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Unified Diff: third_party/zlib/mixed-source.patch

Issue 2079313002: Revert of Update Zlib to version 1.2.8 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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Index: third_party/zlib/mixed-source.patch
diff --git a/third_party/zlib/mixed-source.patch b/third_party/zlib/mixed-source.patch
index 4ce1632528385d2451248a6b9ae91645b438495b..ed54802c097852509b8e3a28b464770f8f25fabc 100644
--- a/third_party/zlib/mixed-source.patch
+++ b/third_party/zlib/mixed-source.patch
@@ -1,5 +1,5 @@
diff --git a/third_party/zlib/deflate.c b/third_party/zlib/deflate.c
-index 6969577..7c95b30 100644
+index 5c4022f..88b2ec0 100644
--- a/third_party/zlib/deflate.c
+++ b/third_party/zlib/deflate.c
@@ -70,14 +70,15 @@ typedef enum {
@@ -34,7 +34,7 @@
#endif
#ifdef DEBUG
-@@ -293,6 +294,9 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
+@@ -281,6 +282,9 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte));
s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos));
s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos));
@@ -44,7 +44,7 @@
s->high_water = 0; /* nothing written to s->window yet */
-@@ -406,6 +410,8 @@ int ZEXPORT deflateResetKeep (strm)
+@@ -367,6 +371,8 @@ int ZEXPORT deflateReset (strm)
s = (deflate_state *)strm->state;
s->pending = 0;
s->pending_out = s->pending_buf;
@@ -53,7 +53,7 @@
if (s->wrap < 0) {
s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */
-@@ -900,9 +906,26 @@ int ZEXPORT deflate (strm, flush)
+@@ -817,9 +823,26 @@ int ZEXPORT deflate (strm, flush)
(flush != Z_NO_FLUSH && s->status != FINISH_STATE)) {
block_state bstate;
@@ -83,7 +83,7 @@
if (bstate == finish_started || bstate == finish_done) {
s->status = FINISH_STATE;
-@@ -999,6 +1022,7 @@ int ZEXPORT deflateEnd (strm)
+@@ -915,6 +938,7 @@ int ZEXPORT deflateEnd (strm)
TRY_FREE(strm, strm->state->head);
TRY_FREE(strm, strm->state->prev);
TRY_FREE(strm, strm->state->window);
@@ -91,7 +91,7 @@
ZFREE(strm, strm->state);
strm->state = Z_NULL;
-@@ -1131,6 +1155,57 @@ local void lm_init (s)
+@@ -1046,6 +1070,57 @@ local void lm_init (s)
#endif
}
@@ -149,7 +149,7 @@
#ifndef FASTEST
/* ===========================================================================
* Set match_start to the longest match starting at the given string and
-@@ -1145,9 +1220,10 @@ local void lm_init (s)
+@@ -1060,9 +1135,10 @@ local void lm_init (s)
/* For 80x86 and 680x0, an optimized version will be provided in match.asm or
* match.S. The code will be functionally equivalent.
*/
@@ -161,7 +161,7 @@
{
unsigned chain_length = s->max_chain_length;/* max hash chain length */
register Bytef *scan = s->window + s->strstart; /* current string */
-@@ -1195,6 +1271,9 @@ local uInt longest_match(s, cur_match)
+@@ -1110,6 +1186,9 @@ local uInt longest_match(s, cur_match)
do {
Assert(cur_match < s->strstart, "no future");
match = s->window + cur_match;
@@ -171,7 +171,7 @@
/* Skip to next match if the match length cannot increase
* or if the match length is less than 2. Note that the checks below
-@@ -1237,6 +1316,8 @@ local uInt longest_match(s, cur_match)
+@@ -1152,6 +1231,8 @@ local uInt longest_match(s, cur_match)
len = (MAX_MATCH - 1) - (int)(strend-scan);
scan = strend - (MAX_MATCH-1);
@@ -180,7 +180,7 @@
#else /* UNALIGNED_OK */
if (match[best_len] != scan_end ||
-@@ -1253,15 +1334,23 @@ local uInt longest_match(s, cur_match)
+@@ -1168,15 +1249,23 @@ local uInt longest_match(s, cur_match)
scan += 2, match++;
Assert(*scan == *match, "match[2]?");
@@ -213,7 +213,7 @@
Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
-@@ -1289,20 +1378,74 @@ local uInt longest_match(s, cur_match)
+@@ -1204,20 +1293,74 @@ local uInt longest_match(s, cur_match)
}
#endif /* ASMV */
@@ -289,10 +289,11 @@
/* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
* It is easy to get rid of this optimization if necessary.
