libkern/zlib/inflate.c

8  * Version 2.0 (the 'License'). You may not use this file except in
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
226    fixed code decoding.  Normally this returns fixed tables from inffixed.h.
227    If BUILDFIXED is defined, then instead this routine builds the tables the
265         /* do this just once */
284    can simply call makefixed to do this:
308     puts("    /* WARNING: this file should *not* be used by applications.");
309     puts("       It is part of the implementation of this library and is");
341    when a window is already in use, or when output has been written during this
572    In this implementation, the flush parameter of inflate() only affects the
596     code this;                  /* current decoding table entry */
908                     this = state->lencode[BITS(state->lenbits)];
909                     if ((unsigned)(this.bits) <= bits) break;
912                 if (this.val < 16) {
913                     NEEDBITS(this.bits);
914                     DROPBITS(this.bits);
915                     state->lens[state->have++] = this.val;
918                     if (this.val == 16) {
919                         NEEDBITS(this.bits + 2);
920                         DROPBITS(this.bits);
930                     else if (this.val == 17) {
931                         NEEDBITS(this.bits + 3);
932                         DROPBITS(this.bits);
938                         NEEDBITS(this.bits + 7);
939                         DROPBITS(this.bits);
987                 this = state->lencode[BITS(state->lenbits)];
988                 if ((unsigned)(this.bits) <= bits) break;
991             if (this.op && (this.op & 0xf0) == 0) {
992                 last = this;
994                     this = state->lencode[last.val +
996                     if ((unsigned)(last.bits + this.bits) <= bits) break;
1001             DROPBITS(this.bits);
1002             state->length = (unsigned)this.val;
1003             if ((int)(this.op) == 0) {
1004                 Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
1006                         "inflate:         literal 0x%02x\n", this.val));
1010             if (this.op & 32) {
1015             if (this.op & 64) {
1020             state->extra = (unsigned)(this.op) & 15;
1032                 this = state->distcode[BITS(state->distbits)];
1033                 if ((unsigned)(this.bits) <= bits) break;
1036             if ((this.op & 0xf0) == 0) {
1037                 last = this;
1039                     this = state->distcode[last.val +
1041                     if ((unsigned)(last.bits + this.bits) <= bits) break;
1046             DROPBITS(this.bits);
1047             if (this.op & 64) {
1052             state->offset = (unsigned)this.val;
1053             state->extra = (unsigned)(this.op) & 15;