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chore(Core\Dep): Zlib 1.2.7 to 1.2.12 (#11401)

Browse Source 
version 1.2.7, May 2nd, 2012 to
  version 1.2.12, March 11th, 2022

Ref Security Issue:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25032
This commit is contained in:
acidmanifesto 2022-04-15 11:46:36 -04:00 committed by GitHub
parent 3d609bfd24
commit 0103c896f9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 12497 additions and 3012 deletions
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2
deps/PackageList.txt vendored
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@ -46,7 +46,7 @@ utf8-cpp (UTF-8 with C++ in a Portable Way)
zlib (A Massively Spiffy Yet Delicately Unobtrusive Compression Library)
http://www.zlib.net/
Version: 1.2.7
Version: 1.2.12
gSOAP (a portable development toolkit for C and C++ XML Web services and XML data bindings)
http://gsoap2.sourceforge.net/

3
deps/zlib/CMakeLists.txt vendored
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@ -41,8 +41,7 @@ else()
add_library(zlib STATIC
${zlib_STAT_SRCS})
# Group sources
GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
set_target_properties(zlib PROPERTIES LINKER_LANGUAGE CXX)
target_include_directories(zlib
PUBLIC

21
deps/zlib/adler32.c vendored
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@ -1,5 +1,5 @@
/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2011 Mark Adler
* Copyright (C) 1995-2011, 2016 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -7,11 +7,9 @@
#include "zutil.h"
#define local static
local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#define BASE 65521 /* largest prime smaller than 65536 */
#define BASE 65521U /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
@ -62,10 +60,10 @@ local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#endif
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong ZEXPORT adler32_z(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
z_size_t len;
{
unsigned long sum2;
unsigned n;
@ -132,6 +130,15 @@ uLong ZEXPORT adler32(adler, buf, len)
return adler | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
return adler32_z(adler, buf, len);
}
/* ========================================================================= */
local uLong adler32_combine_(adler1, adler2, len2)
uLong adler1;
@ -156,7 +163,7 @@ local uLong adler32_combine_(adler1, adler2, len2)
sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
if (sum1 >= BASE) sum1 -= BASE;
if (sum1 >= BASE) sum1 -= BASE;
if (sum2 >= (BASE << 1)) sum2 -= (BASE << 1);
if (sum2 >= ((unsigned long)BASE << 1)) sum2 -= ((unsigned long)BASE << 1);
if (sum2 >= BASE) sum2 -= BASE;
return sum1 | (sum2 << 16);
}

42
deps/zlib/compress.c vendored
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@ -1,5 +1,5 @@
/* compress.c -- compress a memory buffer
* Copyright (C) 1995-2005 Jean-loup Gailly.
* Copyright (C) 1995-2005, 2014, 2016 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -28,16 +28,11 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
{
z_stream stream;
int err;
const uInt max = (uInt)-1;
uLong left;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
#ifdef MAXSEG_64K
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
#endif
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
left = *destLen;
*destLen = 0;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
@ -46,15 +41,26 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
err = deflateInit(&stream, level);
if (err != Z_OK) return err;
err = deflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
deflateEnd(&stream);
return err == Z_OK ? Z_BUF_ERROR : err;
}
*destLen = stream.total_out;
stream.next_out = dest;
stream.avail_out = 0;
stream.next_in = (z_const Bytef *)source;
stream.avail_in = 0;
err = deflateEnd(&stream);
return err;
do {
if (stream.avail_out == 0) {
stream.avail_out = left > (uLong)max ? max : (uInt)left;
left -= stream.avail_out;
}
if (stream.avail_in == 0) {
stream.avail_in = sourceLen > (uLong)max ? max : (uInt)sourceLen;
sourceLen -= stream.avail_in;
}
err = deflate(&stream, sourceLen ? Z_NO_FLUSH : Z_FINISH);
} while (err == Z_OK);
*destLen = stream.total_out;
deflateEnd(&stream);
return err == Z_STREAM_END ? Z_OK : err;
}
/* ===========================================================================

1311
deps/zlib/crc32.c vendored
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File diff suppressed because it is too large Load Diff

9877
deps/zlib/crc32.h vendored
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File diff suppressed because it is too large Load Diff

958
deps/zlib/deflate.c vendored
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File diff suppressed because it is too large Load Diff

62
deps/zlib/deflate.h vendored
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@ -1,5 +1,5 @@
/* deflate.h -- internal compression state
* Copyright (C) 1995-2012 Jean-loup Gailly
* Copyright (C) 1995-2018 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -51,13 +51,16 @@
#define Buf_size 16
/* size of bit buffer in bi_buf */
#define INIT_STATE 42
#define EXTRA_STATE 69
#define NAME_STATE 73
#define COMMENT_STATE 91
#define HCRC_STATE 103
#define BUSY_STATE 113
#define FINISH_STATE 666
#define INIT_STATE 42 /* zlib header -> BUSY_STATE */
#ifdef GZIP
# define GZIP_STATE 57 /* gzip header -> BUSY_STATE | EXTRA_STATE */
#endif
#define EXTRA_STATE 69 /* gzip extra block -> NAME_STATE */
#define NAME_STATE 73 /* gzip file name -> COMMENT_STATE */
#define COMMENT_STATE 91 /* gzip comment -> HCRC_STATE */
#define HCRC_STATE 103 /* gzip header CRC -> BUSY_STATE */
#define BUSY_STATE 113 /* deflate -> FINISH_STATE */
#define FINISH_STATE 666 /* stream complete */
/* Stream status */
@ -83,7 +86,7 @@ typedef struct static_tree_desc_s static_tree_desc;
typedef struct tree_desc_s {
ct_data *dyn_tree; /* the dynamic tree */
int max_code; /* largest code with non zero frequency */
static_tree_desc *stat_desc; /* the corresponding static tree */
const static_tree_desc *stat_desc; /* the corresponding static tree */
} FAR tree_desc;
typedef ush Pos;
@ -100,11 +103,11 @@ typedef struct internal_state {
Bytef *pending_buf; /* output still pending */
ulg pending_buf_size; /* size of pending_buf */
Bytef *pending_out; /* next pending byte to output to the stream */
uInt pending; /* nb of bytes in the pending buffer */
ulg pending; /* nb of bytes in the pending buffer */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
gz_headerp gzhead; /* gzip header information to write */
uInt gzindex; /* where in extra, name, or comment */
Byte method; /* STORED (for zip only) or DEFLATED */
ulg gzindex; /* where in extra, name, or comment */
Byte method; /* can only be DEFLATED */
int last_flush; /* value of flush param for previous deflate call */
/* used by deflate.c: */
@ -214,7 +217,7 @@ typedef struct internal_state {
/* Depth of each subtree used as tie breaker for trees of equal frequency
*/
uchf *l_buf; /* buffer for literals or lengths */
uchf *sym_buf; /* buffer for distances and literals/lengths */
uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for
@ -236,20 +239,15 @@ typedef struct internal_state {
* - I can't count above 4
*/
uInt last_lit; /* running index in l_buf */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
uInt sym_next; /* running index in sym_buf */
uInt sym_end; /* symbol table full when sym_next reaches this */
ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */
uInt matches; /* number of string matches in current block */
uInt insert; /* bytes at end of window left to insert */
#ifdef DEBUG
#ifdef ZLIB_DEBUG
ulg compressed_len; /* total bit length of compressed file mod 2^32 */
ulg bits_sent; /* bit length of compressed data sent mod 2^32 */
#endif
@ -275,7 +273,7 @@ typedef struct internal_state {
/* Output a byte on the stream.
* IN assertion: there is enough room in pending_buf.
*/
#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);}
#define put_byte(s, c) {s->pending_buf[s->pending++] = (Bytef)(c);}
#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
@ -309,7 +307,7 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
* used.
*/
#ifndef DEBUG
#ifndef ZLIB_DEBUG
/* Inline versions of _tr_tally for speed: */
#if defined(GEN_TREES_H) || !defined(STDC)
@ -322,20 +320,22 @@ void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
# define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \
s->d_buf[s->last_lit] = 0; \
s->l_buf[s->last_lit++] = cc; \
s->sym_buf[s->sym_next++] = 0; \
s->sym_buf[s->sym_next++] = 0; \
s->sym_buf[s->sym_next++] = cc; \
s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
flush = (s->sym_next == s->sym_end); \
}
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (length); \
ush dist = (distance); \
s->d_buf[s->last_lit] = dist; \
s->l_buf[s->last_lit++] = len; \
{ 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++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
flush = (s->sym_next == s->sym_end); \
}
#else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)

