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[gzip] Update sources to zlib 1.2.13.

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pull/5/head
Werner Lemberg 2 years ago
parent b8882a3ed6
commit af46fcc15a
9 changed files with 74 additions and 56 deletions
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  1. 33
      src/gzip/crc32.c
  2. 17
      src/gzip/infback.c
  3. 7
      src/gzip/inflate.c
  4. 4
      src/gzip/inftrees.c
  5. 2
      src/gzip/inftrees.h
  6. 30
      src/gzip/patches/freetype-zlib.diff
  7. 20
      src/gzip/zlib.h
  8. 16
      src/gzip/zutil.c
  9. 1
      src/gzip/zutil.h

33
src/gzip/crc32.c
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@ -98,13 +98,22 @@
# endif
#endif
/* If available, use the ARM processor CRC32 instruction. */
#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8
# define ARMCRC32
#endif
/* Local functions. */
local z_crc_t multmodp OF((z_crc_t a, z_crc_t b));
local z_crc_t x2nmodp OF((z_off64_t n, unsigned k));
/* If available, use the ARM processor CRC32 instruction. */
#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8
# define ARMCRC32
#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
local z_word_t byte_swap OF((z_word_t word));
#endif
#if defined(W) && !defined(ARMCRC32)
local z_crc_t crc_word OF((z_word_t data));
local z_word_t crc_word_big OF((z_word_t data));
#endif
#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
@ -630,7 +639,7 @@ unsigned long ZEXPORT crc32_z(
#endif /* DYNAMIC_CRC_TABLE */
/* Pre-condition the CRC */
crc ^= 0xffffffff;
crc = (~crc) & 0xffffffff;
/* Compute the CRC up to a word boundary. */
while (len && ((z_size_t)buf & 7) != 0) {
@ -645,8 +654,8 @@ unsigned long ZEXPORT crc32_z(
len &= 7;
/* Do three interleaved CRCs to realize the throughput of one crc32x
instruction per cycle. Each CRC is calcuated on Z_BATCH words. The three
CRCs are combined into a single CRC after each set of batches. */
instruction per cycle. Each CRC is calculated on Z_BATCH words. The
three CRCs are combined into a single CRC after each set of batches. */
while (num >= 3 * Z_BATCH) {
crc1 = 0;
crc2 = 0;
@ -749,7 +758,7 @@ unsigned long ZEXPORT crc32_z(
#endif /* DYNAMIC_CRC_TABLE */
/* Pre-condition the CRC */
crc ^= 0xffffffff;
crc = (~crc) & 0xffffffff;
#ifdef W
@ -1077,7 +1086,7 @@ uLong ZEXPORT crc32_combine64(
#ifdef DYNAMIC_CRC_TABLE
once(&made, make_crc_table);
#endif /* DYNAMIC_CRC_TABLE */
return multmodp(x2nmodp(len2, 3), crc1) ^ crc2;
return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff);
}
/* ========================================================================= */
@ -1086,7 +1095,7 @@ uLong ZEXPORT crc32_combine(
uLong crc2,
z_off_t len2)
{
return crc32_combine64(crc1, crc2, len2);
return crc32_combine64(crc1, crc2, (z_off64_t)len2);
}
/* ========================================================================= */
@ -1103,14 +1112,14 @@ uLong ZEXPORT crc32_combine_gen64(
uLong ZEXPORT crc32_combine_gen(
z_off_t len2)
{
return crc32_combine_gen64(len2);
return crc32_combine_gen64((z_off64_t)len2);
}
/* ========================================================================= */
uLong crc32_combine_op(
uLong ZEXPORT crc32_combine_op(
uLong crc1,
uLong crc2,
uLong op)
{
return multmodp(op, crc1) ^ crc2;
return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
}

17
src/gzip/infback.c
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@ -66,6 +66,7 @@ int ZEXPORT inflateBackInit_(
state->window = window;
state->wnext = 0;
state->whave = 0;
state->sane = 1;
return Z_OK;
}
@ -605,25 +606,27 @@ int ZEXPORT inflateBack(
break;
case DONE:
/* inflate stream terminated properly -- write leftover output */
/* inflate stream terminated properly */
ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave;
case BAD:
ret = Z_DATA_ERROR;
goto inf_leave;
default: /* can't happen, but makes compilers happy */
default:
/* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR;
goto inf_leave;
}
/* Return unused input */
/* Write leftover output and return unused input */
inf_leave:
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left) &&
ret == Z_STREAM_END)
ret = Z_BUF_ERROR;
}
strm->next_in = next;
strm->avail_in = have;
return ret;

