未验证 提交 1b1bbe42 编写于 作者: A Alexander Alekhin 提交者: GitHub

Merge pull request #22801 from alalek:update_zlib

* 3rdparty: zlib 1.2.12 => 1.2.13

https://github.com/madler/zlib/releases/tag/v1.2.13

- replace README -> LICENSE in install distribution

* 3rdparty(zlib): re-apply patch 20190330-ununitialized-use-state-check.diff
上级 b5a68f23
......@@ -102,4 +102,4 @@ if(NOT BUILD_SHARED_LIBS)
ocv_install_target(${ZLIB_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
endif()
ocv_install_3rdparty_licenses(zlib README)
ocv_install_3rdparty_licenses(zlib LICENSE)
ChangeLog file for zlib
Changes in 1.2.13 (13 Oct 2022)
- Fix configure issue that discarded provided CC definition
- Correct incorrect inputs provided to the CRC functions
- Repair prototypes and exporting of new CRC functions
- Fix inflateBack to detect invalid input with distances too far
- Have infback() deliver all of the available output up to any error
- Fix a bug when getting a gzip header extra field with inflate()
- Fix bug in block type selection when Z_FIXED used
- Tighten deflateBound bounds
- Remove deleted assembler code references
- Various portability and appearance improvements
Changes in 1.2.12 (27 Mar 2022)
- Cygwin does not have _wopen(), so do not create gzopen_w() there
- Permit a deflateParams() parameter change as soon as possible
......@@ -159,7 +171,7 @@ Changes in 1.2.7.1 (24 Mar 2013)
- Fix types in contrib/minizip to match result of get_crc_table()
- Simplify contrib/vstudio/vc10 with 'd' suffix
- Add TOP support to win32/Makefile.msc
- Suport i686 and amd64 assembler builds in CMakeLists.txt
- Support i686 and amd64 assembler builds in CMakeLists.txt
- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
- Add vc11 and vc12 build files to contrib/vstudio
- Add gzvprintf() as an undocumented function in zlib
......@@ -359,14 +371,14 @@ Changes in 1.2.5.1 (10 Sep 2011)
- Use u4 type for crc_table to avoid conversion warnings
- Apply casts in zlib.h to avoid conversion warnings
- Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller]
- Improve inflateSync() documentation to note indeterminancy
- Improve inflateSync() documentation to note indeterminacy
- Add deflatePending() function to return the amount of pending output
- Correct the spelling of "specification" in FAQ [Randers-Pehrson]
- Add a check in configure for stdarg.h, use for gzprintf()
- Check that pointers fit in ints when gzprint() compiled old style
- Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler]
- Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt]
- Add debug records in assmebler code [Londer]
- Add debug records in assembler code [Londer]
- Update RFC references to use http://tools.ietf.org/html/... [Li]
- Add --archs option, use of libtool to configure for Mac OS X [Borstel]
......@@ -1033,7 +1045,7 @@ Changes in 1.2.0.1 (17 March 2003)
- Include additional header file on VMS for off_t typedef
- Try to use _vsnprintf where it supplants vsprintf [Vollant]
- Add some casts in inffast.c
- Enchance comments in zlib.h on what happens if gzprintf() tries to
- Enhance comments in zlib.h on what happens if gzprintf() tries to
write more than 4095 bytes before compression
- Remove unused state from inflateBackEnd()
- Remove exit(0) from minigzip.c, example.c
......@@ -1211,7 +1223,7 @@ Changes in 1.0.9 (17 Feb 1998)
- Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8
- in inftrees.c, avoid cc -O bug on HP (Farshid Elahi)
- in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with
the declaration of FAR (Gilles VOllant)
the declaration of FAR (Gilles Vollant)
- install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann)
- read_buf buf parameter of type Bytef* instead of charf*
- zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout)
......@@ -1567,7 +1579,7 @@ Changes in 0.4:
- renamed deflateOptions as deflateInit2, call one or the other but not both
- added the method parameter for deflateInit2
- added inflateInit2
- simplied considerably deflateInit and inflateInit by not supporting
- simplified considerably deflateInit and inflateInit by not supporting
user-provided history buffer. This is supported only in deflateInit2
and inflateInit2
......
