language ID = U.S. English, char set = Windows, Multilingual
BEGIN
VALUE "FileDescription", "zlib data compression library\0"
VALUE "FileVersion", "1.1.3\0"
VALUE "InternalName", "zlib\0"
VALUE "OriginalFilename", "zlib.dll\0"
VALUE "ProductName", "ZLib.DLL\0"
VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
VALUE "LegalCopyright", "(C) 1995-1998 Jean-loup Gailly & Mark Adler\0"
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x0409, 1252
END
END

85
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/* maketree.c -- make inffixed.h table for decoding fixed codes
* Copyright (C) 1998 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* This program is included in the distribution for completeness.
You do not need to compile or run this program since inffixed.h
is already included in the distribution. To use this program
you need to compile zlib with BUILDFIXED defined and then compile
and link this program with the zlib library. Then the output of
this program can be piped to inffixed.h. */
#include <stdio.h>
#include <stdlib.h>
#include "zutil.h"
#include "inftrees.h"
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
#define bits word.what.Bits
/* generate initialization table for an inflate_huft structure array */
void maketree(uInt b, inflate_huft *t)
{
int i, e;
i = 0;
while (1)
{
e = t[i].exop;
if (e && (e & (16+64)) == 0) /* table pointer */
{
fprintf(stderr, "maketree: cannot initialize sub-tables!\n");
exit(1);
}
if (i % 4 == 0)
printf("\n ");
printf(" {{{%u,%u}},%u}", t[i].exop, t[i].bits, t[i].base);
if (++i == (1<<b))
break;
putchar(',');
}
puts("");
}
/* create the fixed tables in C initialization syntax */
void main(void)
{
int r;
uInt bl, bd;
inflate_huft *tl, *td;
z_stream z;
z.zalloc = zcalloc;
z.opaque = (voidpf)0;
z.zfree = zcfree;
r = inflate_trees_fixed(&bl, &bd, &tl, &td, &z);
if (r)
{
fprintf(stderr, "inflate_trees_fixed error %d\n", r);
return;
}
puts("/* inffixed.h -- table for decoding fixed codes");
puts(" * Generated automatically by the maketree.c program");
puts(" */");
puts("");
puts("/* WARNING: this file should *not* be used by applications. It is");
puts(" part of the implementation of the compression library and is");
puts(" subject to change. Applications should only use zlib.h.");
puts(" */");
puts("");
printf("local uInt fixed_bl = %d;\n", bl);
printf("local uInt fixed_bd = %d;\n", bd);
printf("local inflate_huft fixed_tl[] = {");
maketree(bl, tl);
puts(" };");
printf("local inflate_huft fixed_td[] = {");
maketree(bd, td);
puts(" };");
}

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/* minigzip.c -- simulate gzip using the zlib compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/*
* minigzip is a minimal implementation of the gzip utility. This is
* only an example of using zlib and isn't meant to replace the
* full-featured gzip. No attempt is made to deal with file systems
* limiting names to 14 or 8+3 characters, etc... Error checking is
* very limited. So use minigzip only for testing; use gzip for the
* real thing. On MSDOS, use only on file names without extension
* or in pipe mode.
*/
/* @(#) $Id$ */
#include <stdio.h>
#include "zlib.h"
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#else
extern void exit OF((int));
#endif
#ifdef USE_MMAP
# include <sys/types.h>
# include <sys/mman.h>
# include <sys/stat.h>
#endif
#if defined(MSDOS) || defined(OS2) || defined(WIN32)
# include <fcntl.h>
# include <io.h>
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
#else
# define SET_BINARY_MODE(file)
#endif
#ifdef VMS
# define unlink delete
# define GZ_SUFFIX "-gz"
#endif
#ifdef RISCOS
# define unlink remove
# define GZ_SUFFIX "-gz"
# define fileno(file) file->__file
#endif
#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fileno */
#endif
#ifndef WIN32 /* unlink already in stdio.h for WIN32 */
extern int unlink OF((const char *));
#endif
#ifndef GZ_SUFFIX
# define GZ_SUFFIX ".gz"
#endif
#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)
#define BUFLEN 16384
#define MAX_NAME_LEN 1024
#ifdef MAXSEG_64K
# define local static
/* Needed for systems with limitation on stack size. */
#else
# define local
#endif
char *prog;
void error OF((const char *msg));
void gz_compress OF((FILE *in, gzFile out));
#ifdef USE_MMAP
int gz_compress_mmap OF((FILE *in, gzFile out));
#endif
void gz_uncompress OF((gzFile in, FILE *out));
void file_compress OF((char *file, char *mode));
void file_uncompress OF((char *file));
int main OF((int argc, char *argv[]));
/* ===========================================================================
* Display error message and exit
*/
void error(msg)
const char *msg;
{
fprintf(stderr, "%s: %s\n", prog, msg);
exit(1);
}
/* ===========================================================================
* Compress input to output then close both files.