565
deps/zlib/example.c vendored
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@ -1,565 +0,0 @@
/* example.c -- usage example of the zlib compression library
* Copyright (C) 1995-2006 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zlib.h"
#include <stdio.h>
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#endif
#if defined(VMS) || defined(RISCOS)
# define TESTFILE "foo-gz"
#else
# define TESTFILE "foo.gz"
#endif
#define CHECK_ERR(err, msg) { \
if (err != Z_OK) { \
fprintf(stderr, "%s error: %d\n", msg, err); \
exit(1); \
} \
}
const char hello[] = "hello, hello!";
/* "hello world" would be more standard, but the repeated "hello"
* stresses the compression code better, sorry...
*/
const char dictionary[] = "hello";
uLong dictId; /* Adler32 value of the dictionary */
void test_compress OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_gzio OF((const char *fname,
Byte *uncompr, uLong uncomprLen));
void test_deflate OF((Byte *compr, uLong comprLen));
void test_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_large_deflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_large_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_flush OF((Byte *compr, uLong *comprLen));
void test_sync OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
void test_dict_deflate OF((Byte *compr, uLong comprLen));
void test_dict_inflate OF((Byte *compr, uLong comprLen,
Byte *uncompr, uLong uncomprLen));
int main OF((int argc, char *argv[]));
/* ===========================================================================
* Test compress() and uncompress()
*/
void test_compress(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
uLong len = (uLong)strlen(hello)+1;
err = compress(compr, &comprLen, (const Bytef*)hello, len);
CHECK_ERR(err, "compress");
strcpy((char*)uncompr, "garbage");
err = uncompress(uncompr, &uncomprLen, compr, comprLen);
CHECK_ERR(err, "uncompress");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad uncompress\n");
exit(1);
} else {
printf("uncompress(): %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Test read/write of .gz files
*/
void test_gzio(fname, uncompr, uncomprLen)
const char *fname; /* compressed file name */
Byte *uncompr;
uLong uncomprLen;
{
#ifdef NO_GZCOMPRESS
fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n");
#else
int err;
int len = (int)strlen(hello)+1;
gzFile file;
z_off_t pos;
file = gzopen(fname, "wb");
if (file == NULL) {
fprintf(stderr, "gzopen error\n");
exit(1);
}
gzputc(file, 'h');
if (gzputs(file, "ello") != 4) {
fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err));
exit(1);
}
if (gzprintf(file, ", %s!", "hello") != 8) {
fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err));
exit(1);
}
gzseek(file, 1L, SEEK_CUR); /* add one zero byte */
gzclose(file);
file = gzopen(fname, "rb");
if (file == NULL) {
fprintf(stderr, "gzopen error\n");
exit(1);
}
strcpy((char*)uncompr, "garbage");
if (gzread(file, uncompr, (unsigned)uncomprLen) != len) {
fprintf(stderr, "gzread err: %s\n", gzerror(file, &err));
exit(1);
}
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad gzread: %s\n", (char*)uncompr);
exit(1);
} else {
printf("gzread(): %s\n", (char*)uncompr);
}
pos = gzseek(file, -8L, SEEK_CUR);
if (pos != 6 || gztell(file) != pos) {
fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n",
(long)pos, (long)gztell(file));
exit(1);
}
if (gzgetc(file) != ' ') {
fprintf(stderr, "gzgetc error\n");
exit(1);
}
if (gzungetc(' ', file) != ' ') {
fprintf(stderr, "gzungetc error\n");
exit(1);
}
gzgets(file, (char*)uncompr, (int)uncomprLen);
if (strlen((char*)uncompr) != 7) { /* " hello!" */
fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err));
exit(1);
}
if (strcmp((char*)uncompr, hello + 6)) {
fprintf(stderr, "bad gzgets after gzseek\n");
exit(1);
} else {
printf("gzgets() after gzseek: %s\n", (char*)uncompr);
}
gzclose(file);
#endif
}
/* ===========================================================================
* Test deflate() with small buffers
*/
void test_deflate(compr, comprLen)
Byte *compr;
uLong comprLen;
{
z_stream c_stream; /* compression stream */
int err;
uLong len = (uLong)strlen(hello)+1;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
CHECK_ERR(err, "deflateInit");
c_stream.next_in = (Bytef*)hello;
c_stream.next_out = compr;
while (c_stream.total_in != len && c_stream.total_out < comprLen) {
c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
}
/* Finish the stream, still forcing small buffers: */
for (;;) {
c_stream.avail_out = 1;
err = deflate(&c_stream, Z_FINISH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "deflate");
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with small buffers
*/
void test_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = 0;
d_stream.next_out = uncompr;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) {
d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "inflate");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad inflate\n");
exit(1);
} else {
printf("inflate(): %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Test deflate() with large buffers and dynamic change of compression level
*/
void test_large_deflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
z_stream c_stream; /* compression stream */
int err;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_BEST_SPEED);
CHECK_ERR(err, "deflateInit");
c_stream.next_out = compr;
c_stream.avail_out = (uInt)comprLen;
/* At this point, uncompr is still mostly zeroes, so it should compress
* very well:
*/
c_stream.next_in = uncompr;
c_stream.avail_in = (uInt)uncomprLen;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
if (c_stream.avail_in != 0) {
fprintf(stderr, "deflate not greedy\n");
exit(1);
}
/* Feed in already compressed data and switch to no compression: */
deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY);
c_stream.next_in = compr;
c_stream.avail_in = (uInt)comprLen/2;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
/* Switch back to compressing mode: */
deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED);
c_stream.next_in = uncompr;
c_stream.avail_in = (uInt)uncomprLen;
err = deflate(&c_stream, Z_NO_FLUSH);
CHECK_ERR(err, "deflate");
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
fprintf(stderr, "deflate should report Z_STREAM_END\n");
exit(1);
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with large buffers
*/
void test_large_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = (uInt)comprLen;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
for (;;) {
d_stream.next_out = uncompr; /* discard the output */
d_stream.avail_out = (uInt)uncomprLen;
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
CHECK_ERR(err, "large inflate");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (d_stream.total_out != 2*uncomprLen + comprLen/2) {
fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out);
exit(1);
} else {
printf("large_inflate(): OK\n");
}
}
/* ===========================================================================
* Test deflate() with full flush
*/
void test_flush(compr, comprLen)
Byte *compr;
uLong *comprLen;
{
z_stream c_stream; /* compression stream */
int err;
uInt len = (uInt)strlen(hello)+1;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
CHECK_ERR(err, "deflateInit");
c_stream.next_in = (Bytef*)hello;
c_stream.next_out = compr;
c_stream.avail_in = 3;
c_stream.avail_out = (uInt)*comprLen;
err = deflate(&c_stream, Z_FULL_FLUSH);
CHECK_ERR(err, "deflate");
compr[3]++; /* force an error in first compressed block */
c_stream.avail_in = len - 3;
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
CHECK_ERR(err, "deflate");
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
*comprLen = c_stream.total_out;
}
/* ===========================================================================
* Test inflateSync()
*/
void test_sync(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = 2; /* just read the zlib header */
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.avail_out = (uInt)uncomprLen;
inflate(&d_stream, Z_NO_FLUSH);
CHECK_ERR(err, "inflate");
d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */
err = inflateSync(&d_stream); /* but skip the damaged part */
CHECK_ERR(err, "inflateSync");
err = inflate(&d_stream, Z_FINISH);
if (err != Z_DATA_ERROR) {
fprintf(stderr, "inflate should report DATA_ERROR\n");
/* Because of incorrect adler32 */
exit(1);
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
printf("after inflateSync(): hel%s\n", (char *)uncompr);
}
/* ===========================================================================
* Test deflate() with preset dictionary
*/
void test_dict_deflate(compr, comprLen)
Byte *compr;
uLong comprLen;
{
z_stream c_stream; /* compression stream */
int err;
c_stream.zalloc = (alloc_func)0;
c_stream.zfree = (free_func)0;
c_stream.opaque = (voidpf)0;
err = deflateInit(&c_stream, Z_BEST_COMPRESSION);
CHECK_ERR(err, "deflateInit");
err = deflateSetDictionary(&c_stream,
(const Bytef*)dictionary, sizeof(dictionary));
CHECK_ERR(err, "deflateSetDictionary");
dictId = c_stream.adler;
c_stream.next_out = compr;
c_stream.avail_out = (uInt)comprLen;
c_stream.next_in = (Bytef*)hello;
c_stream.avail_in = (uInt)strlen(hello)+1;
err = deflate(&c_stream, Z_FINISH);
if (err != Z_STREAM_END) {
fprintf(stderr, "deflate should report Z_STREAM_END\n");
exit(1);
}
err = deflateEnd(&c_stream);
CHECK_ERR(err, "deflateEnd");
}
/* ===========================================================================
* Test inflate() with a preset dictionary
*/
void test_dict_inflate(compr, comprLen, uncompr, uncomprLen)
Byte *compr, *uncompr;
uLong comprLen, uncomprLen;
{
int err;
z_stream d_stream; /* decompression stream */
strcpy((char*)uncompr, "garbage");
d_stream.zalloc = (alloc_func)0;
d_stream.zfree = (free_func)0;
d_stream.opaque = (voidpf)0;
d_stream.next_in = compr;
d_stream.avail_in = (uInt)comprLen;
err = inflateInit(&d_stream);
CHECK_ERR(err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.avail_out = (uInt)uncomprLen;
for (;;) {
err = inflate(&d_stream, Z_NO_FLUSH);
if (err == Z_STREAM_END) break;
if (err == Z_NEED_DICT) {
if (d_stream.adler != dictId) {
fprintf(stderr, "unexpected dictionary");
exit(1);
}
err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary,
sizeof(dictionary));
}
CHECK_ERR(err, "inflate with dict");
}
err = inflateEnd(&d_stream);
CHECK_ERR(err, "inflateEnd");
if (strcmp((char*)uncompr, hello)) {
fprintf(stderr, "bad inflate with dict\n");
exit(1);
} else {
printf("inflate with dictionary: %s\n", (char *)uncompr);
}
}
/* ===========================================================================
* Usage: example [output.gz [input.gz]]
*/
int main(argc, argv)
int argc;
char *argv[];
{
Byte *compr, *uncompr;
uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */
uLong uncomprLen = comprLen;
static const char* myVersion = ZLIB_VERSION;
if (zlibVersion()[0] != myVersion[0]) {
fprintf(stderr, "incompatible zlib version\n");
exit(1);
} else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) {
fprintf(stderr, "warning: different zlib version\n");
}
printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n",
ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags());
compr = (Byte*)calloc((uInt)comprLen, 1);
uncompr = (Byte*)calloc((uInt)uncomprLen, 1);
/* compr and uncompr are cleared to avoid reading uninitialized
* data and to ensure that uncompr compresses well.
*/
if (compr == Z_NULL || uncompr == Z_NULL) {
printf("out of memory\n");
exit(1);
}
test_compress(compr, comprLen, uncompr, uncomprLen);
test_gzio((argc > 1 ? argv[1] : TESTFILE),
uncompr, uncomprLen);
test_deflate(compr, comprLen);
test_inflate(compr, comprLen, uncompr, uncomprLen);
test_large_deflate(compr, comprLen, uncompr, uncomprLen);
test_large_inflate(compr, comprLen, uncompr, uncomprLen);
test_flush(compr, &comprLen);
test_sync(compr, comprLen, uncompr, uncomprLen);
comprLen = uncomprLen;
test_dict_deflate(compr, comprLen);
test_dict_inflate(compr, comprLen, uncompr, uncomprLen);
free(compr);
free(uncompr);
return 0;
}

36
deps/zlib/gzguts.h vendored
View File

@ -1,5 +1,5 @@
/* gzguts.h -- zlib internal header definitions for gz* operations
* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
* Copyright (C) 2004-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -25,6 +25,10 @@
# include <stdlib.h>
# include <limits.h>
#endif
#ifndef _POSIX_SOURCE
# define _POSIX_SOURCE
#endif
#include <fcntl.h>
#ifdef _WIN32
@ -35,6 +39,17 @@
# include <io.h>
#endif
#if defined(_WIN32)
# define WIDECHAR
#endif
#ifdef WINAPI_FAMILY
# define open _open
# define read _read
# define write _write
# define close _close
#endif
#ifdef NO_DEFLATE /* for compatibility with old definition */
# define NO_GZCOMPRESS
#endif
@ -60,7 +75,7 @@
#ifndef HAVE_VSNPRINTF
# ifdef MSDOS
/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
but for now we just assume it doesn't. */
but for now we just assume it doesn't. */
# define NO_vsnprintf
# endif
# ifdef __TURBOC__
@ -88,10 +103,19 @@
# endif
#endif
/* unlike snprintf (which is required in C99), _snprintf does not guarantee
null termination of the result -- however this is only used in gzlib.c where
the result is assured to fit in the space provided */
#if defined(_MSC_VER) && _MSC_VER < 1900
# define snprintf _snprintf
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
/* since "static" is used to mean two completely different things in C, we
define "local" for the non-static meaning of "static", for readability
(compile with -Dlocal if your debugger can't find static symbols) */
/* gz* functions always use library allocation functions */
#ifndef STDC
@ -127,7 +151,8 @@
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default i/o buffer size -- double this for output when reading */
/* default i/o buffer size -- double this for output when reading (this and
twice this must be able to fit in an unsigned type) */
#define GZBUFSIZE 8192
/* gzip modes, also provide a little integrity check on the passed structure */
@ -154,7 +179,7 @@ typedef struct {
char *path; /* path or fd for error messages */
unsigned size; /* buffer size, zero if not allocated yet */
unsigned want; /* requested buffer size, default is GZBUFSIZE */
unsigned char *in; /* input buffer */
unsigned char *in; /* input buffer (double-sized when writing) */
unsigned char *out; /* output buffer (double-sized when reading) */
int direct; /* 0 if processing gzip, 1 if transparent */
/* just for reading */
@ -165,6 +190,7 @@ typedef struct {
/* just for writing */
int level; /* compression level */
int strategy; /* compression strategy */
int reset; /* true if a reset is pending after a Z_FINISH */
/* seek request */
z_off64_t skip; /* amount to skip (already rewound if backwards) */
int seek; /* true if seek request pending */