Copyright notice:
(C) 1995-2022 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
ZLIB DATA COMPRESSION LIBRARY
zlib 1.2.12 is a general purpose data compression library. All the code is
zlib 1.2.13 is a general purpose data compression library. All the code is
thread safe. The data format used by the zlib library is described by RFCs
(Request for Comments) 1950 to 1952 in the files
http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
......@@ -31,7 +31,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
issue of Dr. Dobb's Journal; a copy of the article is available at
http://marknelson.us/1997/01/01/zlib-engine/ .
The changes made in version 1.2.12 are documented in the file ChangeLog.
The changes made in version 1.2.13 are documented in the file ChangeLog.
Unsupported third party contributions are provided in directory contrib/ .
......
......@@ -19,7 +19,7 @@
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
int ZEXPORT compress2(dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
......@@ -65,7 +65,7 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
int ZEXPORT compress(dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
......@@ -78,7 +78,7 @@ int ZEXPORT compress (dest, destLen, source, sourceLen)
If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated.
*/
uLong ZEXPORT compressBound (sourceLen)
uLong ZEXPORT compressBound(sourceLen)
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
......
......@@ -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(crc, buf, len)
#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(crc, buf, len)
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(crc, buf, len)
#endif /* DYNAMIC_CRC_TABLE */
/* Pre-condition the CRC */
crc ^= 0xffffffff;
crc = (~crc) & 0xffffffff;
#ifdef W
......@@ -1077,7 +1086,7 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
#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(crc1, crc2, len2)
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(len2)
uLong ZEXPORT crc32_combine_gen(len2)
z_off_t len2;
{
return crc32_combine_gen64(len2);
return crc32_combine_gen64((z_off64_t)len2);
}
/* ========================================================================= */
uLong crc32_combine_op(crc1, crc2, op)
uLong ZEXPORT crc32_combine_op(crc1, crc2, op)
uLong crc1;
uLong crc2;
uLong op;
{
return multmodp(op, crc1) ^ crc2;
return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
}
此差异已折叠。
......@@ -329,8 +329,8 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (uch)(length); \
ush dist = (ush)(distance); \
s->sym_buf[s->sym_next++] = dist; \
s->sym_buf[s->sym_next++] = dist >> 8; \
s->sym_buf[s->sym_next++] = (uch)dist; \
s->sym_buf[s->sym_next++] = (uch)(dist >> 8); \
s->sym_buf[s->sym_next++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
......
......@@ -30,7 +30,7 @@ local gzFile gz_open OF((const void *, int, const char *));
The gz_strwinerror function does not change the current setting of
GetLastError. */
char ZLIB_INTERNAL *gz_strwinerror (error)
char ZLIB_INTERNAL *gz_strwinerror(error)
DWORD error;
{
static char buf[1024];
......
......@@ -157,11 +157,9 @@ local int gz_look(state)
the output buffer is larger than the input buffer, which also assures
space for gzungetc() */
state->x.next = state->out;
if (strm->avail_in) {
memcpy(state->x.next, strm->next_in, strm->avail_in);
state->x.have = strm->avail_in;
strm->avail_in = 0;
}
memcpy(state->x.next, strm->next_in, strm->avail_in);
state->x.have = strm->avail_in;
strm->avail_in = 0;
state->how = COPY;
state->direct = 1;
return 0;
......
......@@ -474,7 +474,7 @@ int ZEXPORTVA gzprintf(gzFile file, const char *format, ...)
#else /* !STDC && !Z_HAVE_STDARG_H */
/* -- see zlib.h -- */
int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
int ZEXPORTVA gzprintf(file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
gzFile file;
const char *format;
......
......@@ -66,6 +66,7 @@ int stream_size;
state->window = window;
state->wnext = 0;
state->whave = 0;
state->sane = 1;
return Z_OK;
}
......@@ -605,25 +606,27 @@ void FAR *out_desc;
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;
......
......@@ -168,6 +168,8 @@ int windowBits;
/* extract wrap request from windowBits parameter */
if (windowBits < 0) {
if (windowBits < -15)
return Z_STREAM_ERROR;
wrap = 0;
windowBits = -windowBits;
}
......@@ -765,8 +767,9 @@ int flush;
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);
......
......@@ -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 @@ unsigned short FAR *work;
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,
......
......@@ -38,7 +38,7 @@ 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.
......
