mirror of https://git.wuffs.org/MWCC
149 lines
2.9 KiB
C
149 lines
2.9 KiB
C
#include "oslib.h"
|
|
#include "macemul.h"
|
|
|
|
static char pfbuf[256];
|
|
|
|
StringPtr _pstrcpy(StringPtr dst, ConstStringPtr src) {
|
|
memcpy(dst, src, src[0] + 1);
|
|
return dst;
|
|
}
|
|
|
|
void _pstrcat(StringPtr dst, ConstStringPtr src) {
|
|
int cnt = dst[0] + src[0];
|
|
if (cnt > 255)
|
|
cnt = 255;
|
|
memcpy(dst + 1 + dst[0], src + 1, cnt - dst[0]);
|
|
dst[0] = cnt;
|
|
}
|
|
|
|
void _pstrcharcat(StringPtr to, char ch) {
|
|
if (to[0] < 255) {
|
|
to[0]++;
|
|
to[to[0]] = ch;
|
|
}
|
|
}
|
|
|
|
void pstrncpy(StringPtr to, ConstStringPtr from, int max) {
|
|
SInt16 i = (from[0] > max) ? max : from[0];
|
|
while (i >= 0) {
|
|
*(to++) = *(from++);
|
|
--i;
|
|
}
|
|
}
|
|
|
|
void pstrncat(StringPtr to, ConstStringPtr append, int max) {
|
|
SInt16 i;
|
|
SInt16 n;
|
|
|
|
i = *(append++);
|
|
n = to[0];
|
|
if (i + n > max)
|
|
i = max - n;
|
|
to[0] += i;
|
|
to += n + 1;
|
|
|
|
while (i-- > 0) {
|
|
*(to++) = *(append++);
|
|
}
|
|
}
|
|
|
|
int pstrcmp(ConstStringPtr a, ConstStringPtr b) {
|
|
int d = *(b++), n = *(a++);
|
|
if (n - d)
|
|
return n - d;
|
|
|
|
while (n-- > 0) {
|
|
d = *(a++) != *(b++);
|
|
if (d)
|
|
return d;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int pstrchr(ConstStringPtr str, char find) {
|
|
int idx = 0;
|
|
|
|
while (idx++ < str[0]) {
|
|
if (find == str[idx])
|
|
return idx;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void c2pstrcpy(StringPtr dst, const char *src) {
|
|
int len = strlen(src);
|
|
if (len > 255)
|
|
len = 255;
|
|
|
|
memmove(dst + 1, src, len);
|
|
dst[0] = len;
|
|
}
|
|
|
|
void p2cstrcpy(char *dst, ConstStringPtr src) {
|
|
memcpy(dst, src + 1, src[0]);
|
|
dst[src[0]] = 0;
|
|
}
|
|
|
|
char *mvprintf(char *mybuf, unsigned int len, const char *format, va_list va) {
|
|
int maxlen;
|
|
int ret;
|
|
char *buf;
|
|
|
|
OS_ASSERT(134, mybuf != NULL);
|
|
|
|
maxlen = len - 1;
|
|
buf = mybuf;
|
|
ret = vsnprintf(mybuf, maxlen, format, va);
|
|
if (ret < 0) {
|
|
do {
|
|
if (buf != mybuf)
|
|
free(buf);
|
|
maxlen <<= 1;
|
|
buf = malloc(maxlen);
|
|
if (!buf)
|
|
return strncpy(mybuf, "<out of memory>", len);
|
|
ret = vsnprintf(buf, maxlen, format, va);
|
|
} while (ret < 0);
|
|
} else if (ret > maxlen) {
|
|
maxlen = ret + 1;
|
|
buf = malloc(maxlen);
|
|
if (!buf)
|
|
return strncpy(mybuf, "<out of memory>", len);
|
|
vsnprintf(buf, maxlen, format, va);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
char *mprintf(char *mybuf, unsigned int len, const char *format, ...) {
|
|
char *ret;
|
|
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
ret = mvprintf(mybuf, len, format, ap);
|
|
va_end(ap);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int HPrintF(Handle text, const char *format, ...) {
|
|
char *buf;
|
|
int ret;
|
|
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
buf = mvprintf(pfbuf, sizeof(pfbuf), format, ap);
|
|
va_end(ap);
|
|
|
|
ret = strlen(buf);
|
|
if (PtrAndHand(buf, text, strlen(buf)))
|
|
return 0;
|
|
|
|
if (buf != pfbuf)
|
|
free(buf);
|
|
|
|
return ret;
|
|
}
|