mirror of https://github.com/AxioDL/metaforce.git
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <zlib.h>
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#define CHUNK 16384
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#define LINE_BREAK 32
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static uint8_t buf[CHUNK];
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static uint8_t zbuf[CHUNK];
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void print_usage() { fprintf(stderr, "Usage: bintoc [--compress] <in> <out> <symbol>\n"); }
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int main(int argc, char** argv) {
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if (argc < 4) {
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print_usage();
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return 1;
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}
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char* input = argv[1];
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char* output = argv[2];
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char* symbol = argv[3];
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bool compress = false;
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if (strcmp(input, "--compress") == 0) {
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if (argc < 5) {
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print_usage();
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return 1;
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}
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input = argv[2];
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output = argv[3];
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symbol = argv[4];
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compress = true;
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}
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FILE* fin = fopen(input, "rb");
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if (!fin) {
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fprintf(stderr, "Unable to open %s for reading\n", input);
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return 1;
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}
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FILE* fout = fopen(output, "wb");
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if (!fout) {
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fprintf(stderr, "Unable to open %s for writing\n", output);
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return 1;
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}
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fprintf(fout, "#include <cstdint>\n#include <cstddef>\n");
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fprintf(fout, "extern \"C\" const uint8_t %s[] =\n{\n ", symbol);
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size_t totalSz = 0;
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size_t readSz;
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if (compress) {
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size_t compressedSz = 0;
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z_stream strm = {.zalloc = Z_NULL, .zfree = Z_NULL, .opaque = Z_NULL};
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int ret = deflateInit(&strm, Z_BEST_COMPRESSION);
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if (ret != Z_OK) {
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fprintf(stderr, "zlib initialization failed %d\n", ret);
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return 1;
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}
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while ((strm.avail_in = fread(buf, 1, sizeof(buf), fin))) {
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totalSz += strm.avail_in;
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strm.next_in = buf;
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int eof = feof(fin);
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do {
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strm.next_out = zbuf;
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strm.avail_out = sizeof(zbuf);
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ret = deflate(&strm, eof ? Z_FINISH : Z_NO_FLUSH);
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if (ret == Z_STREAM_ERROR) {
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fprintf(stderr, "zlib compression failed %d\n", ret);
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return 1;
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}
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size_t sz = sizeof(zbuf) - strm.avail_out;
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if (sz > 0) {
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for (int b = 0; b < sz; ++b) {
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fprintf(fout, "0x%02X, ", zbuf[b]);
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if ((compressedSz + b + 1) % LINE_BREAK == 0)
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fprintf(fout, "\n ");
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}
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compressedSz += sz;
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}
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} while (strm.avail_out == 0 || (eof && (ret == Z_OK || ret == Z_BUF_ERROR)));
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}
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deflateEnd(&strm);
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fprintf(fout, "0x00};\nextern \"C\" const size_t %s_SZ = %zu;\n", symbol, compressedSz);
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fprintf(fout, "extern \"C\" const size_t %s_DECOMPRESSED_SZ = %zu;\n", symbol, totalSz);
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} else {
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while ((readSz = fread(buf, 1, sizeof(buf), fin))) {
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for (int b = 0; b < readSz; ++b) {
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fprintf(fout, "0x%02X, ", buf[b]);
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if ((totalSz + b + 1) % LINE_BREAK == 0)
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fprintf(fout, "\n ");
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}
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totalSz += readSz;
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}
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fprintf(fout, "0x0};\nextern \"C\" const size_t %s_SZ = %zu;\n", symbol, totalSz);
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}
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fclose(fin);
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fclose(fout);
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return 0;
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}
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