63
deps/zlib/gzlib.c vendored
View File

@ -1,5 +1,5 @@
/* gzlib.c -- zlib functions common to reading and writing gzip files
* Copyright (C) 2004, 2010, 2011, 2012 Mark Adler
* Copyright (C) 2004-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -81,6 +81,8 @@ local void gz_reset(state)
state->past = 0; /* have not read past end yet */
state->how = LOOK; /* look for gzip header */
}
else /* for writing ... */
state->reset = 0; /* no deflateReset pending */
state->seek = 0; /* no seek request pending */
gz_error(state, Z_OK, NULL); /* clear error */
state->x.pos = 0; /* no uncompressed data yet */
@ -94,7 +96,7 @@ local gzFile gz_open(path, fd, mode)
const char *mode;
{
gz_statep state;
size_t len;
z_size_t len;
int oflag;
#ifdef O_CLOEXEC
int cloexec = 0;
@ -108,7 +110,7 @@ local gzFile gz_open(path, fd, mode)
return NULL;
/* allocate gzFile structure to return */
state = malloc(sizeof(gz_state));
state = (gz_statep)malloc(sizeof(gz_state));
if (state == NULL)
return NULL;
state->size = 0; /* no buffers allocated yet */
@ -162,8 +164,10 @@ local gzFile gz_open(path, fd, mode)
break;
case 'F':
state->strategy = Z_FIXED;
break;
case 'T':
state->direct = 1;
break;
default: /* could consider as an error, but just ignore */
;
}
@ -186,21 +190,21 @@ local gzFile gz_open(path, fd, mode)
}
/* save the path name for error messages */
#ifdef _WIN32
#ifdef WIDECHAR
if (fd == -2) {
len = wcstombs(NULL, path, 0);
if (len == (size_t)-1)
if (len == (z_size_t)-1)
len = 0;
}
else
#endif
len = strlen(path);
state->path = malloc(len + 1);
len = strlen((const char *)path);
state->path = (char *)malloc(len + 1);
if (state->path == NULL) {
free(state);
return NULL;
}
#ifdef _WIN32
#ifdef WIDECHAR
if (fd == -2)
if (len)
wcstombs(state->path, path, len + 1);
@ -208,7 +212,11 @@ local gzFile gz_open(path, fd, mode)
*(state->path) = 0;
else
#endif
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
(void)snprintf(state->path, len + 1, "%s", (const char *)path);
#else
strcpy(state->path, path);
#endif
/* compute the flags for open() */
oflag =
@ -233,17 +241,19 @@ local gzFile gz_open(path, fd, mode)
/* open the file with the appropriate flags (or just use fd) */
state->fd = fd > -1 ? fd : (
#ifdef _WIN32
#ifdef WIDECHAR
fd == -2 ? _wopen(path, oflag, 0666) :
#endif
open(path, oflag, 0666));
open((const char *)path, oflag, 0666));
if (state->fd == -1) {
free(state->path);
free(state);
return NULL;
}
if (state->mode == GZ_APPEND)
if (state->mode == GZ_APPEND) {
LSEEK(state->fd, 0, SEEK_END); /* so gzoffset() is correct */
state->mode = GZ_WRITE; /* simplify later checks */
}
/* save the current position for rewinding (only if reading) */
if (state->mode == GZ_READ) {
@ -282,16 +292,20 @@ gzFile ZEXPORT gzdopen(fd, mode)
char *path; /* identifier for error messages */
gzFile gz;
if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL)
if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL)
return NULL;
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
(void)snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd);
#else
sprintf(path, "<fd:%d>", fd); /* for debugging */
#endif
gz = gz_open(path, fd, mode);
free(path);
return gz;
}
/* -- see zlib.h -- */
#ifdef _WIN32
#ifdef WIDECHAR
gzFile ZEXPORT gzopen_w(path, mode)
const wchar_t *path;
const char *mode;
@ -319,6 +333,8 @@ int ZEXPORT gzbuffer(file, size)
return -1;
/* check and set requested size */
if ((size << 1) < size)
return -1; /* need to be able to double it */
if (size < 2)
size = 2; /* need two bytes to check magic header */
state->want = size;
@ -383,7 +399,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
/* if within raw area while reading, just go there */
if (state->mode == GZ_READ && state->how == COPY &&
state->x.pos + offset >= 0) {
ret = LSEEK(state->fd, offset - state->x.have, SEEK_CUR);
ret = LSEEK(state->fd, offset - (z_off64_t)state->x.have, SEEK_CUR);
if (ret == -1)
return -1;
state->x.have = 0;
@ -531,7 +547,8 @@ const char * ZEXPORT gzerror(file, errnum)
/* return error information */
if (errnum != NULL)
*errnum = state->err;
return state->msg == NULL ? "" : state->msg;
return state->err == Z_MEM_ERROR ? "out of memory" :
(state->msg == NULL ? "" : state->msg);
}
/* -- see zlib.h -- */
@ -582,22 +599,24 @@ void ZLIB_INTERNAL gz_error(state, err, msg)
if (msg == NULL)
return;
/* for an out of memory error, save as static string */
if (err == Z_MEM_ERROR) {
state->msg = (char *)msg;
/* for an out of memory error, return literal string when requested */
if (err == Z_MEM_ERROR)
return;
}
/* construct error message with path */
if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) ==
NULL) {
state->err = Z_MEM_ERROR;
state->msg = (char *)"out of memory";
return;
}
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
(void)snprintf(state->msg, strlen(state->path) + strlen(msg) + 3,
"%s%s%s", state->path, ": ", msg);
#else
strcpy(state->msg, state->path);
strcat(state->msg, ": ");
strcat(state->msg, msg);
return;
#endif
}
#ifndef INT_MAX

175
deps/zlib/gzread.c vendored
View File

@ -1,5 +1,5 @@
/* gzread.c -- zlib functions for reading gzip files
* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
* Copyright (C) 2004-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -12,6 +12,7 @@ local int gz_look OF((gz_statep));
local int gz_decomp OF((gz_statep));
local int gz_fetch OF((gz_statep));
local int gz_skip OF((gz_statep, z_off64_t));
local z_size_t gz_read OF((gz_statep, voidp, z_size_t));
/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from
state->fd, and update state->eof, state->err, and state->msg as appropriate.
@ -24,13 +25,17 @@ local int gz_load(state, buf, len, have)
unsigned *have;
{
int ret;
unsigned get, max = ((unsigned)-1 >> 2) + 1;
*have = 0;
do {
ret = read(state->fd, buf + *have, len - *have);
get = len - *have;
if (get > max)
get = max;
ret = read(state->fd, buf + *have, get);
if (ret <= 0)
break;
*have += ret;
*have += (unsigned)ret;
} while (*have < len);
if (ret < 0) {
gz_error(state, Z_ERRNO, zstrerror());
@ -58,7 +63,8 @@ local int gz_avail(state)
return -1;
if (state->eof == 0) {
if (strm->avail_in) { /* copy what's there to the start */
unsigned char *p = state->in, *q = strm->next_in;
unsigned char *p = state->in;
unsigned const char *q = strm->next_in;
unsigned n = strm->avail_in;
do {
*p++ = *q++;
@ -90,13 +96,11 @@ local int gz_look(state)
/* allocate read buffers and inflate memory */
if (state->size == 0) {
/* allocate buffers */
state->in = malloc(state->want);
state->out = malloc(state->want << 1);
state->in = (unsigned char *)malloc(state->want);
state->out = (unsigned char *)malloc(state->want << 1);
if (state->in == NULL || state->out == NULL) {
if (state->out != NULL)
free(state->out);
if (state->in != NULL)
free(state->in);
free(state->out);
free(state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
@ -283,33 +287,17 @@ local int gz_skip(state, len)
return 0;
}
/* -- see zlib.h -- */
int ZEXPORT gzread(file, buf, len)
gzFile file;
voidp buf;
unsigned len;
{
unsigned got, n;
/* Read len bytes into buf from file, or less than len up to the end of the
input. Return the number of bytes read. If zero is returned, either the
end of file was reached, or there was an error. state->err must be
consulted in that case to determine which. */
local z_size_t gz_read(state, buf, len)
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're reading and that there's no (serious) error */
if (state->mode != GZ_READ ||
(state->err != Z_OK && state->err != Z_BUF_ERROR))
return -1;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids the flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_DATA_ERROR, "requested length does not fit in int");
return -1;
}
voidp buf;
z_size_t len;
{
z_size_t got;
unsigned n;
/* if len is zero, avoid unnecessary operations */
if (len == 0)
@ -319,32 +307,38 @@ int ZEXPORT gzread(file, buf, len)
if (state->seek) {
state->seek = 0;
if (gz_skip(state, state->skip) == -1)
return -1;
return 0;
}
/* get len bytes to buf, or less than len if at the end */
got = 0;
do {
/* set n to the maximum amount of len that fits in an unsigned int */
n = (unsigned)-1;
if (n > len)
n = (unsigned)len;
/* first just try copying data from the output buffer */
if (state->x.have) {
n = state->x.have > len ? len : state->x.have;
if (state->x.have < n)
n = state->x.have;
memcpy(buf, state->x.next, n);
state->x.next += n;
state->x.have -= n;
}
/* output buffer empty -- return if we're at the end of the input */
else if (state->eof && strm->avail_in == 0) {
else if (state->eof && state->strm.avail_in == 0) {
state->past = 1; /* tried to read past end */
break;
}
/* need output data -- for small len or new stream load up our output
buffer */
else if (state->how == LOOK || len < (state->size << 1)) {
else if (state->how == LOOK || n < (state->size << 1)) {
/* get more output, looking for header if required */
if (gz_fetch(state) == -1)
return -1;
return 0;
continue; /* no progress yet -- go back to copy above */
/* the copy above assures that we will leave with space in the
output buffer, allowing at least one gzungetc() to succeed */
@ -352,16 +346,16 @@ int ZEXPORT gzread(file, buf, len)
/* large len -- read directly into user buffer */
else if (state->how == COPY) { /* read directly */
if (gz_load(state, buf, len, &n) == -1)
return -1;
if (gz_load(state, (unsigned char *)buf, n, &n) == -1)
return 0;
}
/* large len -- decompress directly into user buffer */
else { /* state->how == GZIP */
strm->avail_out = len;
strm->next_out = buf;
state->strm.avail_out = n;
state->strm.next_out = (unsigned char *)buf;
if (gz_decomp(state) == -1)
return -1;
return 0;
n = state->x.have;
state->x.have = 0;
}
@ -373,16 +367,86 @@ int ZEXPORT gzread(file, buf, len)
state->x.pos += n;
} while (len);
/* return number of bytes read into user buffer (will fit in int) */
return (int)got;
/* return number of bytes read into user buffer */
return got;
}
/* -- see zlib.h -- */
#undef gzgetc
int ZEXPORT gzread(file, buf, len)
gzFile file;
voidp buf;
unsigned len;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're reading and that there's no (serious) error */
if (state->mode != GZ_READ ||
(state->err != Z_OK && state->err != Z_BUF_ERROR))
return -1;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids a flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_STREAM_ERROR, "request does not fit in an int");
return -1;
}
/* read len or fewer bytes to buf */
len = (unsigned)gz_read(state, buf, len);
/* check for an error */
if (len == 0 && state->err != Z_OK && state->err != Z_BUF_ERROR)
return -1;
/* return the number of bytes read (this is assured to fit in an int) */
return (int)len;
}
/* -- see zlib.h -- */
z_size_t ZEXPORT gzfread(buf, size, nitems, file)
voidp buf;
z_size_t size;
z_size_t nitems;
gzFile file;
{
z_size_t len;
gz_statep state;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
/* check that we're reading and that there's no (serious) error */
if (state->mode != GZ_READ ||
(state->err != Z_OK && state->err != Z_BUF_ERROR))
return 0;
/* compute bytes to read -- error on overflow */
len = nitems * size;
if (size && len / size != nitems) {
gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t");
return 0;
}
/* read len or fewer bytes to buf, return the number of full items read */
return len ? gz_read(state, buf, len) / size : 0;
}
/* -- see zlib.h -- */
#ifdef Z_PREFIX_SET
# undef z_gzgetc
#else
# undef gzgetc
#endif
int ZEXPORT gzgetc(file)
gzFile file;
{
int ret;
unsigned char buf[1];
gz_statep state;
@ -403,9 +467,8 @@ int ZEXPORT gzgetc(file)
return *(state->x.next)++;
}
/* nothing there -- try gzread() */
ret = gzread(file, buf, 1);
return ret < 1 ? -1 : buf[0];
/* nothing there -- try gz_read() */
return gz_read(state, buf, 1) < 1 ? -1 : buf[0];
}
int ZEXPORT gzgetc_(file)
@ -446,7 +509,7 @@ int ZEXPORT gzungetc(c, file)
if (state->x.have == 0) {
state->x.have = 1;
state->x.next = state->out + (state->size << 1) - 1;
state->x.next[0] = c;
state->x.next[0] = (unsigned char)c;
state->x.pos--;
state->past = 0;
return c;
@ -468,7 +531,7 @@ int ZEXPORT gzungetc(c, file)
}
state->x.have++;
state->x.next--;
state->x.next[0] = c;
state->x.next[0] = (unsigned char)c;
state->x.pos--;
state->past = 0;
return c;
@ -518,7 +581,7 @@ char * ZEXPORT gzgets(file, buf, len)
/* look for end-of-line in current output buffer */
n = state->x.have > left ? left : state->x.have;
eol = memchr(state->x.next, '\n', n);
eol = (unsigned char *)memchr(state->x.next, '\n', n);
if (eol != NULL)
n = (unsigned)(eol - state->x.next) + 1;