*/
void gz_compress(in, out)
FILE *in;
gzFile out;
{
local char buf[BUFLEN];
int len;
int err;
#ifdef USE_MMAP
/* Try first compressing with mmap. If mmap fails (minigzip used in a
* pipe), use the normal fread loop.
*/
if (gz_compress_mmap(in, out) == Z_OK) return;
#endif
for (;;) {
len = fread(buf, 1, sizeof(buf), in);
if (ferror(in)) {
perror("fread");
exit(1);
}
if (len == 0) break;
if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err));
}
fclose(in);
if (gzclose(out) != Z_OK) error("failed gzclose");
}
#ifdef USE_MMAP /* MMAP version, Miguel Albrecht <malbrech@eso.org> */
/* Try compressing the input file at once using mmap. Return Z_OK if
* if success, Z_ERRNO otherwise.
*/
int gz_compress_mmap(in, out)
FILE *in;
gzFile out;
{
int len;
int err;
int ifd = fileno(in);
caddr_t buf; /* mmap'ed buffer for the entire input file */
off_t buf_len; /* length of the input file */
struct stat sb;
/* Determine the size of the file, needed for mmap: */
if (fstat(ifd, &sb) < 0) return Z_ERRNO;
buf_len = sb.st_size;
if (buf_len <= 0) return Z_ERRNO;
/* Now do the actual mmap: */
buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0);
if (buf == (caddr_t)(-1)) return Z_ERRNO;
/* Compress the whole file at once: */
len = gzwrite(out, (char *)buf, (unsigned)buf_len);
if (len != (int)buf_len) error(gzerror(out, &err));
munmap(buf, buf_len);
fclose(in);
if (gzclose(out) != Z_OK) error("failed gzclose");
return Z_OK;
}
#endif /* USE_MMAP */
/* ===========================================================================
* Uncompress input to output then close both files.
*/
void gz_uncompress(in, out)
gzFile in;
FILE *out;
{
local char buf[BUFLEN];
int len;
int err;
for (;;) {
len = gzread(in, buf, sizeof(buf));
if (len < 0) error (gzerror(in, &err));
if (len == 0) break;
if ((int)fwrite(buf, 1, (unsigned)len, out) != len) {
error("failed fwrite");
}
}
if (fclose(out)) error("failed fclose");
if (gzclose(in) != Z_OK) error("failed gzclose");
}
/* ===========================================================================
* Compress the given file: create a corresponding .gz file and remove the
* original.
*/
void file_compress(file, mode)
char *file;
char *mode;
{
local char outfile[MAX_NAME_LEN];
FILE *in;
gzFile out;
strcpy(outfile, file);
strcat(outfile, GZ_SUFFIX);
in = fopen(file, "rb");
if (in == NULL) {
perror(file);
exit(1);
}
out = gzopen(outfile, mode);
if (out == NULL) {
fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile);
exit(1);
}
gz_compress(in, out);
unlink(file);
}
/* ===========================================================================
* Uncompress the given file and remove the original.
*/
void file_uncompress(file)
char *file;
{
local char buf[MAX_NAME_LEN];
char *infile, *outfile;
FILE *out;
gzFile in;
int len = strlen(file);
strcpy(buf, file);
if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
infile = file;
outfile = buf;
outfile[len-3] = '\0';
} else {
outfile = file;
infile = buf;
strcat(infile, GZ_SUFFIX);
}
in = gzopen(infile, "rb");
if (in == NULL) {
fprintf(stderr, "%s: can't gzopen %s\n", prog, infile);
exit(1);
}
out = fopen(outfile, "wb");
if (out == NULL) {
perror(file);
exit(1);
}
gz_uncompress(in, out);
unlink(infile);
}
/* ===========================================================================
* Usage: minigzip [-d] [-f] [-h] [-1 to -9] [files...]