......@@ -193,7 +193,7 @@ local void send_bits(s, value, length)
s->bits_sent += (ulg)length;
/* If not enough room in bi_buf, use (valid) bits from bi_buf and
* (16 - bi_valid) bits from value, leaving (width - (16-bi_valid))
* (16 - bi_valid) bits from value, leaving (width - (16 - bi_valid))
* unused bits in value.
*/
if (s->bi_valid > (int)Buf_size - length) {
......@@ -256,7 +256,7 @@ local void tr_static_init()
length = 0;
for (code = 0; code < LENGTH_CODES-1; code++) {
base_length[code] = length;
for (n = 0; n < (1<<extra_lbits[code]); n++) {
for (n = 0; n < (1 << extra_lbits[code]); n++) {
_length_code[length++] = (uch)code;
}
}
......@@ -265,13 +265,13 @@ local void tr_static_init()
* in two different ways: code 284 + 5 bits or code 285, so we
* overwrite length_code[255] to use the best encoding:
*/
_length_code[length-1] = (uch)code;
_length_code[length - 1] = (uch)code;
/* Initialize the mapping dist (0..32K) -> dist code (0..29) */
dist = 0;
for (code = 0 ; code < 16; code++) {
base_dist[code] = dist;
for (n = 0; n < (1<<extra_dbits[code]); n++) {
for (n = 0; n < (1 << extra_dbits[code]); n++) {
_dist_code[dist++] = (uch)code;
}
}
......@@ -279,11 +279,11 @@ local void tr_static_init()
dist >>= 7; /* from now on, all distances are divided by 128 */
for ( ; code < D_CODES; code++) {
base_dist[code] = dist << 7;
for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) {
for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
_dist_code[256 + dist++] = (uch)code;
}
}
Assert (dist == 256, "tr_static_init: 256+dist != 512");
Assert (dist == 256, "tr_static_init: 256 + dist != 512");
/* Construct the codes of the static literal tree */
for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0;
......@@ -312,7 +312,7 @@ local void tr_static_init()
}
/* ===========================================================================
* Genererate the file trees.h describing the static trees.
* Generate the file trees.h describing the static trees.
*/
#ifdef GEN_TREES_H
# ifndef ZLIB_DEBUG
......@@ -321,7 +321,7 @@ local void tr_static_init()
# define SEPARATOR(i, last, width) \
((i) == (last)? "\n};\n\n" : \
((i) % (width) == (width)-1 ? ",\n" : ", "))
((i) % (width) == (width) - 1 ? ",\n" : ", "))
void gen_trees_header()
{
......@@ -458,7 +458,7 @@ local void pqdownheap(s, tree, k)
while (j <= s->heap_len) {
/* Set j to the smallest of the two sons: */
if (j < s->heap_len &&
smaller(tree, s->heap[j+1], s->heap[j], s->depth)) {
smaller(tree, s->heap[j + 1], s->heap[j], s->depth)) {
j++;
}
/* Exit if v is smaller than both sons */
......@@ -507,7 +507,7 @@ local void gen_bitlen(s, desc)
*/
tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */
for (h = s->heap_max+1; h < HEAP_SIZE; h++) {
for (h = s->heap_max + 1; h < HEAP_SIZE; h++) {
n = s->heap[h];
bits = tree[tree[n].Dad].Len + 1;
if (bits > max_length) bits = max_length, overflow++;
......@@ -518,7 +518,7 @@ local void gen_bitlen(s, desc)
s->bl_count[bits]++;
xbits = 0;
if (n >= base) xbits = extra[n-base];
if (n >= base) xbits = extra[n - base];
f = tree[n].Freq;
s->opt_len += (ulg)f * (unsigned)(bits + xbits);
if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits);
......@@ -530,10 +530,10 @@ local void gen_bitlen(s, desc)
/* Find the first bit length which could increase: */
do {
bits = max_length-1;
bits = max_length - 1;
while (s->bl_count[bits] == 0) bits--;
s->bl_count[bits]--; /* move one leaf down the tree */
s->bl_count[bits+1] += 2; /* move one overflow item as its brother */
s->bl_count[bits]--; /* move one leaf down the tree */
s->bl_count[bits + 1] += 2; /* move one overflow item as its brother */
s->bl_count[max_length]--;
/* The brother of the overflow item also moves one step up,
* but this does not affect bl_count[max_length]
......@@ -569,7 +569,7 @@ local void gen_bitlen(s, desc)
* OUT assertion: the field code is set for all tree elements of non
* zero code length.