408
deps/zlib/gzwrite.c vendored
View File

@ -1,5 +1,5 @@
/* gzwrite.c -- zlib functions for writing gzip files
* Copyright (C) 2004, 2005, 2010, 2011, 2012 Mark Adler
* Copyright (C) 2004-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -9,17 +9,19 @@
local int gz_init OF((gz_statep));
local int gz_comp OF((gz_statep, int));
local int gz_zero OF((gz_statep, z_off64_t));
local z_size_t gz_write OF((gz_statep, voidpc, z_size_t));
/* Initialize state for writing a gzip file. Mark initialization by setting
state->size to non-zero. Return -1 on failure or 0 on success. */
state->size to non-zero. Return -1 on a memory allocation failure, or 0 on
success. */
local int gz_init(state)
gz_statep state;
{
int ret;
z_streamp strm = &(state->strm);
/* allocate input buffer */
state->in = malloc(state->want);
/* allocate input buffer (double size for gzprintf) */
state->in = (unsigned char *)malloc(state->want << 1);
if (state->in == NULL) {
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
@ -28,7 +30,7 @@ local int gz_init(state)
/* only need output buffer and deflate state if compressing */
if (!state->direct) {
/* allocate output buffer */
state->out = malloc(state->want);
state->out = (unsigned char *)malloc(state->want);
if (state->out == NULL) {
free(state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
@ -47,6 +49,7 @@ local int gz_init(state)
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
strm->next_in = NULL;
}
/* mark state as initialized */
@ -62,17 +65,17 @@ local int gz_init(state)
}
/* Compress whatever is at avail_in and next_in and write to the output file.
Return -1 if there is an error writing to the output file, otherwise 0.
flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH,
then the deflate() state is reset to start a new gzip stream. If gz->direct
is true, then simply write to the output file without compressing, and
ignore flush. */
Return -1 if there is an error writing to the output file or if gz_init()
fails to allocate memory, otherwise 0. flush is assumed to be a valid
deflate() flush value. If flush is Z_FINISH, then the deflate() state is
reset to start a new gzip stream. If gz->direct is true, then simply write
to the output file without compressing, and ignore flush. */
local int gz_comp(state, flush)
gz_statep state;
int flush;
{
int ret, got;
unsigned have;
int ret, writ;
unsigned have, put, max = ((unsigned)-1 >> 2) + 1;
z_streamp strm = &(state->strm);
/* allocate memory if this is the first time through */
@ -81,15 +84,28 @@ local int gz_comp(state, flush)
/* write directly if requested */
if (state->direct) {
got = write(state->fd, strm->next_in, strm->avail_in);
if (got < 0 || (unsigned)got != strm->avail_in) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
while (strm->avail_in) {
put = strm->avail_in > max ? max : strm->avail_in;
writ = write(state->fd, strm->next_in, put);
if (writ < 0) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
}
strm->avail_in -= (unsigned)writ;
strm->next_in += writ;
}
strm->avail_in = 0;
return 0;
}
/* check for a pending reset */
if (state->reset) {
/* don't start a new gzip member unless there is data to write */
if (strm->avail_in == 0)
return 0;
deflateReset(strm);
state->reset = 0;
}
/* run deflate() on provided input until it produces no more output */
ret = Z_OK;
do {
@ -97,17 +113,21 @@ local int gz_comp(state, flush)
doing Z_FINISH then don't write until we get to Z_STREAM_END */
if (strm->avail_out == 0 || (flush != Z_NO_FLUSH &&
(flush != Z_FINISH || ret == Z_STREAM_END))) {
have = (unsigned)(strm->next_out - state->x.next);
if (have && ((got = write(state->fd, state->x.next, have)) < 0 ||
(unsigned)got != have)) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
while (strm->next_out > state->x.next) {
put = strm->next_out - state->x.next > (int)max ? max :
(unsigned)(strm->next_out - state->x.next);
writ = write(state->fd, state->x.next, put);
if (writ < 0) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
}
state->x.next += writ;
}
if (strm->avail_out == 0) {
strm->avail_out = state->size;
strm->next_out = state->out;
state->x.next = state->out;
}
state->x.next = strm->next_out;
}
/* compress */
@ -123,13 +143,14 @@ local int gz_comp(state, flush)
/* if that completed a deflate stream, allow another to start */
if (flush == Z_FINISH)
deflateReset(strm);
state->reset = 1;
/* all done, no errors */
return 0;
}
/* Compress len zeros to output. Return -1 on error, 0 on success. */
/* Compress len zeros to output. Return -1 on a write error or memory
allocation failure by gz_comp(), or 0 on success. */
local int gz_zero(state, len)
gz_statep state;
z_off64_t len;
@ -161,33 +182,14 @@ local int gz_zero(state, len)
return 0;
}
/* -- see zlib.h -- */
int ZEXPORT gzwrite(file, buf, len)
gzFile file;
voidpc buf;
unsigned len;
{
unsigned put = len;
unsigned n;
/* Write len bytes from buf to file. Return the number of bytes written. If
the returned value is less than len, then there was an error. */
local z_size_t gz_write(state, buf, len)
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids the flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_DATA_ERROR, "requested length does not fit in int");
return 0;
}
voidpc buf;
z_size_t len;
{
z_size_t put = len;
/* if len is zero, avoid unnecessary operations */
if (len == 0)
@ -208,35 +210,103 @@ int ZEXPORT gzwrite(file, buf, len)
if (len < state->size) {
/* copy to input buffer, compress when full */
do {
if (strm->avail_in == 0)
strm->next_in = state->in;
n = state->size - strm->avail_in;
if (n > len)
n = len;
memcpy(strm->next_in + strm->avail_in, buf, n);
strm->avail_in += n;
state->x.pos += n;
buf = (char *)buf + n;
len -= n;
unsigned have, copy;
if (state->strm.avail_in == 0)
state->strm.next_in = state->in;
have = (unsigned)((state->strm.next_in + state->strm.avail_in) -
state->in);
copy = state->size - have;
if (copy > len)
copy = (unsigned)len;
memcpy(state->in + have, buf, copy);
state->strm.avail_in += copy;
state->x.pos += copy;
buf = (const char *)buf + copy;
len -= copy;
if (len && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
} while (len);
}
else {
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
if (state->strm.avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* directly compress user buffer to file */
strm->avail_in = len;
strm->next_in = (voidp)buf;
state->x.pos += len;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
state->strm.next_in = (z_const Bytef *)buf;
do {
unsigned n = (unsigned)-1;
if (n > len)
n = (unsigned)len;
state->strm.avail_in = n;
state->x.pos += n;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
len -= n;
} while (len);
}
/* input was all buffered or compressed (put will fit in int) */
return (int)put;
/* input was all buffered or compressed */
return put;
}
/* -- see zlib.h -- */
int ZEXPORT gzwrite(file, buf, len)
gzFile file;
voidpc buf;
unsigned len;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids a flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_DATA_ERROR, "requested length does not fit in int");
return 0;
}
/* write len bytes from buf (the return value will fit in an int) */
return (int)gz_write(state, buf, len);
}
/* -- see zlib.h -- */
z_size_t ZEXPORT gzfwrite(buf, size, nitems, file)
voidpc buf;
z_size_t size;
z_size_t nitems;
gzFile file;
{
z_size_t len;
gz_statep state;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* compute bytes to read -- error on overflow */
len = nitems * size;
if (size && len / size != nitems) {
gz_error(state, Z_STREAM_ERROR, "request does not fit in a size_t");
return 0;
}
/* write len bytes to buf, return the number of full items written */
return len ? gz_write(state, buf, len) / size : 0;
}
/* -- see zlib.h -- */
@ -244,6 +314,7 @@ int ZEXPORT gzputc(file, c)
gzFile file;
int c;
{
unsigned have;
unsigned char buf[1];
gz_statep state;
z_streamp strm;
@ -267,107 +338,139 @@ int ZEXPORT gzputc(file, c)
/* try writing to input buffer for speed (state->size == 0 if buffer not
initialized) */
if (strm->avail_in < state->size) {
if (state->size) {
if (strm->avail_in == 0)
strm->next_in = state->in;
strm->next_in[strm->avail_in++] = c;
state->x.pos++;
return c & 0xff;
have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
if (have < state->size) {
state->in[have] = (unsigned char)c;
strm->avail_in++;
state->x.pos++;
return c & 0xff;
}
}
/* no room in buffer or not initialized, use gz_write() */
buf[0] = c;
if (gzwrite(file, buf, 1) != 1)
buf[0] = (unsigned char)c;
if (gz_write(state, buf, 1) != 1)
return -1;
return c & 0xff;
}
/* -- see zlib.h -- */
int ZEXPORT gzputs(file, str)
int ZEXPORT gzputs(file, s)
gzFile file;
const char *str;
const char *s;
{
int ret;
unsigned len;
z_size_t len, put;
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return -1;
/* write string */
len = (unsigned)strlen(str);
ret = gzwrite(file, str, len);
return ret == 0 && len != 0 ? -1 : ret;
len = strlen(s);
if ((int)len < 0 || (unsigned)len != len) {
gz_error(state, Z_STREAM_ERROR, "string length does not fit in int");
return -1;
}
put = gz_write(state, s, len);
return put < len ? -1 : (int)len;
}
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
#include <stdarg.h>
/* -- see zlib.h -- */
int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va)
{
int size, len;
int len;
unsigned left;
char *next;
gz_statep state;
z_streamp strm;
va_list va;
/* get internal structure */
if (file == NULL)
return -1;
return Z_STREAM_ERROR;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
return Z_STREAM_ERROR;
/* make sure we have some buffer space */
if (state->size == 0 && gz_init(state) == -1)
return 0;
return state->err;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return 0;
return state->err;
}
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* do the printf() into the input buffer, put length in len */
size = (int)(state->size);
state->in[size - 1] = 0;
va_start(va, format);
/* do the printf() into the input buffer, put length in len -- the input
buffer is double-sized just for this function, so there is guaranteed to
be state->size bytes available after the current contents */
if (strm->avail_in == 0)
strm->next_in = state->in;
next = (char *)(state->in + (strm->next_in - state->in) + strm->avail_in);
next[state->size - 1] = 0;
#ifdef NO_vsnprintf
# ifdef HAS_vsprintf_void
(void)vsprintf((char *)(state->in), format, va);
va_end(va);
for (len = 0; len < size; len++)
if (state->in[len] == 0) break;
(void)vsprintf(next, format, va);
for (len = 0; len < state->size; len++)
if (next[len] == 0) break;
# else
len = vsprintf((char *)(state->in), format, va);
va_end(va);
len = vsprintf(next, format, va);
# endif
#else
# ifdef HAS_vsnprintf_void
(void)vsnprintf((char *)(state->in), size, format, va);
va_end(va);
len = strlen((char *)(state->in));
(void)vsnprintf(next, state->size, format, va);
len = strlen(next);
# else
len = vsnprintf((char *)(state->in), size, format, va);
va_end(va);
len = vsnprintf(next, state->size, format, va);
# endif
#endif
/* check that printf() results fit in buffer */
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
if (len == 0 || (unsigned)len >= state->size || next[state->size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
strm->next_in = state->in;
/* update buffer and position, compress first half if past that */
strm->avail_in += (unsigned)len;
state->x.pos += len;
if (strm->avail_in >= state->size) {
left = strm->avail_in - state->size;
strm->avail_in = state->size;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return state->err;
memmove(state->in, state->in + state->size, left);
strm->next_in = state->in;
strm->avail_in = left;
}
return len;
}
int ZEXPORTVA gzprintf(gzFile file, const char *format, ...)
{
va_list va;
int ret;
va_start(va, format);
ret = gzvprintf(file, format, va);
va_end(va);
return ret;
}
#else /* !STDC && !Z_HAVE_STDARG_H */
/* -- see zlib.h -- */
@ -378,73 +481,82 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
{
int size, len;
unsigned len, left;
char *next;
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return -1;
return Z_STREAM_ERROR;
state = (gz_statep)file;
strm = &(state->strm);
/* check that can really pass pointer in ints */
if (sizeof(int) != sizeof(void *))
return 0;
return Z_STREAM_ERROR;
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
return Z_STREAM_ERROR;
/* make sure we have some buffer space */
if (state->size == 0 && gz_init(state) == -1)
return 0;
return state->error;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return 0;
return state->error;
}
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* do the printf() into the input buffer, put length in len */
size = (int)(state->size);
state->in[size - 1] = 0;
/* do the printf() into the input buffer, put length in len -- the input
buffer is double-sized just for this function, so there is guaranteed to
be state->size bytes available after the current contents */
if (strm->avail_in == 0)
strm->next_in = state->in;
next = (char *)(strm->next_in + strm->avail_in);
next[state->size - 1] = 0;
#ifdef NO_snprintf
# ifdef HAS_sprintf_void
sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12,
a13, a14, a15, a16, a17, a18, a19, a20);
for (len = 0; len < size; len++)
if (state->in[len] == 0) break;
if (next[len] == 0)
break;
# else
len = sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
len = sprintf(next, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11,
a12, a13, a14, a15, a16, a17, a18, a19, a20);
# endif
#else
# ifdef HAS_snprintf_void
snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
len = strlen((char *)(state->in));
snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8, a9,
a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
len = strlen(next);
# else
len = snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6,
a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18,
a19, a20);
len = snprintf(next, state->size, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
# endif
#endif
/* check that printf() results fit in buffer */
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
if (len == 0 || len >= state->size || next[state->size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
strm->next_in = state->in;
/* update buffer and position, compress first half if past that */
strm->avail_in += len;
state->x.pos += len;
return len;
if (strm->avail_in >= state->size) {
left = strm->avail_in - state->size;
strm->avail_in = state->size;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return state->err;
memmove(state->in, state->in + state->size, left);
strm->next_in = state->in;
strm->avail_in = left;
}
return (int)len;
}
#endif
@ -458,7 +570,7 @@ int ZEXPORT gzflush(file, flush)
/* get internal structure */
if (file == NULL)
return -1;
return Z_STREAM_ERROR;
state = (gz_statep)file;
/* check that we're writing and that there's no error */
@ -473,11 +585,11 @@ int ZEXPORT gzflush(file, flush)
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return -1;
return state->err;
}
/* compress remaining data with requested flush */
gz_comp(state, flush);
(void)gz_comp(state, flush);
return state->err;
}
@ -508,13 +620,13 @@ int ZEXPORT gzsetparams(file, level, strategy)
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return -1;
return state->err;
}
/* change compression parameters for subsequent input */
if (state->size) {
/* flush previous input with previous parameters before changing */
if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1)
if (strm->avail_in && gz_comp(state, Z_BLOCK) == -1)
return state->err;
deflateParams(strm, level, strategy);
}
@ -547,9 +659,9 @@ int ZEXPORT gzclose_w(file)
}
/* flush, free memory, and close file */
if (gz_comp(state, Z_FINISH) == -1)
ret = state->err;
if (state->size) {
if (gz_comp(state, Z_FINISH) == -1)
ret = state->err;
if (!state->direct) {
(void)deflateEnd(&(state->strm));
free(state->out);