* -d : decompress
* -f : compress with Z_FILTERED
* -h : compress with Z_HUFFMAN_ONLY
* -1 to -9 : compression level
*/
int main(argc, argv)
int argc;
char *argv[];
{
int uncompr = 0;
gzFile file;
char outmode[20];
strcpy(outmode, "wb6 ");
prog = argv[0];
argc--, argv++;
while (argc > 0) {
if (strcmp(*argv, "-d") == 0)
uncompr = 1;
else if (strcmp(*argv, "-f") == 0)
outmode[3] = 'f';
else if (strcmp(*argv, "-h") == 0)
outmode[3] = 'h';
else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' &&
(*argv)[2] == 0)
outmode[2] = (*argv)[1];
else
break;
argc--, argv++;
}
if (argc == 0) {
SET_BINARY_MODE(stdin);
SET_BINARY_MODE(stdout);
if (uncompr) {
file = gzdopen(fileno(stdin), "rb");
if (file == NULL) error("can't gzdopen stdin");
gz_uncompress(file, stdout);
} else {
file = gzdopen(fileno(stdout), outmode);
if (file == NULL) error("can't gzdopen stdout");
gz_compress(stdin, file);
}
} else {
do {
if (uncompr) {
file_uncompress(*argv);
} else {
file_compress(*argv, outmode);
}
} while (argv++, --argc);
}
exit(0);
return 0; /* to avoid warning */
}

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# Makefile for zlib
# Borland C++
# This version of the zlib makefile was adapted by Chris Young for use
# with Borland C 4.5x with the Dos Power Pack for a 32-bit protected mode
# flat memory model. It was created for use with POV-Ray ray tracer and
# you may choose to edit the CFLAGS to suit your needs but the
# switches -WX and -DMSDOS are required.
# -- Chris Young 76702.1655@compuserve.com
# To use, do "make -fmakefile.b32"
# See zconf.h for details about the memory requirements.
# ------------- Borland C++ -------------
MODEL=-WX
CFLAGS= $(MODEL) -P-C -K -N- -k- -d -3 -r- -v- -f -DMSDOS
CC=bcc32
LD=bcc32
LIB=tlib
LDFLAGS= $(MODEL)
O=.obj
# variables
OBJ1 = adler32$(O) compress$(O) crc32$(O) gzio$(O) uncompr$(O) deflate$(O) \
trees$(O)
OBJP1 = adler32$(O)+compress$(O)+crc32$(O)+gzio$(O)+uncompr$(O)+deflate$(O)+\
trees$(O)
OBJ2 = zutil$(O) inflate$(O) infblock$(O) inftrees$(O) infcodes$(O) \
infutil$(O) inffast$(O)
OBJP2 = zutil$(O)+inflate$(O)+infblock$(O)+inftrees$(O)+infcodes$(O)+\
infutil$(O)+inffast$(O)
all: test
adler32.obj: adler32.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
compress.obj: compress.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
crc32.obj: crc32.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
gzio.obj: gzio.c zutil.h zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
infblock.obj: infblock.c zutil.h zlib.h zconf.h infblock.h inftrees.h\
infcodes.h infutil.h
$(CC) -c $(CFLAGS) $*.c
infcodes.obj: infcodes.c zutil.h zlib.h zconf.h inftrees.h infutil.h\
infcodes.h inffast.h
$(CC) -c $(CFLAGS) $*.c
inflate.obj: inflate.c zutil.h zlib.h zconf.h infblock.h
$(CC) -c $(CFLAGS) $*.c
inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h
$(CC) -c $(CFLAGS) $*.c
infutil.obj: infutil.c zutil.h zlib.h zconf.h inftrees.h infutil.h
$(CC) -c $(CFLAGS) $*.c
inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h
$(CC) -c $(CFLAGS) $*.c
trees.obj: trees.c deflate.h zutil.h zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
uncompr.obj: uncompr.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
zutil.obj: zutil.c zutil.h zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
example.obj: example.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
minigzip.obj: minigzip.c zlib.h zconf.h
$(CC) -c $(CFLAGS) $*.c
# we must cut the command line to fit in the MS/DOS 128 byte limit:
zlib.lib: $(OBJ1) $(OBJ2)
del zlib.lib
$(LIB) zlib +$(OBJP1)
$(LIB) zlib +$(OBJP2)
example.exe: example.obj zlib.lib
$(LD) $(LDFLAGS) example.obj zlib.lib
minigzip.exe: minigzip.obj zlib.lib
$(LD) $(LDFLAGS) minigzip.obj zlib.lib
test: example.exe minigzip.exe
example
echo hello world | minigzip | minigzip -d
#clean:
# del *.obj
# del *.exe