*/
-@@ -1447,6 +1590,20 @@ local void fill_window(s)
+@@ -1360,6 +1503,21 @@ local void fill_window(s)
*/
} while (--n);
#endif
++
+ for (n = 0; n < Z_COOKIE_HASH_SIZE; n++) {
+ if (s->cookie_locations[n] > wsize) {
+ s->cookie_locations[n] -= wsize;
@@ -309,8 +310,8 @@
+
more += wsize;
}
- if (s->strm->avail_in == 0) break;
-@@ -1465,6 +1622,9 @@ local void fill_window(s)
+ if (s->strm->avail_in == 0) return;
+@@ -1378,6 +1536,9 @@ local void fill_window(s)
Assert(more >= 2, "more < 2");
n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more);
@@ -320,7 +321,7 @@
s->lookahead += n;
/* Initialize the hash value now that we have some input: */
-@@ -1561,9 +1721,10 @@ local void fill_window(s)
+@@ -1459,9 +1620,10 @@ local void fill_window(s)
* NOTE: this function should be optimized to avoid extra copying from
* window to pending_buf.
*/
@@ -332,7 +333,7 @@
{
/* Stored blocks are limited to 0xffff bytes, pending_buf is limited
* to pending_buf_size, and each stored block has a 5 byte header:
-@@ -1625,13 +1786,19 @@ local block_state deflate_stored(s, flush)
+@@ -1517,13 +1679,19 @@ local block_state deflate_stored(s, flush)
* new strings in the dictionary only for unmatched strings or for short
* matches. It is used only for the fast compression options.
*/
@@ -353,7 +354,7 @@
for (;;) {
/* Make sure that we always have enough lookahead, except
* at the end of the input file. We need MAX_MATCH bytes
-@@ -1662,7 +1829,7 @@ local block_state deflate_fast(s, flush)
+@@ -1554,7 +1722,7 @@ local block_state deflate_fast(s, flush)
* of window index 0 (in particular we have to avoid a match
* of the string with itself at the start of the input file).
*/
@@ -362,7 +363,7 @@
/* longest_match() sets match_start */
}
if (s->match_length >= MIN_MATCH) {
-@@ -1727,12 +1894,25 @@ local block_state deflate_fast(s, flush)
+@@ -1613,12 +1781,25 @@ local block_state deflate_fast(s, flush)
* evaluation for matches: a match is finally adopted only if there is
* no better match at the next window position.
*/
@@ -389,7 +390,7 @@
/* Process the input block. */
for (;;) {
-@@ -1762,13 +1942,18 @@ local block_state deflate_slow(s, flush)
+@@ -1648,13 +1829,18 @@ local block_state deflate_slow(s, flush)
s->prev_length = s->match_length, s->prev_match = s->match_start;
s->match_length = MIN_MATCH-1;
@@ -411,7 +412,7 @@
/* longest_match() sets match_start */
if (s->match_length <= 5 && (s->strategy == Z_FILTERED
-@@ -1787,7 +1972,20 @@ local block_state deflate_slow(s, flush)
+@@ -1673,7 +1859,20 @@ local block_state deflate_slow(s, flush)
/* If there was a match at the previous step and the current
* match is not better, output the previous match:
*/
@@ -434,10 +435,10 @@
/* Do not insert strings in hash table beyond this. */
diff --git a/third_party/zlib/deflate.h b/third_party/zlib/deflate.h
-index ce0299e..c795034 100644
+index cbf0d1e..2fe6fd6 100644
--- a/third_party/zlib/deflate.h
+++ b/third_party/zlib/deflate.h
-@@ -94,6 +94,9 @@ typedef unsigned IPos;
+@@ -91,6 +91,9 @@ typedef unsigned IPos;
* save space in the various tables. IPos is used only for parameter passing.
*/
@@ -447,7 +448,7 @@
typedef struct internal_state {
z_streamp strm; /* pointer back to this zlib stream */
int status; /* as the name implies */
-@@ -142,6 +145,8 @@ typedef struct internal_state {
+@@ -139,6 +142,8 @@ typedef struct internal_state {
uInt hash_mask; /* hash_size-1 */
uInt hash_shift;
@@ -457,7 +458,7 @@
* step. It must be such that after MIN_MATCH steps, the oldest
* byte no longer takes part in the hash key, that is:
diff --git a/third_party/zlib/zlib.h b/third_party/zlib/zlib.h
-index 36c73af..5544c88 100644
+index 4d54af9..da7e971 100644
--- a/third_party/zlib/zlib.h
+++ b/third_party/zlib/zlib.h
@@ -101,6 +101,7 @@ typedef struct z_stream_s {
@@ -479,7 +480,7 @@
#define zlib_version zlibVersion()
/* for compatibility with versions < 1.0.2 */
-@@ -1744,6 +1749,13 @@ ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file)); /* backward compatibility */
+@@ -1587,6 +1592,13 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
ZEXTERN z_off_t ZEXPORT gzoffset64 OF((gzFile));
ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
@@ -493,6 +494,3 @@
# endif
#else
ZEXTERN gzFile ZEXPORT gzopen OF((const char *, const char *));
---
-2.7.4
-
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