7
deps/zlib/infback.c vendored
View File

@ -1,5 +1,5 @@
/* infback.c -- inflate using a call-back interface
* Copyright (C) 1995-2011 Mark Adler
* Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -61,7 +61,7 @@ int stream_size;
Tracev((stderr, "inflate: allocated\n"));
strm->state = (struct internal_state FAR *)state;
state->dmax = 32768U;
state->wbits = windowBits;
state->wbits = (uInt)windowBits;
state->wsize = 1U << windowBits;
state->window = window;
state->wnext = 0;
@ -255,7 +255,7 @@ out_func out;
void FAR *out_desc;
{
struct inflate_state FAR *state;
unsigned char FAR *next; /* next input */
z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
unsigned have, left; /* available input and output */
unsigned long hold; /* bit buffer */
@ -477,6 +477,7 @@ void FAR *out_desc;
}
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN;
/* fallthrough */
case LEN:
/* use inflate_fast() if we have enough input and output */

115
deps/zlib/inffast.c vendored
View File

@ -1,5 +1,5 @@
/* inffast.c -- fast decoding
* Copyright (C) 1995-2008, 2010 Mark Adler
* Copyright (C) 1995-2017 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -8,26 +8,9 @@
#include "inflate.h"
#include "inffast.h"
#ifndef ASMINF
/* Allow machine dependent optimization for post-increment or pre-increment.
Based on testing to date,
Pre-increment preferred for:
- PowerPC G3 (Adler)
- MIPS R5000 (Randers-Pehrson)
Post-increment preferred for:
- none
No measurable difference:
- Pentium III (Anderson)
- M68060 (Nikl)
*/
#ifdef POSTINC
# define OFF 0
# define PUP(a) *(a)++
#ifdef ASMINF
# pragma message("Assembler code may have bugs -- use at your own risk")
#else
# define OFF 1
# define PUP(a) *++(a)
#endif
/*
Decode literal, length, and distance codes and write out the resulting
@ -69,8 +52,8 @@ z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state;
unsigned char FAR *in; /* local strm->next_in */
unsigned char FAR *last; /* while in < last, enough input available */
z_const unsigned char FAR *in; /* local strm->next_in */
z_const unsigned char FAR *last; /* have enough input while in < last */
unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */
@ -87,7 +70,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
code here; /* retrieved table entry */
code const *here; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */
@ -96,9 +79,9 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
/* copy state to local variables */
state = (struct inflate_state FAR *)strm->state;
in = strm->next_in - OFF;
in = strm->next_in;
last = in + (strm->avail_in - 5);
out = strm->next_out - OFF;
out = strm->next_out;
beg = out - (start - strm->avail_out);
end = out + (strm->avail_out - 257);
#ifdef INFLATE_STRICT
@ -119,29 +102,29 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
input data or output space */
do {
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = lcode[hold & lmask];
here = lcode + (hold & lmask);
dolen:
op = (unsigned)(here.bits);
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
op = (unsigned)(here->op);
if (op == 0) { /* literal */
Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here.val));
PUP(out) = (unsigned char)(here.val);
"inflate: literal 0x%02x\n", here->val));
*out++ = (unsigned char)(here->val);
}
else if (op & 16) { /* length base */
len = (unsigned)(here.val);
len = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
len += (unsigned)hold & ((1U << op) - 1);
@ -150,25 +133,25 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
}
Tracevv((stderr, "inflate: length %u\n", len));
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
here = dcode[hold & dmask];
here = dcode + (hold & dmask);
dodist:
op = (unsigned)(here.bits);
op = (unsigned)(here->bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
op = (unsigned)(here->op);
if (op & 16) { /* distance base */
dist = (unsigned)(here.val);
dist = (unsigned)(here->val);
op &= 15; /* number of extra bits */
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
hold += (unsigned long)(*in++) << bits;
bits += 8;
}
}
@ -196,30 +179,30 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
if (len <= op - whave) {
do {
PUP(out) = 0;
*out++ = 0;
} while (--len);
continue;
}
len -= op - whave;
do {
PUP(out) = 0;
*out++ = 0;
} while (--op > whave);
if (op == 0) {
from = out - dist;
do {
PUP(out) = PUP(from);
*out++ = *from++;
} while (--len);
continue;
}
#endif
}
from = window - OFF;
from = window;
if (wnext == 0) { /* very common case */
from += wsize - op;
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
@ -230,14 +213,14 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
if (op < len) { /* some from end of window */
len -= op;
do {
PUP(out) = PUP(from);
*out++ = *from++;
} while (--op);
from = window - OFF;
from = window;
if (wnext < len) { /* some from start of window */
op = wnext;
len -= op;
do {
PUP(out) = PUP(from);
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
@ -248,40 +231,40 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
*out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
}
while (len > 2) {
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
*out++ = *from++;
*out++ = *from++;
*out++ = *from++;
len -= 3;
}
if (len) {
PUP(out) = PUP(from);
*out++ = *from++;
if (len > 1)
PUP(out) = PUP(from);
*out++ = *from++;
}
}
else {
from = out - dist; /* copy direct from output */
do { /* minimum length is three */
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
*out++ = *from++;
*out++ = *from++;
*out++ = *from++;
len -= 3;
} while (len > 2);
if (len) {
PUP(out) = PUP(from);
*out++ = *from++;
if (len > 1)
PUP(out) = PUP(from);
*out++ = *from++;
}
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
here = dcode[here.val + (hold & ((1U << op) - 1))];
here = dcode + here->val + (hold & ((1U << op) - 1));
goto dodist;
}
else {
@ -291,7 +274,7 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
}
}
else if ((op & 64) == 0) { /* 2nd level length code */
here = lcode[here.val + (hold & ((1U << op) - 1))];
here = lcode + here->val + (hold & ((1U << op) - 1));
goto dolen;
}
else if (op & 32) { /* end-of-block */
@ -313,8 +296,8 @@ unsigned start; /* inflate()'s starting value for strm->avail_out */
hold &= (1U << bits) - 1;
/* update state and return */
strm->next_in = in + OFF;
strm->next_out = out + OFF;
strm->next_in = in;
strm->next_out = out;
strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
strm->avail_out = (unsigned)(out < end ?
257 + (end - out) : 257 - (out - end));

