3 /* bits taken from ppc */
5 extern void *avail_ram, *end_avail;
12 void *zalloc(void *x, unsigned items, unsigned size)
17 size = (size + 7) & -8;
19 if (avail_ram > end_avail) {
20 //puts("oops... out of memory\n");
27 void zfree(void *x, void *addr, unsigned nb)
40 void gunzip (void *dst, int dstlen, unsigned char *src, int *lenp)
49 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
50 //puts("bad gzipped data\n");
53 if ((flags & EXTRA_FIELD) != 0)
54 i = 12 + src[10] + (src[11] << 8);
55 if ((flags & ORIG_NAME) != 0)
58 if ((flags & COMMENT) != 0)
61 if ((flags & HEAD_CRC) != 0)
64 //puts("gunzip: ran out of data in header\n");
70 r = inflateInit2(&s, -MAX_WBITS);
72 //puts("inflateInit2 returned "); puthex(r); puts("\n");
76 s.avail_in = *lenp - i;
79 r = inflate(&s, Z_FINISH);
80 if (r != Z_OK && r != Z_STREAM_END) {
81 //puts("inflate returned "); puthex(r); puts("\n");
84 *lenp = s.next_out - (unsigned char *) dst;