7
src/gzip/inflate.c
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@ -170,6 +170,8 @@ int ZEXPORT inflateReset2(
/* extract wrap request from windowBits parameter */
if (windowBits < 0) {
if (windowBits < -15)
return Z_STREAM_ERROR;
wrap = 0;
windowBits = -windowBits;
}
@ -770,8 +772,9 @@ int ZEXPORT inflate(
if (copy > have) copy = have;
if (copy) {
if (state->head != Z_NULL &&
state->head->extra != Z_NULL) {
len = state->head->extra_len - state->length;
state->head->extra != Z_NULL &&
(len = state->head->extra_len - state->length) <
state->head->extra_max) {
zmemcpy(state->head->extra + len, next,
len + copy > state->head->extra_max ?
state->head->extra_max - len : copy);

4
src/gzip/inftrees.c
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@ -9,7 +9,7 @@
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.12 Copyright 1995-2022 Mark Adler ";
" inflate 1.2.13 Copyright 1995-2022 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
@ -62,7 +62,7 @@ int ZLIB_INTERNAL inflate_table(
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 202};
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 194, 65};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,

2
src/gzip/inftrees.h
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@ -41,7 +41,7 @@ typedef struct {
/* Maximum size of the dynamic table. The maximum number of code structures is
1444, which is the sum of 852 for literal/length codes and 592 for distance
codes. These values were found by exhaustive searches using the program
examples/enough.c found in the zlib distribtution. The arguments to that
examples/enough.c found in the zlib distribution. The arguments to that
program are the number of symbols, the initial root table size, and the
maximum bit length of a code. "enough 286 9 15" for literal/length codes
returns returns 852, and "enough 30 6 15" for distance codes returns 592.