228
deps/zlib/inflate.c vendored
View File

@ -1,5 +1,5 @@
/* inflate.c -- zlib decompression
* Copyright (C) 1995-2012 Mark Adler
* Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -92,20 +92,36 @@
#endif
/* function prototypes */
local int inflateStateCheck OF((z_streamp strm));
local void fixedtables OF((struct inflate_state FAR *state));
local int updatewindow OF((z_streamp strm, unsigned out));
local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
unsigned copy));
#ifdef BUILDFIXED
void makefixed OF((void));
#endif
local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
unsigned len));
local int inflateStateCheck(strm)
z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL ||
strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0)
return 1;
state = (struct inflate_state FAR *)strm->state;
if (state == Z_NULL || state->strm != strm ||
state->mode < HEAD || state->mode > SYNC)
return 1;
return 0;
}
int ZEXPORT inflateResetKeep(strm)
z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
strm->total_in = strm->total_out = state->total = 0;
strm->msg = Z_NULL;
@ -114,6 +130,7 @@ z_streamp strm;
state->mode = HEAD;
state->last = 0;
state->havedict = 0;
state->flags = -1;
state->dmax = 32768U;
state->head = Z_NULL;
state->hold = 0;
@ -130,7 +147,7 @@ z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
state->wsize = 0;
state->whave = 0;
@ -146,7 +163,7 @@ int windowBits;
struct inflate_state FAR *state;
/* get the state */
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
/* extract wrap request from windowBits parameter */
@ -155,7 +172,7 @@ int windowBits;
windowBits = -windowBits;
}
else {
wrap = (windowBits >> 4) + 1;
wrap = (windowBits >> 4) + 5;
#ifdef GUNZIP
if (windowBits < 48)
windowBits &= 15;
@ -209,7 +226,9 @@ int stream_size;
if (state == Z_NULL) return Z_MEM_ERROR;
Tracev((stderr, "inflate: allocated\n"));
strm->state = (struct internal_state FAR *)state;
state->strm = strm;
state->window = Z_NULL;
state->mode = HEAD; /* to pass state test in inflateReset2() */
ret = inflateReset2(strm, windowBits);
if (ret != Z_OK) {
ZFREE(strm, state);
@ -233,17 +252,17 @@ int value;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if (bits < 0) {
state->hold = 0;
state->bits = 0;
return Z_OK;
}
if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR;
if (bits > 16 || state->bits + (uInt)bits > 32) return Z_STREAM_ERROR;
value &= (1L << bits) - 1;
state->hold += value << state->bits;
state->bits += bits;
state->hold += (unsigned)value << state->bits;
state->bits += (uInt)bits;
return Z_OK;
}
@ -375,12 +394,13 @@ void makefixed()
output will fall in the output data, making match copies simpler and faster.
The advantage may be dependent on the size of the processor's data caches.
*/
local int updatewindow(strm, out)
local int updatewindow(strm, end, copy)
z_streamp strm;
unsigned out;
const Bytef *end;
unsigned copy;
{
struct inflate_state FAR *state;
unsigned copy, dist;
unsigned dist;
state = (struct inflate_state FAR *)strm->state;
@ -400,19 +420,18 @@ unsigned out;
}
/* copy state->wsize or less output bytes into the circular window */
copy = out - strm->avail_out;
if (copy >= state->wsize) {
zmemcpy(state->window, strm->next_out - state->wsize, state->wsize);
zmemcpy(state->window, end - state->wsize, state->wsize);
state->wnext = 0;
state->whave = state->wsize;
}
else {
dist = state->wsize - state->wnext;
if (dist > copy) dist = copy;
zmemcpy(state->window + state->wnext, strm->next_out - copy, dist);
zmemcpy(state->window + state->wnext, end - copy, dist);
copy -= dist;
if (copy) {
zmemcpy(state->window, strm->next_out - copy, copy);
zmemcpy(state->window, end - copy, copy);
state->wnext = copy;
state->whave = state->wsize;
}
@ -429,10 +448,10 @@ unsigned out;
/* check function to use adler32() for zlib or crc32() for gzip */
#ifdef GUNZIP
# define UPDATE(check, buf, len) \
# define UPDATE_CHECK(check, buf, len) \
(state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
#else
# define UPDATE(check, buf, len) adler32(check, buf, len)
# define UPDATE_CHECK(check, buf, len) adler32(check, buf, len)
#endif
/* check macros for header crc */
@ -606,7 +625,7 @@ z_streamp strm;
int flush;
{
struct inflate_state FAR *state;
unsigned char FAR *next; /* next input */
z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
unsigned have, left; /* available input and output */
unsigned long hold; /* bit buffer */
@ -624,7 +643,7 @@ int flush;
static const unsigned short order[19] = /* permutation of code lengths */
{16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL ||
if (inflateStateCheck(strm) || strm->next_out == Z_NULL ||
(strm->next_in == Z_NULL && strm->avail_in != 0))
return Z_STREAM_ERROR;
@ -644,13 +663,14 @@ int flush;
NEEDBITS(16);
#ifdef GUNZIP
if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */
if (state->wbits == 0)
state->wbits = 15;
state->check = crc32(0L, Z_NULL, 0);
CRC2(state->check, hold);
INITBITS();
state->mode = FLAGS;
break;
}
state->flags = 0; /* expect zlib header */
if (state->head != Z_NULL)
state->head->done = -1;
if (!(state->wrap & 1) || /* check if zlib header allowed */
@ -671,12 +691,13 @@ int flush;
len = BITS(4) + 8;
if (state->wbits == 0)
state->wbits = len;
else if (len > state->wbits) {
if (len > 15 || len > state->wbits) {
strm->msg = (char *)"invalid window size";
state->mode = BAD;
break;
}
state->dmax = 1U << len;
state->flags = 0; /* indicate zlib header */
Tracev((stderr, "inflate: zlib header ok\n"));
strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = hold & 0x200 ? DICTID : TYPE;
@ -698,37 +719,45 @@ int flush;
}
if (state->head != Z_NULL)
state->head->text = (int)((hold >> 8) & 1);
if (state->flags & 0x0200) CRC2(state->check, hold);
if ((state->flags & 0x0200) && (state->wrap & 4))
CRC2(state->check, hold);
INITBITS();
state->mode = TIME;
/* fallthrough */
case TIME:
NEEDBITS(32);
if (state->head != Z_NULL)
state->head->time = hold;
if (state->flags & 0x0200) CRC4(state->check, hold);
if ((state->flags & 0x0200) && (state->wrap & 4))
CRC4(state->check, hold);
INITBITS();
state->mode = OS;
/* fallthrough */
case OS:
NEEDBITS(16);
if (state->head != Z_NULL) {
state->head->xflags = (int)(hold & 0xff);
state->head->os = (int)(hold >> 8);
}
if (state->flags & 0x0200) CRC2(state->check, hold);
if ((state->flags & 0x0200) && (state->wrap & 4))
CRC2(state->check, hold);
INITBITS();
state->mode = EXLEN;
/* fallthrough */
case EXLEN:
if (state->flags & 0x0400) {
NEEDBITS(16);
state->length = (unsigned)(hold);
if (state->head != Z_NULL)
state->head->extra_len = (unsigned)hold;
if (state->flags & 0x0200) CRC2(state->check, hold);
if ((state->flags & 0x0200) && (state->wrap & 4))
CRC2(state->check, hold);
INITBITS();
}
else if (state->head != Z_NULL)
state->head->extra = Z_NULL;
state->mode = EXTRA;
/* fallthrough */
case EXTRA:
if (state->flags & 0x0400) {
copy = state->length;
@ -741,7 +770,7 @@ int flush;
len + copy > state->head->extra_max ?
state->head->extra_max - len : copy);
}
if (state->flags & 0x0200)
if ((state->flags & 0x0200) && (state->wrap & 4))
state->check = crc32(state->check, next, copy);
have -= copy;
next += copy;
@ -751,6 +780,7 @@ int flush;
}
state->length = 0;
state->mode = NAME;
/* fallthrough */
case NAME:
if (state->flags & 0x0800) {
if (have == 0) goto inf_leave;
@ -760,9 +790,9 @@ int flush;
if (state->head != Z_NULL &&
state->head->name != Z_NULL &&
state->length < state->head->name_max)
state->head->name[state->length++] = len;
state->head->name[state->length++] = (Bytef)len;
} while (len && copy < have);
if (state->flags & 0x0200)
if ((state->flags & 0x0200) && (state->wrap & 4))
state->check = crc32(state->check, next, copy);
have -= copy;
next += copy;
@ -772,6 +802,7 @@ int flush;
state->head->name = Z_NULL;
state->length = 0;
state->mode = COMMENT;
/* fallthrough */
case COMMENT:
if (state->flags & 0x1000) {
if (have == 0) goto inf_leave;
@ -781,9 +812,9 @@ int flush;
if (state->head != Z_NULL &&
state->head->comment != Z_NULL &&
state->length < state->head->comm_max)
state->head->comment[state->length++] = len;
state->head->comment[state->length++] = (Bytef)len;
} while (len && copy < have);
if (state->flags & 0x0200)
if ((state->flags & 0x0200) && (state->wrap & 4))
state->check = crc32(state->check, next, copy);
have -= copy;
next += copy;
@ -792,10 +823,11 @@ int flush;
else if (state->head != Z_NULL)
state->head->comment = Z_NULL;
state->mode = HCRC;
/* fallthrough */
case HCRC:
if (state->flags & 0x0200) {
NEEDBITS(16);
if (hold != (state->check & 0xffff)) {
if ((state->wrap & 4) && hold != (state->check & 0xffff)) {
strm->msg = (char *)"header crc mismatch";
state->mode = BAD;
break;
@ -815,6 +847,7 @@ int flush;
strm->adler = state->check = ZSWAP32(hold);
INITBITS();
state->mode = DICT;
/* fallthrough */
case DICT:
if (state->havedict == 0) {
RESTORE();
@ -822,8 +855,10 @@ int flush;
}
strm->adler = state->check = adler32(0L, Z_NULL, 0);
state->mode = TYPE;
/* fallthrough */
case TYPE:
if (flush == Z_BLOCK || flush == Z_TREES) goto inf_leave;
/* fallthrough */
case TYPEDO:
if (state->last) {
BYTEBITS();
@ -874,8 +909,10 @@ int flush;
INITBITS();
state->mode = COPY_;
if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case COPY_:
state->mode = COPY;
/* fallthrough */
case COPY:
copy = state->length;
if (copy) {
@ -911,6 +948,7 @@ int flush;
Tracev((stderr, "inflate: table sizes ok\n"));
state->have = 0;
state->mode = LENLENS;
/* fallthrough */
case LENLENS:
while (state->have < state->ncode) {
NEEDBITS(3);
@ -920,7 +958,7 @@ int flush;
while (state->have < 19)
state->lens[order[state->have++]] = 0;
state->next = state->codes;
state->lencode = (code const FAR *)(state->next);
state->lencode = (const code FAR *)(state->next);
state->lenbits = 7;
ret = inflate_table(CODES, state->lens, 19, &(state->next),
&(state->lenbits), state->work);
@ -932,6 +970,7 @@ int flush;
Tracev((stderr, "inflate: code lengths ok\n"));
state->have = 0;
state->mode = CODELENS;
/* fallthrough */
case CODELENS:
while (state->have < state->nlen + state->ndist) {
for (;;) {
@ -994,7 +1033,7 @@ int flush;
values here (9 and 6) without reading the comments in inftrees.h
concerning the ENOUGH constants, which depend on those values */
state->next = state->codes;
state->lencode = (code const FAR *)(state->next);
state->lencode = (const code FAR *)(state->next);
state->lenbits = 9;
ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
&(state->lenbits), state->work);
@ -1003,7 +1042,7 @@ int flush;
state->mode = BAD;
break;
}
state->distcode = (code const FAR *)(state->next);
state->distcode = (const code FAR *)(state->next);
state->distbits = 6;
ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
&(state->next), &(state->distbits), state->work);
@ -1015,8 +1054,10 @@ int flush;
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN_;
if (flush == Z_TREES) goto inf_leave;
/* fallthrough */
case LEN_:
state->mode = LEN;
/* fallthrough */
case LEN:
if (have >= 6 && left >= 258) {
RESTORE();
@ -1066,6 +1107,7 @@ int flush;
}
state->extra = (unsigned)(here.op) & 15;
state->mode = LENEXT;
/* fallthrough */
case LENEXT:
if (state->extra) {
NEEDBITS(state->extra);
@ -1076,6 +1118,7 @@ int flush;
Tracevv((stderr, "inflate: length %u\n", state->length));
state->was = state->length;
state->mode = DIST;
/* fallthrough */
case DIST:
for (;;) {
here = state->distcode[BITS(state->distbits)];
@ -1103,6 +1146,7 @@ int flush;
state->offset = (unsigned)here.val;
state->extra = (unsigned)(here.op) & 15;
state->mode = DISTEXT;
/* fallthrough */
case DISTEXT:
if (state->extra) {
NEEDBITS(state->extra);
@ -1119,6 +1163,7 @@ int flush;
#endif
Tracevv((stderr, "inflate: distance %u\n", state->offset));
state->mode = MATCH;
/* fallthrough */
case MATCH:
if (left == 0) goto inf_leave;
copy = out - left;
@ -1176,11 +1221,11 @@ int flush;
out -= left;
strm->total_out += out;
state->total += out;
if (out)
if ((state->wrap & 4) && out)
strm->adler = state->check =
UPDATE(state->check, put - out, out);
UPDATE_CHECK(state->check, put - out, out);
out = left;
if ((
if ((state->wrap & 4) && (
#ifdef GUNZIP
state->flags ? hold :
#endif
@ -1194,10 +1239,11 @@ int flush;
}
#ifdef GUNZIP
state->mode = LENGTH;
/* fallthrough */
case LENGTH:
if (state->wrap && state->flags) {
NEEDBITS(32);
if (hold != (state->total & 0xffffffffUL)) {
if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) {
strm->msg = (char *)"incorrect length check";
state->mode = BAD;
break;
@ -1207,6 +1253,7 @@ int flush;
}
#endif
state->mode = DONE;
/* fallthrough */
case DONE:
ret = Z_STREAM_END;
goto inf_leave;
@ -1216,6 +1263,7 @@ int flush;
case MEM:
return Z_MEM_ERROR;
case SYNC:
/* fallthrough */
default:
return Z_STREAM_ERROR;
}
@ -1230,7 +1278,7 @@ int flush;
RESTORE();
if (state->wsize || (out != strm->avail_out && state->mode < BAD &&
(state->mode < CHECK || flush != Z_FINISH)))
if (updatewindow(strm, out)) {
if (updatewindow(strm, strm->next_out, out - strm->avail_out)) {
state->mode = MEM;
return Z_MEM_ERROR;
}
@ -1239,10 +1287,10 @@ int flush;
strm->total_in += in;
strm->total_out += out;
state->total += out;
if (state->wrap && out)
if ((state->wrap & 4) && out)
strm->adler = state->check =
UPDATE(state->check, strm->next_out - out, out);
strm->data_type = state->bits + (state->last ? 64 : 0) +
UPDATE_CHECK(state->check, strm->next_out - out, out);
strm->data_type = (int)state->bits + (state->last ? 64 : 0) +
(state->mode == TYPE ? 128 : 0) +
(state->mode == LEN_ || state->mode == COPY_ ? 256 : 0);
if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK)
@ -1254,7 +1302,7 @@ int ZEXPORT inflateEnd(strm)
z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
if (inflateStateCheck(strm))
return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if (state->window != Z_NULL) ZFREE(strm, state->window);
@ -1264,6 +1312,29 @@ z_streamp strm;
return Z_OK;
}
int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength)
z_streamp strm;
Bytef *dictionary;
uInt *dictLength;
{
struct inflate_state FAR *state;
/* check state */
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
/* copy dictionary */
if (state->whave && dictionary != Z_NULL) {
zmemcpy(dictionary, state->window + state->wnext,
state->whave - state->wnext);
zmemcpy(dictionary + state->whave - state->wnext,
state->window, state->wnext);
}
if (dictLength != Z_NULL)
*dictLength = state->whave;
return Z_OK;
}
int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
z_streamp strm;
const Bytef *dictionary;
@ -1271,12 +1342,10 @@ uInt dictLength;
{
struct inflate_state FAR *state;
unsigned long dictid;
unsigned char *next;
unsigned avail;
int ret;
/* check state */
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if (state->wrap != 0 && state->mode != DICT)
return Z_STREAM_ERROR;
@ -1291,13 +1360,7 @@ uInt dictLength;
/* copy dictionary to window using updatewindow(), which will amend the
existing dictionary if appropriate */
next = strm->next_out;
avail = strm->avail_out;
strm->next_out = (Bytef *)dictionary + dictLength;
strm->avail_out = 0;
ret = updatewindow(strm, dictLength);
strm->avail_out = avail;
strm->next_out = next;
ret = updatewindow(strm, dictionary + dictLength, dictLength);
if (ret) {
state->mode = MEM;
return Z_MEM_ERROR;
@ -1314,7 +1377,7 @@ gz_headerp head;
struct inflate_state FAR *state;
/* check state */
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if ((state->wrap & 2) == 0) return Z_STREAM_ERROR;
@ -1337,7 +1400,7 @@ gz_headerp head;
*/
local unsigned syncsearch(have, buf, len)
unsigned FAR *have;
unsigned char FAR *buf;
const unsigned char FAR *buf;
unsigned len;
{
unsigned got;
@ -1362,12 +1425,13 @@ int ZEXPORT inflateSync(strm)
z_streamp strm;
{
unsigned len; /* number of bytes to look at or looked at */
int flags; /* temporary to save header status */
unsigned long in, out; /* temporary to save total_in and total_out */
unsigned char buf[4]; /* to restore bit buffer to byte string */
struct inflate_state FAR *state;
/* check parameters */
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR;
@ -1394,9 +1458,15 @@ z_streamp strm;
/* return no joy or set up to restart inflate() on a new block */
if (state->have != 4) return Z_DATA_ERROR;
if (state->flags == -1)
state->wrap = 0; /* if no header yet, treat as raw */
else
state->wrap &= ~4; /* no point in computing a check value now */
flags = state->flags;
in = strm->total_in; out = strm->total_out;
inflateReset(strm);
strm->total_in = in; strm->total_out = out;
state->flags = flags;
state->mode = TYPE;
return Z_OK;
}
@ -1414,7 +1484,7 @@ z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
return state->mode == STORED && state->bits == 0;
}
@ -1429,8 +1499,7 @@ z_streamp source;
unsigned wsize;
/* check input */
if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL ||
source->zalloc == (alloc_func)0 || source->zfree == (free_func)0)
if (inflateStateCheck(source) || dest == Z_NULL)
return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)source->state;
@ -1451,6 +1520,7 @@ z_streamp source;
/* copy state */
zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream));
zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state));
copy->strm = dest;
if (state->lencode >= state->codes &&
state->lencode <= state->codes + ENOUGH - 1) {
copy->lencode = copy->codes + (state->lencode - state->codes);
@ -1472,25 +1542,51 @@ int subvert;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
state->sane = !subvert;
#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
state->sane = !subvert;
return Z_OK;
#else
(void)subvert;
state->sane = 1;
return Z_DATA_ERROR;
#endif
}
int ZEXPORT inflateValidate(strm, check)
z_streamp strm;
int check;
{
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
if (check && state->wrap)
state->wrap |= 4;
else
state->wrap &= ~4;
return Z_OK;
}
long ZEXPORT inflateMark(strm)
z_streamp strm;
{
struct inflate_state FAR *state;
if (strm == Z_NULL || strm->state == Z_NULL) return -1L << 16;
if (inflateStateCheck(strm))
return -(1L << 16);
state = (struct inflate_state FAR *)strm->state;
return ((long)(state->back) << 16) +
return (long)(((unsigned long)((long)state->back)) << 16) +
(state->mode == COPY ? state->length :
(state->mode == MATCH ? state->was - state->length : 0));
}
unsigned long ZEXPORT inflateCodesUsed(strm)
z_streamp strm;
{
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return (unsigned long)-1;
state = (struct inflate_state FAR *)strm->state;
return (unsigned long)(state->next - state->codes);
}