*/
local void gen_codes (tree, max_code, bl_count)
local void gen_codes(tree, max_code, bl_count)
ct_data *tree; /* the tree to decorate */
int max_code; /* largest code with non zero frequency */
ushf *bl_count; /* number of codes at each bit length */
......@@ -583,13 +583,13 @@ local void gen_codes (tree, max_code, bl_count)
* without bit reversal.
*/
for (bits = 1; bits <= MAX_BITS; bits++) {
code = (code + bl_count[bits-1]) << 1;
code = (code + bl_count[bits - 1]) << 1;
next_code[bits] = (ush)code;
}
/* Check that the bit counts in bl_count are consistent. The last code
* must be all ones.
*/
Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1,
Assert (code + bl_count[MAX_BITS] - 1 == (1 << MAX_BITS) - 1,
"inconsistent bit counts");
Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
......@@ -600,7 +600,7 @@ local void gen_codes (tree, max_code, bl_count)
tree[n].Code = (ush)bi_reverse(next_code[len]++, len);
Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len] - 1));
}
}
......@@ -624,7 +624,7 @@ local void build_tree(s, desc)
int node; /* new node being created */
/* Construct the initial heap, with least frequent element in
* heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1].
* heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1].
* heap[0] is not used.
*/
s->heap_len = 0, s->heap_max = HEAP_SIZE;
......@@ -652,7 +652,7 @@ local void build_tree(s, desc)
}
desc->max_code = max_code;
/* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree,
/* The elements heap[heap_len/2 + 1 .. heap_len] are leaves of the tree,
* establish sub-heaps of increasing lengths:
*/
for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n);
......@@ -700,7 +700,7 @@ local void build_tree(s, desc)
* Scan a literal or distance tree to determine the frequencies of the codes
* in the bit length tree.
*/
local void scan_tree (s, tree, max_code)
local void scan_tree(s, tree, max_code)
deflate_state *s;
ct_data *tree; /* the tree to be scanned */
int max_code; /* and its largest code of non zero frequency */
......@@ -714,10 +714,10 @@ local void scan_tree (s, tree, max_code)
int min_count = 4; /* min repeat count */
if (nextlen == 0) max_count = 138, min_count = 3;
tree[max_code+1].Len = (ush)0xffff; /* guard */
tree[max_code + 1].Len = (ush)0xffff; /* guard */
for (n = 0; n <= max_code; n++) {
curlen = nextlen; nextlen = tree[n+1].Len;
curlen = nextlen; nextlen = tree[n + 1].Len;
if (++count < max_count && curlen == nextlen) {
continue;
} else if (count < min_count) {
......@@ -745,7 +745,7 @@ local void scan_tree (s, tree, max_code)
* Send a literal or distance tree in compressed form, using the codes in
* bl_tree.
*/
local void send_tree (s, tree, max_code)
local void send_tree(s, tree, max_code)
deflate_state *s;
ct_data *tree; /* the tree to be scanned */
int max_code; /* and its largest code of non zero frequency */
......@@ -758,11 +758,11 @@ local void send_tree (s, tree, max_code)
int max_count = 7; /* max repeat count */
int min_count = 4; /* min repeat count */
/* tree[max_code+1].Len = -1; */ /* guard already set */
/* tree[max_code + 1].Len = -1; */ /* guard already set */
if (nextlen == 0) max_count = 138, min_count = 3;
for (n = 0; n <= max_code; n++) {
curlen = nextlen; nextlen = tree[n+1].Len;
curlen = nextlen; nextlen = tree[n + 1].Len;
if (++count < max_count && curlen == nextlen) {
continue;
} else if (count < min_count) {
......@@ -773,13 +773,13 @@ local void send_tree (s, tree, max_code)
send_code(s, curlen, s->bl_tree); count--;
}
Assert(count >= 3 && count <= 6, " 3_6?");
send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2);
send_code(s, REP_3_6, s->bl_tree); send_bits(s, count - 3, 2);
} else if (count <= 10) {
send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3);
send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count - 3, 3);
} else {
send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7);
send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count - 11, 7);
}
count = 0; prevlen = curlen;
if (nextlen == 0) {
......@@ -807,8 +807,8 @@ local int build_bl_tree(s)
/* Build the bit length tree: */
build_tree(s, (tree_desc *)(&(s->bl_desc)));
/* opt_len now includes the length of the tree representations, except
* the lengths of the bit lengths codes and the 5+5+4 bits for the counts.