30
src/gzip/patches/freetype-zlib.diff
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@ -66,7 +66,7 @@ index 57faf3716..4f09a52a7 100644
/* internal gzip file state data structure */
diff --git a/src/gzip/inflate.c b/src/gzip/inflate.c
index 4375557b4..5bf5b815e 100644
index c9e566b03..33c7cf2fe 100644
--- a/src/gzip/inflate.c
+++ b/src/gzip/inflate.c
@@ -99,8 +99,10 @@ local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
@ -80,7 +80,7 @@ index 4375557b4..5bf5b815e 100644
local int inflateStateCheck(
z_streamp strm)
@@ -245,6 +247,8 @@ int ZEXPORT inflateInit_(
@@ -247,6 +249,8 @@ int ZEXPORT inflateInit_(
return inflateInit2_(strm, DEF_WBITS, version, stream_size);
}
@ -89,7 +89,7 @@ index 4375557b4..5bf5b815e 100644
int ZEXPORT inflatePrime(
z_streamp strm,
int bits,
@@ -266,6 +270,8 @@ int ZEXPORT inflatePrime(
@@ -268,6 +272,8 @@ int ZEXPORT inflatePrime(
return Z_OK;
}
@ -98,7 +98,7 @@ index 4375557b4..5bf5b815e 100644
/*
Return state with length and distance decoding tables and index sizes set to
fixed code decoding. Normally this returns fixed tables from inffixed.h.
@@ -1312,6 +1318,8 @@ int ZEXPORT inflateEnd(
@@ -1315,6 +1321,8 @@ int ZEXPORT inflateEnd(
return Z_OK;
}
@ -107,7 +107,7 @@ index 4375557b4..5bf5b815e 100644
int ZEXPORT inflateGetDictionary(
z_streamp strm,
Bytef *dictionary,
@@ -1471,6 +1479,8 @@ int ZEXPORT inflateSync(
@@ -1474,6 +1482,8 @@ int ZEXPORT inflateSync(
return Z_OK;
}
@ -116,7 +116,7 @@ index 4375557b4..5bf5b815e 100644
/*
Returns true if inflate is currently at the end of a block generated by
Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP
@@ -1489,6 +1499,8 @@ int ZEXPORT inflateSyncPoint(
@@ -1492,6 +1502,8 @@ int ZEXPORT inflateSyncPoint(
return state->mode == STORED && state->bits == 0;
}
@ -125,7 +125,7 @@ index 4375557b4..5bf5b815e 100644
int ZEXPORT inflateCopy(
z_streamp dest,
z_streamp source)
@@ -1536,6 +1548,8 @@ int ZEXPORT inflateCopy(
@@ -1539,6 +1551,8 @@ int ZEXPORT inflateCopy(
return Z_OK;
}
@ -134,7 +134,7 @@ index 4375557b4..5bf5b815e 100644
int ZEXPORT inflateUndermine(
z_streamp strm,
int subvert)
@@ -1569,6 +1583,8 @@ int ZEXPORT inflateValidate(
@@ -1572,6 +1586,8 @@ int ZEXPORT inflateValidate(
return Z_OK;
}
@ -143,7 +143,7 @@ index 4375557b4..5bf5b815e 100644
long ZEXPORT inflateMark(
z_streamp strm)
{
@@ -1590,3 +1606,5 @@ unsigned long ZEXPORT inflateCodesUsed(
@@ -1593,3 +1609,5 @@ unsigned long ZEXPORT inflateCodesUsed(
state = (struct inflate_state FAR *)strm->state;
return (unsigned long)(state->next - state->codes);
}
@ -170,7 +170,7 @@ index f127b6b1f..c6f5a52e1 100644
+
+#endif /* INFLATE_H */
diff --git a/src/gzip/inftrees.h b/src/gzip/inftrees.h
index baa53a0b1..c94eb78b5 100644
index f53665311..2daa00063 100644
--- a/src/gzip/inftrees.h
+++ b/src/gzip/inftrees.h
@@ -3,6 +3,9 @@
@ -190,7 +190,7 @@ index baa53a0b1..c94eb78b5 100644
+
+#endif /* INFTREES_H_ */
diff --git a/src/gzip/zlib.h b/src/gzip/zlib.h
index 4a98e38bf..d760140c2 100644
index 953cb5012..bbbf75151 100644
--- a/src/gzip/zlib.h
+++ b/src/gzip/zlib.h
@@ -31,7 +31,7 @@
@ -336,7 +336,7 @@ index 4a98e38bf..d760140c2 100644
#ifdef __cplusplus
}
diff --git a/src/gzip/zutil.h b/src/gzip/zutil.h
index d9a20ae1b..14f0f1a85 100644
index 0bc7f4ecd..d309bd069 100644
--- a/src/gzip/zutil.h
+++ b/src/gzip/zutil.h
@@ -188,6 +188,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
@ -348,8 +348,8 @@ index d9a20ae1b..14f0f1a85 100644
/* provide prototypes for these when building zlib without LFS */
#if !defined(_WIN32) && \
(!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
@@ -195,6 +197,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
@@ -196,6 +198,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
#endif
+#endif /* !Z_FREETYPE */
@ -357,7 +357,7 @@ index d9a20ae1b..14f0f1a85 100644
/* common defaults */
#ifndef OS_CODE
@@ -226,9 +230,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
@@ -227,9 +231,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# define zmemcmp _fmemcmp
# define zmemzero(dest, len) _fmemset(dest, 0, len)
# else