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# Makefile for zlib
# Borland C++ ************ UNTESTED ***********
# To use, do "make -fmakefile.bor"
# To compile in small model, set below: MODEL=s
# WARNING: the small model is supported but only for small values of
# MAX_WBITS and MAX_MEM_LEVEL. For example:
# -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3
# If you wish to reduce the memory requirements (default 256K for big
# objects plus a few K), you can add to the LOC macro below:
# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
# See zconf.h for details about the memory requirements.
# ------------- Turbo C++, Borland C++ -------------
# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7)
# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added
# to the declaration of LOC here:
LOC = $(LOCAL_ZLIB)
# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc.
CPU_TYP = 0
# Memory model: one of s, m, c, l (small, medium, compact, large)
MODEL=l
CC=bcc
# replace bcc with tcc for Turbo C++ 1.0, with bcc32 for the 32 bit version
LD=$(CC)
AR=tlib
# compiler flags
CFLAGS=-O2 -Z -m$(MODEL) $(LOC)
# replace "-O2" by "-O -G -a -d" for Turbo C++ 1.0
LDFLAGS=-m$(MODEL)
O=.obj
# variables
OBJ1 = adler32$(O) compress$(O) crc32$(O) gzio$(O) uncompr$(O) deflate$(O) \
trees$(O)
OBJP1 = adler32$(O)+compress$(O)+crc32$(O)+gzio$(O)+uncompr$(O)+deflate$(O)+\
trees$(O)
OBJ2 = zutil$(O) inflate$(O) infblock$(O) inftrees$(O) infcodes$(O) \
infutil$(O) inffast$(O)
OBJP2 = zutil$(O)+inflate$(O)+infblock$(O)+inftrees$(O)+infcodes$(O)+\
infutil$(O)+inffast$(O)
ZLIB_H = zlib.h zconf.h
ZUTIL_H = zutil.h $(ZLIB_H)
ZLIB_LIB = zlib_$(MODEL).lib
all: test
# individual dependencies and action rules:
adler32.obj: adler32.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
compress.obj: compress.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
crc32.obj: crc32.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
deflate.obj: deflate.c deflate.h $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
gzio.obj: gzio.c $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
infblock.obj: infblock.c $(ZUTIL_H) infblock.h inftrees.h infcodes.h infutil.h
$(CC) -c $(CFLAGS) $*.c
infcodes.obj: infcodes.c $(ZUTIL_H) inftrees.h infutil.h infcodes.h inffast.h
$(CC) -c $(CFLAGS) $*.c
inflate.obj: inflate.c $(ZUTIL_H) infblock.h
$(CC) -c $(CFLAGS) $*.c
inftrees.obj: inftrees.c $(ZUTIL_H) inftrees.h
$(CC) -c $(CFLAGS) $*.c
infutil.obj: infutil.c $(ZUTIL_H) inftrees.h infutil.h
$(CC) -c $(CFLAGS) $*.c
inffast.obj: inffast.c $(ZUTIL_H) inftrees.h infutil.h inffast.h
$(CC) -c $(CFLAGS) $*.c
trees.obj: trees.c deflate.h $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
uncompr.obj: uncompr.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
zutil.obj: zutil.c $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
example.obj: example.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
minigzip.obj: minigzip.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
# we must cut the command line to fit in the MS/DOS 128 byte limit:
$(ZLIB_LIB): $(OBJ1) $(OBJ2)
del $(ZLIB_LIB)
$(AR) $(ZLIB_LIB) +$(OBJP1)
$(AR) $(ZLIB_LIB) +$(OBJP2)
example.exe: example.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) example.obj $(ZLIB_LIB)
minigzip.exe: minigzip.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB)
test: example.exe minigzip.exe
example
echo hello world | minigzip | minigzip -d
#clean:
# del *.obj
# del *.exe

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# Makefile for zlib. Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96.