/* opt_len now includes the length of the tree representations, except the
* lengths of the bit lengths codes and the 5 + 5 + 4 bits for the counts.
*/
/* Determine the number of bit length codes to send. The pkzip format
......@@ -819,7 +819,7 @@ local int build_bl_tree(s)
if (s->bl_tree[bl_order[max_blindex]].Len != 0) break;
}
/* Update opt_len to include the bit length tree and counts */
s->opt_len += 3*((ulg)max_blindex+1) + 5+5+4;
s->opt_len += 3*((ulg)max_blindex + 1) + 5 + 5 + 4;
Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
s->opt_len, s->static_len));
......@@ -841,19 +841,19 @@ local void send_all_trees(s, lcodes, dcodes, blcodes)
Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
"too many codes");
Tracev((stderr, "\nbl counts: "));
send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */
send_bits(s, dcodes-1, 5);
send_bits(s, blcodes-4, 4); /* not -3 as stated in appnote.txt */
send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
send_bits(s, dcodes - 1, 5);
send_bits(s, blcodes - 4, 4); /* not -3 as stated in appnote.txt */
for (rank = 0; rank < blcodes; rank++) {
Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
send_bits(s, s->bl_tree[bl_order[rank]].Len, 3);
}
Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */
send_tree(s, (ct_data *)s->dyn_ltree, lcodes - 1); /* literal tree */
Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */
send_tree(s, (ct_data *)s->dyn_dtree, dcodes - 1); /* distance tree */
Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
}
......@@ -866,7 +866,7 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last)
ulg stored_len; /* length of input block */
int last; /* one if this is the last block for a file */
{
send_bits(s, (STORED_BLOCK<<1)+last, 3); /* send block type */
send_bits(s, (STORED_BLOCK<<1) + last, 3); /* send block type */
bi_windup(s); /* align on byte boundary */
put_short(s, (ush)stored_len);
put_short(s, (ush)~stored_len);
......@@ -877,7 +877,7 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last)
s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L;
s->compressed_len += (stored_len + 4) << 3;
s->bits_sent += 2*16;
s->bits_sent += stored_len<<3;
s->bits_sent += stored_len << 3;
#endif
}
......@@ -943,14 +943,17 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
max_blindex = build_bl_tree(s);
/* Determine the best encoding. Compute the block lengths in bytes. */
opt_lenb = (s->opt_len+3+7)>>3;
static_lenb = (s->static_len+3+7)>>3;
opt_lenb = (s->opt_len + 3 + 7) >> 3;
static_lenb = (s->static_len + 3 + 7) >> 3;
Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
s->sym_next / 3));
if (static_lenb <= opt_lenb) opt_lenb = static_lenb;
#ifndef FORCE_STATIC
if (static_lenb <= opt_lenb || s->strategy == Z_FIXED)
#endif
opt_lenb = static_lenb;
} else {
Assert(buf != (char*)0, "lost buf");
......@@ -960,7 +963,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
#ifdef FORCE_STORED
if (buf != (char*)0) { /* force stored block */
#else
if (stored_len+4 <= opt_lenb && buf != (char*)0) {
if (stored_len + 4 <= opt_lenb && buf != (char*)0) {
/* 4: two words for the lengths */
#endif
/* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
......@@ -971,21 +974,17 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
*/
_tr_stored_block(s, buf, stored_len, last);
#ifdef FORCE_STATIC
} else if (static_lenb >= 0) { /* force static trees */
#else
} else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
#endif
send_bits(s, (STATIC_TREES<<1)+last, 3);
} else if (static_lenb == opt_lenb) {
send_bits(s, (STATIC_TREES<<1) + last, 3);
compress_block(s, (const ct_data *)static_ltree,
(const ct_data *)static_dtree);
#ifdef ZLIB_DEBUG
s->compressed_len += 3 + s->static_len;
#endif
} else {
send_bits(s, (DYN_TREES<<1)+last, 3);
send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1,
max_blindex+1);
send_bits(s, (DYN_TREES<<1) + last, 3);
send_all_trees(s, s->l_desc.max_code + 1, s->d_desc.max_code + 1,
max_blindex + 1);
compress_block(s, (const ct_data *)s->dyn_ltree,
(const ct_data *)s->dyn_dtree);
#ifdef ZLIB_DEBUG
......@@ -1004,22 +1003,22 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
s->compressed_len += 7; /* align on byte boundary */
#endif
}
Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3,
s->compressed_len-7*last));
Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len >> 3,
s->compressed_len - 7*last));
}
/* ===========================================================================
* Save the match info and tally the frequency counts. Return true if
* the current block must be flushed.