20
src/gzip/zlib.h
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@ -1,5 +1,5 @@
/* zlib.h -- interface of the 'zlib' general purpose compression library
version 1.2.12, March 11th, 2022
version 1.2.13, October 13th, 2022
Copyright (C) 1995-2022 Jean-loup Gailly and Mark Adler
@ -37,11 +37,11 @@
extern "C" {
#endif
#define ZLIB_VERSION "1.2.12"
#define ZLIB_VERNUM 0x12c0
#define ZLIB_VERSION "1.2.13"
#define ZLIB_VERNUM 0x12d0
#define ZLIB_VER_MAJOR 1
#define ZLIB_VER_MINOR 2
#define ZLIB_VER_REVISION 12
#define ZLIB_VER_REVISION 13
#define ZLIB_VER_SUBREVISION 0
/*
@ -277,7 +277,7 @@ ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush));
== 0), or after each call of deflate(). If deflate returns Z_OK and with
zero avail_out, it must be called again after making room in the output
buffer because there might be more output pending. See deflatePending(),
which can be used if desired to determine whether or not there is more ouput
which can be used if desired to determine whether or not there is more output
in that case.
Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to
@ -664,7 +664,7 @@ ZEXTERN int ZEXPORT deflateGetDictionary OF((z_streamp strm,
to dictionary. dictionary must have enough space, where 32768 bytes is
always enough. If deflateGetDictionary() is called with dictionary equal to
Z_NULL, then only the dictionary length is returned, and nothing is copied.
Similary, if dictLength is Z_NULL, then it is not set.
Similarly, if dictLength is Z_NULL, then it is not set.
deflateGetDictionary() may return a length less than the window size, even
when more than the window size in input has been provided. It may return up
@ -919,7 +919,7 @@ ZEXTERN int ZEXPORT inflateGetDictionary OF((z_streamp strm,
to dictionary. dictionary must have enough space, where 32768 bytes is
always enough. If inflateGetDictionary() is called with dictionary equal to
Z_NULL, then only the dictionary length is returned, and nothing is copied.
Similary, if dictLength is Z_NULL, then it is not set.
Similarly, if dictLength is Z_NULL, then it is not set.
inflateGetDictionary returns Z_OK on success, or Z_STREAM_ERROR if the
stream state is inconsistent.
@ -1451,12 +1451,12 @@ ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
In the event that the end of file is reached and only a partial item is
available at the end, i.e. the remaining uncompressed data length is not a
multiple of size, then the final partial item is nevetheless read into buf
multiple of size, then the final partial item is nevertheless read into buf
and the end-of-file flag is set. The length of the partial item read is not
provided, but could be inferred from the result of gztell(). This behavior
is the same as the behavior of fread() implementations in common libraries,
but it prevents the direct use of gzfread() to read a concurrently written
file, reseting and retrying on end-of-file, when size is not 1.
file, resetting and retrying on end-of-file, when size is not 1.
*/
ZEXTERN int ZEXPORT gzwrite OF((gzFile file, voidpc buf, unsigned len));
@ -1945,7 +1945,7 @@ ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp));
ZEXTERN const z_crc_t FAR * ZEXPORT get_crc_table OF((void));
ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int));
ZEXTERN int ZEXPORT inflateValidate OF((z_streamp, int));
ZEXTERN unsigned long ZEXPORT inflateCodesUsed OF ((z_streamp));
ZEXTERN unsigned long ZEXPORT inflateCodesUsed OF((z_streamp));
ZEXTERN int ZEXPORT inflateResetKeep OF((z_streamp));
ZEXTERN int ZEXPORT deflateResetKeep OF((z_streamp));
#if defined(_WIN32) && !defined(Z_SOLO)

16
src/gzip/zutil.c
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@ -61,9 +61,11 @@ uLong ZEXPORT zlibCompileFlags()
#ifdef ZLIB_DEBUG
flags += 1 << 8;
#endif
/*
#if defined(ASMV) || defined(ASMINF)
flags += 1 << 9;
#endif
*/
#ifdef ZLIB_WINAPI
flags += 1 << 10;
#endif
@ -119,7 +121,7 @@ uLong ZEXPORT zlibCompileFlags()
# endif
int ZLIB_INTERNAL z_verbose = verbose;
void ZLIB_INTERNAL z_error (
void ZLIB_INTERNAL z_error(
char *m)
{
fprintf(stderr, "%s\n", m);
@ -214,7 +216,7 @@ local ptr_table table[MAX_PTR];
* a protected system like OS/2. Use Microsoft C instead.
*/
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size)
{
voidpf buf;
ulg bsize = (ulg)items*size;
@ -240,7 +242,7 @@ voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
return buf;
}
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
{
int n;
@ -277,13 +279,13 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
# define _hfree hfree
#endif
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size)
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size)
{
(void)opaque;
return _halloc((long)items, size);
}
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr)
{
(void)opaque;
_hfree(ptr);
@ -302,7 +304,7 @@ extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
#endif
voidpf ZLIB_INTERNAL zcalloc (
voidpf ZLIB_INTERNAL zcalloc(
voidpf opaque,
unsigned items,
unsigned size)
@ -312,7 +314,7 @@ voidpf ZLIB_INTERNAL zcalloc (
(voidpf)calloc(items, size);
}
void ZLIB_INTERNAL zcfree (
void ZLIB_INTERNAL zcfree(
voidpf opaque,
voidpf ptr)
{

1
src/gzip/zutil.h
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@ -195,6 +195,7 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
(!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
ZEXTERN uLong ZEXPORT crc32_combine_gen64 OF((z_off_t));
#endif
#endif /* !Z_FREETYPE */

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