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Update a few remaining zlib source files

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Justine Tunney 2022-10-03 19:18:34 -07:00
parent 32321ab1e9
commit 01bd7d1008
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23 changed files with 1276 additions and 778 deletions
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14
third_party/zlib/deflate.c vendored
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@ -1,3 +1,6 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8 :vi│
╚─────────────────────────────────────────────────────────────────────────────*/
/* deflate.c -- compress data using the deflation algorithm
* Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
@ -9,7 +12,7 @@
#include "third_party/zlib/zutil.internal.h"
asm(".ident\t\"\\n\\n\
inflate 1.2.12.1 (zlib License)\\n\
deflate 1.2.12.1 (zlib License)\\n\
Copyright 1995-2022 Jean-loup Gailly and Mark Adler\\n\
Invented 1990 Phillip Walter Katz\"");
// clang-format off
@ -318,14 +321,19 @@ int ZEXPORT deflateInit2(strm, level, method, windowBits, memLevel, strategy)
s->window = (Bytef *) ZALLOC(strm,
s->w_size + window_padding,
2*sizeof(Byte));
/* Avoid use of unitialized values in the window, see crbug.com/1137613 and
* crbug.com/1144420 */
zmemzero(s->window, (s->w_size + window_padding) * (2 * sizeof(Byte)));
if (s->window) { /* [jart] fix regression in malloc failure checking */
zmemzero(s->window, (s->w_size + window_padding) * (2 * sizeof(Byte)));
}
s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos));
/* Avoid use of uninitialized value, see:
* https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11360
*/
zmemzero(s->prev, s->w_size * sizeof(Pos));
if (s->prev) { /* [jart] fix regression in malloc failure checking */
zmemzero(s->prev, s->w_size * sizeof(Pos));
}
s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos));
s->high_water = 0; /* nothing written to s->window yet */