# Copyright (C) 1995-1998 Jean-loup Gailly.
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile, or to compile and test, type:
#
# make -fmakefile.dj2; make test -fmakefile.dj2
#
# To install libz.a, zconf.h and zlib.h in the djgpp directories, type:
#
# make install -fmakefile.dj2
#
# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as
# in the sample below if the pattern of the DJGPP distribution is to
# be followed. Remember that, while <sp>'es around <=> are ignored in
# makefiles, they are *not* in batch files or in djgpp.env.
# - - - - -
# [make]
# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include
# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib
# BUTT=-m486
# - - - - -
# Alternately, these variables may be defined below, overriding the values
# in djgpp.env, as
# INCLUDE_PATH=c:\usr\include
# LIBRARY_PATH=c:\usr\lib
CC=gcc
#CFLAGS=-MMD -O
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-MMD -g -DDEBUG
CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-Wstrict-prototypes -Wmissing-prototypes
# If cp.exe is available, replace "copy /Y" with "cp -fp" .
CP=copy /Y
# If gnu install.exe is available, replace $(CP) with ginstall.
INSTALL=$(CP)
# The default value of RM is "rm -f." If "rm.exe" is found, comment out:
RM=del
LDLIBS=-L. -lz
LD=$(CC) -s -o
LDSHARED=$(CC)
INCL=zlib.h zconf.h
LIBS=libz.a
AR=ar rcs
prefix=/usr/local
exec_prefix = $(prefix)
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
TEST_OBJS = example.o minigzip.o
all: example.exe minigzip.exe
test: all
./example
echo hello world | .\minigzip | .\minigzip -d
%.o : %.c
$(CC) $(CFLAGS) -c $< -o $@
libz.a: $(OBJS)
$(AR) $@ $(OBJS)
%.exe : %.o $(LIBS)
$(LD) $@ $< $(LDLIBS)
# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env .
.PHONY : uninstall clean
install: $(INCL) $(LIBS)
-@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH)
-@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH)
$(INSTALL) zlib.h $(INCLUDE_PATH)
$(INSTALL) zconf.h $(INCLUDE_PATH)
$(INSTALL) libz.a $(LIBRARY_PATH)
uninstall:
$(RM) $(INCLUDE_PATH)\zlib.h
$(RM) $(INCLUDE_PATH)\zconf.h
$(RM) $(LIBRARY_PATH)\libz.a
clean:
$(RM) *.d
$(RM) *.o
$(RM) *.exe
$(RM) libz.a
$(RM) foo.gz
DEPS := $(wildcard *.d)
ifneq ($(DEPS),)
include $(DEPS)
endif

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# Makefile for zlib. Modified for emx 0.9c by Chr. Spieler, 6/17/98.
# Copyright (C) 1995-1998 Jean-loup Gailly.
# For conditions of distribution and use, see copyright notice in zlib.h
# To compile, or to compile and test, type:
#
# make -fmakefile.emx; make test -fmakefile.emx
#
CC=gcc
#CFLAGS=-MMD -O
#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
#CFLAGS=-MMD -g -DDEBUG
CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-Wstrict-prototypes -Wmissing-prototypes
# If cp.exe is available, replace "copy /Y" with "cp -fp" .
CP=copy /Y
# If gnu install.exe is available, replace $(CP) with ginstall.
INSTALL=$(CP)
# The default value of RM is "rm -f." If "rm.exe" is found, comment out:
RM=del
LDLIBS=-L. -lzlib
LD=$(CC) -s -o
LDSHARED=$(CC)
INCL=zlib.h zconf.h
LIBS=zlib.a
AR=ar rcs
prefix=/usr/local
exec_prefix = $(prefix)
OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
TEST_OBJS = example.o minigzip.o
all: example.exe minigzip.exe
test: all
./example
echo hello world | .\minigzip | .\minigzip -d
%.o : %.c
$(CC) $(CFLAGS) -c $< -o $@
zlib.a: $(OBJS)
$(AR) $@ $(OBJS)
%.exe : %.o $(LIBS)
$(LD) $@ $< $(LDLIBS)
.PHONY : clean
clean:
$(RM) *.d
$(RM) *.o
$(RM) *.exe
$(RM) zlib.a
$(RM) foo.gz
DEPS := $(wildcard *.d)
ifneq ($(DEPS),)
include $(DEPS)
endif