14
deps/zlib/inflate.h vendored
View File

@ -1,5 +1,5 @@
/* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2009 Mark Adler
* Copyright (C) 1995-2019 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -18,7 +18,7 @@
/* Possible inflate modes between inflate() calls */
typedef enum {
HEAD, /* i: waiting for magic header */
HEAD = 16180, /* i: waiting for magic header */
FLAGS, /* i: waiting for method and flags (gzip) */
TIME, /* i: waiting for modification time (gzip) */
OS, /* i: waiting for extra flags and operating system (gzip) */
@ -77,13 +77,17 @@ typedef enum {
CHECK -> LENGTH -> DONE
*/
/* state maintained between inflate() calls. Approximately 10K bytes. */
/* State maintained between inflate() calls -- approximately 7K bytes, not
including the allocated sliding window, which is up to 32K bytes. */
struct inflate_state {
z_streamp strm; /* pointer back to this zlib stream */
inflate_mode mode; /* current inflate mode */
int last; /* true if processing last block */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip,
bit 2 true to validate check value */
int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags (0 if zlib) */
int flags; /* gzip header method and flags, 0 if zlib, or
-1 if raw or no header yet */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */

34
deps/zlib/inftrees.c vendored
View File

@ -1,5 +1,5 @@
/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2012 Mark Adler
* Copyright (C) 1995-2022 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -9,7 +9,7 @@
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.7 Copyright 1995-2012 Mark Adler ";
" inflate 1.2.12 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
@ -54,7 +54,7 @@ unsigned short FAR *work;
code FAR *next; /* next available space in table */
const unsigned short FAR *base; /* base value table to use */
const unsigned short FAR *extra; /* extra bits table to use */
int end; /* use base and extra for symbol > end */
unsigned match; /* use base and extra for symbol >= match */
unsigned short count[MAXBITS+1]; /* number of codes of each length */
unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
static const unsigned short lbase[31] = { /* Length codes 257..285 base */
@ -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, 78, 68};
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 202};
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,
@ -181,19 +181,17 @@ unsigned short FAR *work;
switch (type) {
case CODES:
base = extra = work; /* dummy value--not used */
end = 19;
match = 20;
break;
case LENS:
base = lbase;
base -= 257;
extra = lext;
extra -= 257;
end = 256;
match = 257;
break;
default: /* DISTS */
default: /* DISTS */
base = dbase;
extra = dext;
end = -1;
match = 0;
}
/* initialize state for loop */
@ -208,21 +206,21 @@ unsigned short FAR *work;
mask = used - 1; /* mask for comparing low */
/* check available table space */
if ((type == LENS && used >= ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS))
if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used > ENOUGH_DISTS))
return 1;
/* process all codes and make table entries */
for (;;) {
/* create table entry */
here.bits = (unsigned char)(len - drop);
if ((int)(work[sym]) < end) {
if (work[sym] + 1U < match) {
here.op = (unsigned char)0;
here.val = work[sym];
}
else if ((int)(work[sym]) > end) {
here.op = (unsigned char)(extra[work[sym]]);
here.val = base[work[sym]];
else if (work[sym] >= match) {
here.op = (unsigned char)(extra[work[sym] - match]);
here.val = base[work[sym] - match];
}
else {
here.op = (unsigned char)(32 + 64); /* end of block */
@ -277,8 +275,8 @@ unsigned short FAR *work;
/* check for enough space */
used += 1U << curr;
if ((type == LENS && used >= ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS))
if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used > ENOUGH_DISTS))
return 1;
/* point entry in root table to sub-table */

440
deps/zlib/minigzip.c vendored
View File

@ -1,440 +0,0 @@
/* minigzip.c -- simulate gzip using the zlib compression library
* Copyright (C) 1995-2006, 2010 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/*
* minigzip is a minimal implementation of the gzip utility. This is
* only an example of using zlib and isn't meant to replace the
* full-featured gzip. No attempt is made to deal with file systems
* limiting names to 14 or 8+3 characters, etc... Error checking is
* very limited. So use minigzip only for testing; use gzip for the
* real thing. On MSDOS, use only on file names without extension
* or in pipe mode.
*/
/* @(#) $Id$ */
#include "zlib.h"
#include <stdio.h>
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#endif
#ifdef USE_MMAP
# include <sys/types.h>
# include <sys/mman.h>
# include <sys/stat.h>
#endif
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
# include <fcntl.h>
# include <io.h>
# ifdef UNDER_CE
# include <stdlib.h>
# endif
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
#else
# define SET_BINARY_MODE(file)
#endif
#ifdef VMS
# define unlink delete
# define GZ_SUFFIX "-gz"
#endif
#ifdef RISCOS
# define unlink remove
# define GZ_SUFFIX "-gz"
# define fileno(file) file->__file
#endif
#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fileno */
#endif
#if !defined(Z_HAVE_UNISTD_H) && !defined(_LARGEFILE64_SOURCE)
#ifndef WIN32 /* unlink already in stdio.h for WIN32 */
extern int unlink OF((const char *));
#endif
#endif
#if defined(UNDER_CE)
# include <windows.h>
# define perror(s) pwinerror(s)
/* Map the Windows error number in ERROR to a locale-dependent error
message string and return a pointer to it. Typically, the values
for ERROR come from GetLastError.
The string pointed to shall not be modified by the application,
but may be overwritten by a subsequent call to strwinerror
The strwinerror function does not change the current setting
of GetLastError. */
static char *strwinerror (error)
DWORD error;
{
static char buf[1024];
wchar_t *msgbuf;
DWORD lasterr = GetLastError();
DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL,
error,
0, /* Default language */
(LPVOID)&msgbuf,
0,
NULL);
if (chars != 0) {
/* If there is an \r\n appended, zap it. */
if (chars >= 2
&& msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') {
chars -= 2;
msgbuf[chars] = 0;
}
if (chars > sizeof (buf) - 1) {
chars = sizeof (buf) - 1;
msgbuf[chars] = 0;
}
wcstombs(buf, msgbuf, chars + 1);
LocalFree(msgbuf);
}
else {
sprintf(buf, "unknown win32 error (%ld)", error);
}
SetLastError(lasterr);
return buf;
}
static void pwinerror (s)
const char *s;
{
if (s && *s)
fprintf(stderr, "%s: %s\n", s, strwinerror(GetLastError ()));
else
fprintf(stderr, "%s\n", strwinerror(GetLastError ()));
}
#endif /* UNDER_CE */
#ifndef GZ_SUFFIX
# define GZ_SUFFIX ".gz"
#endif
#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)
#define BUFLEN 16384
#define MAX_NAME_LEN 1024
#ifdef MAXSEG_64K
# define local static
/* Needed for systems with limitation on stack size. */
#else
# define local
#endif
char *prog;
void error OF((const char *msg));
void gz_compress OF((FILE *in, gzFile out));
#ifdef USE_MMAP
int gz_compress_mmap OF((FILE *in, gzFile out));
#endif
void gz_uncompress OF((gzFile in, FILE *out));
void file_compress OF((char *file, char *mode));
void file_uncompress OF((char *file));
int main OF((int argc, char *argv[]));
/* ===========================================================================
* Display error message and exit
*/
void error(msg)
const char *msg;
{
fprintf(stderr, "%s: %s\n", prog, msg);
exit(1);
}
/* ===========================================================================
* Compress input to output then close both files.
*/
void gz_compress(in, out)
FILE *in;
gzFile out;
{
local char buf[BUFLEN];
int len;
int err;
#ifdef USE_MMAP
/* Try first compressing with mmap. If mmap fails (minigzip used in a
* pipe), use the normal fread loop.
*/
if (gz_compress_mmap(in, out) == Z_OK) return;
#endif
for (;;) {
len = (int)fread(buf, 1, sizeof(buf), in);
if (ferror(in)) {
perror("fread");
exit(1);
}
if (len == 0) break;
if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err));
}
fclose(in);
if (gzclose(out) != Z_OK) error("failed gzclose");
}
#ifdef USE_MMAP /* MMAP version, Miguel Albrecht <malbrech@eso.org> */
/* Try compressing the input file at once using mmap. Return Z_OK if
* if success, Z_ERRNO otherwise.
*/
int gz_compress_mmap(in, out)
FILE *in;
gzFile out;
{
int len;
int err;
int ifd = fileno(in);
caddr_t buf; /* mmap'ed buffer for the entire input file */
off_t buf_len; /* length of the input file */
struct stat sb;
/* Determine the size of the file, needed for mmap: */
if (fstat(ifd, &sb) < 0) return Z_ERRNO;
buf_len = sb.st_size;
if (buf_len <= 0) return Z_ERRNO;
/* Now do the actual mmap: */
buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0);
if (buf == (caddr_t)(-1)) return Z_ERRNO;
/* Compress the whole file at once: */
len = gzwrite(out, (char *)buf, (unsigned)buf_len);
if (len != (int)buf_len) error(gzerror(out, &err));
munmap(buf, buf_len);
fclose(in);
if (gzclose(out) != Z_OK) error("failed gzclose");
return Z_OK;
}
#endif /* USE_MMAP */
/* ===========================================================================
* Uncompress input to output then close both files.
*/
void gz_uncompress(in, out)
gzFile in;
FILE *out;
{
local char buf[BUFLEN];
int len;
int err;
for (;;) {
len = gzread(in, buf, sizeof(buf));
if (len < 0) error (gzerror(in, &err));
if (len == 0) break;
if ((int)fwrite(buf, 1, (unsigned)len, out) != len) {
error("failed fwrite");
}
}
if (fclose(out)) error("failed fclose");
if (gzclose(in) != Z_OK) error("failed gzclose");
}
/* ===========================================================================
* Compress the given file: create a corresponding .gz file and remove the
* original.
*/
void file_compress(file, mode)
char *file;
char *mode;
{
local char outfile[MAX_NAME_LEN];
FILE *in;
gzFile out;
if (strlen(file) + strlen(GZ_SUFFIX) >= sizeof(outfile)) {
fprintf(stderr, "%s: filename too long\n", prog);
exit(1);
}
strcpy(outfile, file);
strcat(outfile, GZ_SUFFIX);
in = fopen(file, "rb");
if (in == NULL) {
perror(file);
exit(1);
}
out = gzopen(outfile, mode);
if (out == NULL) {
fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile);
exit(1);
}
gz_compress(in, out);
unlink(file);
}
/* ===========================================================================
* Uncompress the given file and remove the original.
*/
void file_uncompress(file)
char *file;
{
local char buf[MAX_NAME_LEN];
char *infile, *outfile;
FILE *out;
gzFile in;
size_t len = strlen(file);
if (len + strlen(GZ_SUFFIX) >= sizeof(buf)) {
fprintf(stderr, "%s: filename too long\n", prog);
exit(1);
}
strcpy(buf, file);
if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) {
infile = file;
outfile = buf;
outfile[len-3] = '\0';
} else {
outfile = file;
infile = buf;
strcat(infile, GZ_SUFFIX);
}
in = gzopen(infile, "rb");
if (in == NULL) {
fprintf(stderr, "%s: can't gzopen %s\n", prog, infile);
exit(1);
}
out = fopen(outfile, "wb");
if (out == NULL) {
perror(file);
exit(1);
}
gz_uncompress(in, out);
unlink(infile);
}
/* ===========================================================================
* Usage: minigzip [-c] [-d] [-f] [-h] [-r] [-1 to -9] [files...]
* -c : write to standard output
* -d : decompress
* -f : compress with Z_FILTERED
* -h : compress with Z_HUFFMAN_ONLY
* -r : compress with Z_RLE
* -1 to -9 : compression level
*/
int main(argc, argv)
int argc;
char *argv[];
{
int copyout = 0;
int uncompr = 0;
gzFile file;
char *bname, outmode[20];
strcpy(outmode, "wb6 ");
prog = argv[0];
bname = strrchr(argv[0], '/');
if (bname)
bname++;
else
bname = argv[0];
argc--, argv++;
if (!strcmp(bname, "gunzip"))
uncompr = 1;
else if (!strcmp(bname, "zcat"))
copyout = uncompr = 1;
while (argc > 0) {
if (strcmp(*argv, "-c") == 0)
copyout = 1;
else if (strcmp(*argv, "-d") == 0)
uncompr = 1;
else if (strcmp(*argv, "-f") == 0)
outmode[3] = 'f';
else if (strcmp(*argv, "-h") == 0)
outmode[3] = 'h';
else if (strcmp(*argv, "-r") == 0)
outmode[3] = 'R';
else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' &&
(*argv)[2] == 0)
outmode[2] = (*argv)[1];
else
break;
argc--, argv++;
}
if (outmode[3] == ' ')
outmode[3] = 0;
if (argc == 0) {
SET_BINARY_MODE(stdin);
SET_BINARY_MODE(stdout);
if (uncompr) {
file = gzdopen(fileno(stdin), "rb");
if (file == NULL) error("can't gzdopen stdin");
gz_uncompress(file, stdout);
} else {
file = gzdopen(fileno(stdout), outmode);
if (file == NULL) error("can't gzdopen stdout");
gz_compress(stdin, file);
}
} else {
if (copyout) {
SET_BINARY_MODE(stdout);
}
do {
if (uncompr) {
if (copyout) {
file = gzopen(*argv, "rb");
if (file == NULL)
fprintf(stderr, "%s: can't gzopen %s\n", prog, *argv);
else
gz_uncompress(file, stdout);
} else {
file_uncompress(*argv);
}
} else {
if (copyout) {
FILE * in = fopen(*argv, "rb");
if (in == NULL) {
perror(*argv);
} else {
file = gzdopen(fileno(stdout), outmode);
if (file == NULL) error("can't gzdopen stdout");
gz_compress(in, file);
}
} else {
file_compress(*argv, outmode);
}
}
} while (argv++, --argc);
}
return 0;
}

