You've already forked godot
mirror of
https://github.com/godotengine/godot.git
synced 2025-11-04 12:00:25 +00:00
zlib/minizip: Update to version 1.3.1
Minizip includes previously backported fix for CVE-2023-45853, and a Debian patch for CVE-2014-9485 was also upstreamed.
This commit is contained in:
47
thirdparty/zlib/deflate.c
vendored
47
thirdparty/zlib/deflate.c
vendored
@@ -1,5 +1,5 @@
|
||||
/* deflate.c -- compress data using the deflation algorithm
|
||||
* Copyright (C) 1995-2023 Jean-loup Gailly and Mark Adler
|
||||
* Copyright (C) 1995-2024 Jean-loup Gailly and Mark Adler
|
||||
* For conditions of distribution and use, see copyright notice in zlib.h
|
||||
*/
|
||||
|
||||
@@ -52,7 +52,7 @@
|
||||
#include "deflate.h"
|
||||
|
||||
const char deflate_copyright[] =
|
||||
" deflate 1.3 Copyright 1995-2023 Jean-loup Gailly and Mark Adler ";
|
||||
" deflate 1.3.1 Copyright 1995-2024 Jean-loup Gailly and Mark Adler ";
|
||||
/*
|
||||
If you use the zlib library in a product, an acknowledgment is welcome
|
||||
in the documentation of your product. If for some reason you cannot
|
||||
@@ -493,7 +493,7 @@ int ZEXPORT deflateInit2_(z_streamp strm, int level, int method,
|
||||
* symbols from which it is being constructed.
|
||||
*/
|
||||
|
||||
s->pending_buf = (uchf *) ZALLOC(strm, s->lit_bufsize, 4);
|
||||
s->pending_buf = (uchf *) ZALLOC(strm, s->lit_bufsize, LIT_BUFS);
|
||||
s->pending_buf_size = (ulg)s->lit_bufsize * 4;
|
||||
|
||||
if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
|
||||
@@ -503,8 +503,14 @@ int ZEXPORT deflateInit2_(z_streamp strm, int level, int method,
|
||||
deflateEnd (strm);
|
||||
return Z_MEM_ERROR;
|
||||
}
|
||||
#ifdef LIT_MEM
|
||||
s->d_buf = (ushf *)(s->pending_buf + (s->lit_bufsize << 1));
|
||||
s->l_buf = s->pending_buf + (s->lit_bufsize << 2);
|
||||
s->sym_end = s->lit_bufsize - 1;
|
||||
#else
|
||||
s->sym_buf = s->pending_buf + s->lit_bufsize;
|
||||
s->sym_end = (s->lit_bufsize - 1) * 3;
|
||||
#endif
|
||||
/* We avoid equality with lit_bufsize*3 because of wraparound at 64K
|
||||
* on 16 bit machines and because stored blocks are restricted to
|
||||
* 64K-1 bytes.
|
||||
@@ -720,9 +726,15 @@ int ZEXPORT deflatePrime(z_streamp strm, int bits, int value) {
|
||||
|
||||
if (deflateStateCheck(strm)) return Z_STREAM_ERROR;
|
||||
s = strm->state;
|
||||
#ifdef LIT_MEM
|
||||
if (bits < 0 || bits > 16 ||
|
||||
(uchf *)s->d_buf < s->pending_out + ((Buf_size + 7) >> 3))
|
||||
return Z_BUF_ERROR;
|
||||
#else
|
||||
if (bits < 0 || bits > 16 ||
|
||||
s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3))
|
||||
return Z_BUF_ERROR;
|
||||
#endif
|
||||
do {
|
||||
put = Buf_size - s->bi_valid;
|
||||
if (put > bits)
|
||||
@@ -1294,7 +1306,7 @@ int ZEXPORT deflateCopy(z_streamp dest, z_streamp source) {
|
||||
ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte));
|
||||
ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos));
|
||||
ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos));
|
||||
ds->pending_buf = (uchf *) ZALLOC(dest, ds->lit_bufsize, 4);
|
||||
ds->pending_buf = (uchf *) ZALLOC(dest, ds->lit_bufsize, LIT_BUFS);
|
||||
|
||||
if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL ||
|
||||
ds->pending_buf == Z_NULL) {
|
||||
@@ -1305,10 +1317,15 @@ int ZEXPORT deflateCopy(z_streamp dest, z_streamp source) {
|
||||
zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte));
|
||||
zmemcpy((voidpf)ds->prev, (voidpf)ss->prev, ds->w_size * sizeof(Pos));
|
||||
zmemcpy((voidpf)ds->head, (voidpf)ss->head, ds->hash_size * sizeof(Pos));
|
||||
zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size);
|
||||
zmemcpy(ds->pending_buf, ss->pending_buf, ds->lit_bufsize * LIT_BUFS);
|
||||
|
||||
ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf);
|
||||
#ifdef LIT_MEM
|
||||
ds->d_buf = (ushf *)(ds->pending_buf + (ds->lit_bufsize << 1));
|
||||
ds->l_buf = ds->pending_buf + (ds->lit_bufsize << 2);
|
||||
#else
|
||||
ds->sym_buf = ds->pending_buf + ds->lit_bufsize;
|
||||
#endif
|
||||
|
||||
ds->l_desc.dyn_tree = ds->dyn_ltree;
|
||||
ds->d_desc.dyn_tree = ds->dyn_dtree;
|
||||
@@ -1539,13 +1556,21 @@ local uInt longest_match(deflate_state *s, IPos cur_match) {
|
||||
*/
|
||||
local void check_match(deflate_state *s, IPos start, IPos match, int length) {
|
||||
/* check that the match is indeed a match */
|
||||
if (zmemcmp(s->window + match,
|
||||
s->window + start, length) != EQUAL) {
|
||||
fprintf(stderr, " start %u, match %u, length %d\n",
|
||||
start, match, length);
|
||||
Bytef *back = s->window + (int)match, *here = s->window + start;
|
||||
IPos len = length;
|
||||
if (match == (IPos)-1) {
|
||||
/* match starts one byte before the current window -- just compare the
|
||||
subsequent length-1 bytes */
|
||||
back++;
|
||||
here++;
|
||||
len--;
|
||||
}
|
||||
if (zmemcmp(back, here, len) != EQUAL) {
|
||||
fprintf(stderr, " start %u, match %d, length %d\n",
|
||||
start, (int)match, length);
|
||||
do {
|
||||
fprintf(stderr, "%c%c", s->window[match++], s->window[start++]);
|
||||
} while (--length != 0);
|
||||
fprintf(stderr, "(%02x %02x)", *back++, *here++);
|
||||
} while (--len != 0);
|
||||
z_error("invalid match");
|
||||
}
|
||||
if (z_verbose > 1) {
|
||||
|
||||
Reference in New Issue
Block a user