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- #include <stdio.h>
- #include <zlib.h>
- static unsigned char buff[0x10140];
- static unsigned char buff2[0x10140];
- static void do_file(const char *ifn, const char *ofn)
- {
- FILE *fi, *fo;
- int ret;
- unsigned long dlen = sizeof(buff2);
- fi = fopen(ifn, "rb");
- if (!fi) return;
- fseek(fi, 0x10020, SEEK_SET);
- fread(buff, 1, 0x10000, fi);
- fseek(fi, 0x2000, SEEK_CUR);
- fread(buff + 0x10000, 1, 0x80*2, fi);
- fseek(fi, 0x221a0, SEEK_SET);
- fread(buff + 0x10100, 1, 0x40, fi);
- fclose(fi);
- ret = compress2(buff2, &dlen, buff, sizeof(buff), Z_BEST_COMPRESSION);
- if (ret) { printf("compress2 failed with %i\n", ret); return; }
- fo = fopen(ofn, "wb");
- if (!fo) return;
- fwrite(buff2, 1, dlen, fo);
- fclose(fo);
- printf("%s: %6i -> %6li\n", ofn, sizeof(buff), dlen);
- }
- int main(int argc, char *argv[])
- {
- if (argc != 3) return 1;
- do_file(argv[1], "bg40.bin");
- do_file(argv[2], "bg32.bin");
- return 0;
- }
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