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# Makefile for zlib
# Microsoft C 5.1 or later
# To use, do "make makefile.msc"
# To compile in small model, set below: MODEL=S
# If you wish to reduce the memory requirements (default 256K for big
# objects plus a few K), you can add to the LOC macro below:
# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
# See zconf.h for details about the memory requirements.
# ------------- Microsoft C 5.1 and later -------------
# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7)
# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added
# to the declaration of LOC here:
LOC = $(LOCAL_ZLIB)
# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc.
CPU_TYP = 0
# Memory model: one of S, M, C, L (small, medium, compact, large)
MODEL=L
CC=cl
CFLAGS=-nologo -A$(MODEL) -G$(CPU_TYP) -W3 -Oait -Gs $(LOC)
#-Ox generates bad code with MSC 5.1
LIB_CFLAGS=-Zl $(CFLAGS)
LD=link
LDFLAGS=/noi/e/st:0x1500/noe/farcall/packcode
# "/farcall/packcode" are only useful for `large code' memory models
# but should be a "no-op" for small code models.
O=.obj
# variables
OBJ1 = adler32$(O) compress$(O) crc32$(O) gzio$(O) uncompr$(O) deflate$(O) \
trees$(O)
OBJP1 = adler32$(O)+compress$(O)+crc32$(O)+gzio$(O)+uncompr$(O)+deflate$(O)+\
trees$(O)
OBJ2 = zutil$(O) inflate$(O) infblock$(O) inftrees$(O) infcodes$(O) \
infutil$(O) inffast$(O)
OBJP2 = zutil$(O)+inflate$(O)+infblock$(O)+inftrees$(O)+infcodes$(O)+\
infutil$(O)+inffast$(O)
ZLIB_H = zlib.h zconf.h
ZUTIL_H = zutil.h $(ZLIB_H)
ZLIB_LIB = zlib_$(MODEL).lib
all: $(ZLIB_LIB) example.exe minigzip.exe
# individual dependencies and action rules:
adler32.obj: adler32.c $(ZLIB_H)
$(CC) -c $(LIB_CFLAGS) $*.c
compress.obj: compress.c $(ZLIB_H)
$(CC) -c $(LIB_CFLAGS) $*.c
crc32.obj: crc32.c $(ZLIB_H)
$(CC) -c $(LIB_CFLAGS) $*.c
deflate.obj: deflate.c deflate.h $(ZUTIL_H)
$(CC) -c $(LIB_CFLAGS) $*.c
gzio.obj: gzio.c $(ZUTIL_H)
$(CC) -c $(LIB_CFLAGS) $*.c
infblock.obj: infblock.c $(ZUTIL_H) infblock.h inftrees.h infcodes.h infutil.h
$(CC) -c $(LIB_CFLAGS) $*.c
infcodes.obj: infcodes.c $(ZUTIL_H) inftrees.h infutil.h infcodes.h inffast.h
$(CC) -c $(LIB_CFLAGS) $*.c
inflate.obj: inflate.c $(ZUTIL_H) infblock.h
$(CC) -c $(LIB_CFLAGS) $*.c
inftrees.obj: inftrees.c $(ZUTIL_H) inftrees.h
$(CC) -c $(LIB_CFLAGS) $*.c
infutil.obj: infutil.c $(ZUTIL_H) inftrees.h infutil.h
$(CC) -c $(LIB_CFLAGS) $*.c
inffast.obj: inffast.c $(ZUTIL_H) inftrees.h infutil.h inffast.h
$(CC) -c $(LIB_CFLAGS) $*.c
trees.obj: trees.c deflate.h $(ZUTIL_H)
$(CC) -c $(LIB_CFLAGS) $*.c
uncompr.obj: uncompr.c $(ZLIB_H)
$(CC) -c $(LIB_CFLAGS) $*.c
zutil.obj: zutil.c $(ZUTIL_H)
$(CC) -c $(LIB_CFLAGS) $*.c
example.obj: example.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
minigzip.obj: minigzip.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
# we must cut the command line to fit in the MS/DOS 128 byte limit:
$(ZLIB_LIB): $(OBJ1) $(OBJ2)
if exist $(ZLIB_LIB) del $(ZLIB_LIB)
lib $(ZLIB_LIB) $(OBJ1);
lib $(ZLIB_LIB) $(OBJ2);
example.exe: example.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) example.obj,,,$(ZLIB_LIB);
minigzip.exe: minigzip.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) minigzip.obj,,,$(ZLIB_LIB);
test: example.exe minigzip.exe
example
echo hello world | minigzip | minigzip -d
#clean:
# del *.obj
# del *.exe