*/
int ZLIB_INTERNAL _tr_tally (s, dist, lc)
int ZLIB_INTERNAL _tr_tally(s, dist, lc)
deflate_state *s;
unsigned dist; /* distance of matched string */
unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
unsigned lc; /* match length - MIN_MATCH or unmatched char (dist==0) */
{
s->sym_buf[s->sym_next++] = dist;
s->sym_buf[s->sym_next++] = dist >> 8;
s->sym_buf[s->sym_next++] = lc;
s->sym_buf[s->sym_next++] = (uch)dist;
s->sym_buf[s->sym_next++] = (uch)(dist >> 8);
s->sym_buf[s->sym_next++] = (uch)lc;
if (dist == 0) {
/* lc is the unmatched char */
s->dyn_ltree[lc].Freq++;
......@@ -1031,7 +1030,7 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
(ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
(ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match");
s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++;
s->dyn_ltree[_length_code[lc] + LITERALS + 1].Freq++;
s->dyn_dtree[d_code(dist)].Freq++;
}
return (s->sym_next == s->sym_end);
......@@ -1061,7 +1060,7 @@ local void compress_block(s, ltree, dtree)
} else {
/* Here, lc is the match length - MIN_MATCH */
code = _length_code[lc];
send_code(s, code+LITERALS+1, ltree); /* send the length code */
send_code(s, code + LITERALS + 1, ltree); /* send length code */
extra = extra_lbits[code];
if (extra != 0) {
lc -= base_length[code];
......@@ -1177,6 +1176,6 @@ local void bi_windup(s)
s->bi_buf = 0;
s->bi_valid = 0;
#ifdef ZLIB_DEBUG
s->bits_sent = (s->bits_sent+7) & ~7;
s->bits_sent = (s->bits_sent + 7) & ~7;
#endif
}
......@@ -24,7 +24,7 @@
Z_DATA_ERROR if the input data was corrupted, including if the input data is
an incomplete zlib stream.
*/
int ZEXPORT uncompress2 (dest, destLen, source, sourceLen)
int ZEXPORT uncompress2(dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
......@@ -83,7 +83,7 @@ int ZEXPORT uncompress2 (dest, destLen, source, sourceLen)
err;
}
int ZEXPORT uncompress (dest, destLen, source, sourceLen)
int ZEXPORT uncompress(dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
......
......@@ -38,6 +38,9 @@
# define crc32 z_crc32
# define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64
# define crc32_combine_gen z_crc32_combine_gen
# define crc32_combine_gen64 z_crc32_combine_gen64
# define crc32_combine_op z_crc32_combine_op
# define crc32_z z_crc32_z
# define deflate z_deflate
# define deflateBound z_deflateBound
......@@ -349,6 +352,9 @@
# ifdef FAR
# undef FAR
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
......@@ -467,11 +473,18 @@ typedef uLong FAR uLongf;
# undef _LARGEFILE64_SOURCE
#endif
#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
# define Z_HAVE_UNISTD_H
#ifndef Z_HAVE_UNISTD_H
# ifdef __WATCOMC__
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_HAVE_UNISTD_H
# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS
# include <unixio.h> /* for off_t */
......
/* 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
/*
......@@ -276,7 +276,7 @@ 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
......@@ -660,7 +660,7 @@ 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
......@@ -915,7 +915,7 @@ 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.
......@@ -1437,12 +1437,12 @@ 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));
......@@ -1913,7 +1913,7 @@ 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)
......
......@@ -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 (m)
void ZLIB_INTERNAL z_error(m)
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 (opaque, items, size)
voidpf ZLIB_INTERNAL zcalloc(opaque, items, size)
voidpf opaque;
unsigned items;
unsigned size;
......@@ -312,7 +314,7 @@ voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
(voidpf)calloc(items, size);
}
void ZLIB_INTERNAL zcfree (opaque, ptr)
void ZLIB_INTERNAL zcfree(opaque, ptr)
voidpf opaque;
voidpf ptr;
{
......
......@@ -193,6 +193,7 @@ 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
/* common defaults */
......
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