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# Makefile for zlib
# TurboC 2.0
# To use, do "make -fmakefile.tc"
# To compile in small model, set below: MODEL=-ms
# WARNING: the small model is supported but only for small values of
# MAX_WBITS and MAX_MEM_LEVEL. For example:
# -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3
# If you wish to reduce the memory requirements (default 256K for big
# objects plus a few K), you can add to CFLAGS below:
# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14
# See zconf.h for details about the memory requirements.
# ------------- Turbo C 2.0 -------------
MODEL=l
# CFLAGS=-O2 -G -Z -m$(MODEL) -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3
CFLAGS=-O2 -G -Z -m$(MODEL)
CC=tcc -I\tc\include
LD=tcc -L\tc\lib
AR=tlib
LDFLAGS=-m$(MODEL) -f-
O=.obj
# variables
OBJ1 = adler32$(O) compress$(O) crc32$(O) gzio$(O) uncompr$(O) deflate$(O) \
trees$(O)
OBJP1 = adler32$(O)+compress$(O)+crc32$(O)+gzio$(O)+uncompr$(O)+deflate$(O)+\
trees$(O)
OBJ2 = zutil$(O) inflate$(O) infblock$(O) inftrees$(O) infcodes$(O) \
infutil$(O) inffast$(O)
OBJP2 = zutil$(O)+inflate$(O)+infblock$(O)+inftrees$(O)+infcodes$(O)+\
infutil$(O)+inffast$(O)
ZLIB_H = zlib.h zconf.h
ZUTIL_H = zutil.h $(ZLIB_H)
ZLIB_LIB = zlib_$(MODEL).lib
all: test
adler32.obj: adler32.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
compress.obj: compress.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
crc32.obj: crc32.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
deflate.obj: deflate.c deflate.h $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
gzio.obj: gzio.c $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
infblock.obj: infblock.c $(ZUTIL_H) infblock.h inftrees.h infcodes.h infutil.h
$(CC) -c $(CFLAGS) $*.c
infcodes.obj: infcodes.c $(ZUTIL_H) inftrees.h infutil.h infcodes.h inffast.h
$(CC) -c $(CFLAGS) $*.c
inflate.obj: inflate.c $(ZUTIL_H) infblock.h
$(CC) -c $(CFLAGS) $*.c
inftrees.obj: inftrees.c $(ZUTIL_H) inftrees.h
$(CC) -c $(CFLAGS) $*.c
infutil.obj: infutil.c $(ZUTIL_H) inftrees.h infutil.h
$(CC) -c $(CFLAGS) $*.c
inffast.obj: inffast.c $(ZUTIL_H) inftrees.h infutil.h inffast.h
$(CC) -c $(CFLAGS) $*.c
trees.obj: trees.c deflate.h $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
uncompr.obj: uncompr.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
zutil.obj: zutil.c $(ZUTIL_H)
$(CC) -c $(CFLAGS) $*.c
example.obj: example.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
minigzip.obj: minigzip.c $(ZLIB_H)
$(CC) -c $(CFLAGS) $*.c
# we must cut the command line to fit in the MS/DOS 128 byte limit:
$(ZLIB_LIB): $(OBJ1) $(OBJ2)
del $(ZLIB_LIB)
$(AR) $(ZLIB_LIB) +$(OBJP1)
$(AR) $(ZLIB_LIB) +$(OBJP2)
example.exe: example.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) -eexample.exe example.obj $(ZLIB_LIB)
minigzip.exe: minigzip.obj $(ZLIB_LIB)
$(LD) $(LDFLAGS) -eminigzip.exe minigzip.obj $(ZLIB_LIB)
test: example.exe minigzip.exe
example
echo hello world | minigzip | minigzip -d
#clean:
# del *.obj
# del *.exe

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