184
deps/zlib/trees.c vendored
View File

@ -1,5 +1,5 @@
/* trees.c -- output deflated data using Huffman coding
* Copyright (C) 1995-2012 Jean-loup Gailly
* Copyright (C) 1995-2021 Jean-loup Gailly
* detect_data_type() function provided freely by Cosmin Truta, 2006
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -36,7 +36,7 @@
#include "deflate.h"
#ifdef DEBUG
#ifdef ZLIB_DEBUG
# include <ctype.h>
#endif
@ -122,13 +122,13 @@ struct static_tree_desc_s {
int max_length; /* max bit length for the codes */
};
local static_tree_desc static_l_desc =
local const static_tree_desc static_l_desc =
{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS};
local static_tree_desc static_d_desc =
local const static_tree_desc static_d_desc =
{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS};
local static_tree_desc static_bl_desc =
local const static_tree_desc static_bl_desc =
{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
/* ===========================================================================
@ -146,24 +146,22 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code));
local int build_bl_tree OF((deflate_state *s));
local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes,
int blcodes));
local void compress_block OF((deflate_state *s, ct_data *ltree,
ct_data *dtree));
local void compress_block OF((deflate_state *s, const ct_data *ltree,
const ct_data *dtree));
local int detect_data_type OF((deflate_state *s));
local unsigned bi_reverse OF((unsigned value, int length));
local unsigned bi_reverse OF((unsigned code, int len));
local void bi_windup OF((deflate_state *s));
local void bi_flush OF((deflate_state *s));
local void copy_block OF((deflate_state *s, charf *buf, unsigned len,
int header));
#ifdef GEN_TREES_H
local void gen_trees_header OF((void));
#endif
#ifndef DEBUG
#ifndef ZLIB_DEBUG
# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len)
/* Send a code of the given tree. c and tree must not have side effects */
#else /* DEBUG */
#else /* !ZLIB_DEBUG */
# define send_code(s, c, tree) \
{ if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \
send_bits(s, tree[c].Code, tree[c].Len); }
@ -182,7 +180,7 @@ local void gen_trees_header OF((void));
* Send a value on a given number of bits.
* IN assertion: length <= 16 and value fits in length bits.
*/
#ifdef DEBUG
#ifdef ZLIB_DEBUG
local void send_bits OF((deflate_state *s, int value, int length));
local void send_bits(s, value, length)
@ -208,12 +206,12 @@ local void send_bits(s, value, length)
s->bi_valid += length;
}
}
#else /* !DEBUG */
#else /* !ZLIB_DEBUG */
#define send_bits(s, value, length) \
{ int len = length;\
if (s->bi_valid > (int)Buf_size - len) {\
int val = value;\
int val = (int)value;\
s->bi_buf |= (ush)val << s->bi_valid;\
put_short(s, s->bi_buf);\
s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\
@ -223,7 +221,7 @@ local void send_bits(s, value, length)
s->bi_valid += len;\
}\
}
#endif /* DEBUG */
#endif /* ZLIB_DEBUG */
/* the arguments must not have side effects */
@ -317,7 +315,7 @@ local void tr_static_init()
* Genererate the file trees.h describing the static trees.
*/
#ifdef GEN_TREES_H
# ifndef DEBUG
# ifndef ZLIB_DEBUG
# include <stdio.h>
# endif
@ -394,7 +392,7 @@ void ZLIB_INTERNAL _tr_init(s)
s->bi_buf = 0;
s->bi_valid = 0;
#ifdef DEBUG
#ifdef ZLIB_DEBUG
s->compressed_len = 0L;
s->bits_sent = 0L;
#endif
@ -418,7 +416,7 @@ local void init_block(s)
s->dyn_ltree[END_BLOCK].Freq = 1;
s->opt_len = s->static_len = 0L;
s->last_lit = s->matches = 0;
s->sym_next = s->matches = 0;
}
#define SMALLEST 1
@ -522,12 +520,12 @@ local void gen_bitlen(s, desc)
xbits = 0;
if (n >= base) xbits = extra[n-base];
f = tree[n].Freq;
s->opt_len += (ulg)f * (bits + xbits);
if (stree) s->static_len += (ulg)f * (stree[n].Len + xbits);
s->opt_len += (ulg)f * (unsigned)(bits + xbits);
if (stree) s->static_len += (ulg)f * (unsigned)(stree[n].Len + xbits);
}
if (overflow == 0) return;
Trace((stderr,"\nbit length overflow\n"));
Tracev((stderr,"\nbit length overflow\n"));
/* This happens for example on obj2 and pic of the Calgary corpus */
/* Find the first bit length which could increase: */
@ -554,9 +552,8 @@ local void gen_bitlen(s, desc)
m = s->heap[--h];
if (m > max_code) continue;
if ((unsigned) tree[m].Len != (unsigned) bits) {
Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
s->opt_len += ((long)bits - (long)tree[m].Len)
*(long)tree[m].Freq;
Tracev((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
s->opt_len += ((ulg)bits - tree[m].Len) * tree[m].Freq;
tree[m].Len = (ush)bits;
}
n--;
@ -578,7 +575,7 @@ local void gen_codes (tree, max_code, bl_count)
ushf *bl_count; /* number of codes at each bit length */
{
ush next_code[MAX_BITS+1]; /* next code value for each bit length */
ush code = 0; /* running code value */
unsigned code = 0; /* running code value */
int bits; /* bit index */
int n; /* code index */
@ -586,7 +583,8 @@ local void gen_codes (tree, max_code, bl_count)
* without bit reversal.
*/
for (bits = 1; bits <= MAX_BITS; bits++) {
next_code[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.
@ -599,7 +597,7 @@ local void gen_codes (tree, max_code, bl_count)
int len = tree[n].Len;
if (len == 0) continue;
/* Now reverse the bits */
tree[n].Code = bi_reverse(next_code[len]++, len);
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));
@ -821,7 +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*(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));
@ -869,11 +867,18 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last)
int last; /* one if this is the last block for a file */
{
send_bits(s, (STORED_BLOCK<<1)+last, 3); /* send block type */
#ifdef DEBUG
bi_windup(s); /* align on byte boundary */
put_short(s, (ush)stored_len);
put_short(s, (ush)~stored_len);
if (stored_len)
zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len);
s->pending += stored_len;
#ifdef ZLIB_DEBUG
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;
#endif
copy_block(s, buf, (unsigned)stored_len, 1); /* with header */
}
/* ===========================================================================
@ -894,7 +899,7 @@ void ZLIB_INTERNAL _tr_align(s)
{
send_bits(s, STATIC_TREES<<1, 3);
send_code(s, END_BLOCK, static_ltree);
#ifdef DEBUG
#ifdef ZLIB_DEBUG
s->compressed_len += 10L; /* 3 for block type, 7 for EOB */
#endif
bi_flush(s);
@ -902,7 +907,7 @@ void ZLIB_INTERNAL _tr_align(s)
/* ===========================================================================
* Determine the best encoding for the current block: dynamic trees, static
* trees or store, and output the encoded block to the zip file.
* trees or store, and write out the encoded block.
*/
void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
deflate_state *s;
@ -943,7 +948,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
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->last_lit));
s->sym_next / 3));
if (static_lenb <= opt_lenb) opt_lenb = static_lenb;
@ -972,16 +977,18 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
} else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
#endif
send_bits(s, (STATIC_TREES<<1)+last, 3);
compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree);
#ifdef DEBUG
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);
compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree);
#ifdef DEBUG
compress_block(s, (const ct_data *)s->dyn_ltree,
(const ct_data *)s->dyn_dtree);
#ifdef ZLIB_DEBUG
s->compressed_len += 3 + s->opt_len;
#endif
}
@ -993,7 +1000,7 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
if (last) {
bi_windup(s);
#ifdef DEBUG
#ifdef ZLIB_DEBUG
s->compressed_len += 7; /* align on byte boundary */
#endif
}
@ -1010,8 +1017,9 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
unsigned dist; /* distance of matched string */
unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */
{
s->d_buf[s->last_lit] = (ush)dist;
s->l_buf[s->last_lit++] = (uch)lc;
s->sym_buf[s->sym_next++] = dist;
s->sym_buf[s->sym_next++] = dist >> 8;
s->sym_buf[s->sym_next++] = lc;
if (dist == 0) {
/* lc is the unmatched char */
s->dyn_ltree[lc].Freq++;
@ -1026,30 +1034,7 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++;
s->dyn_dtree[d_code(dist)].Freq++;
}
#ifdef TRUNCATE_BLOCK
/* Try to guess if it is profitable to stop the current block here */
if ((s->last_lit & 0x1fff) == 0 && s->level > 2) {
/* Compute an upper bound for the compressed length */
ulg out_length = (ulg)s->last_lit*8L;
ulg in_length = (ulg)((long)s->strstart - s->block_start);
int dcode;
for (dcode = 0; dcode < D_CODES; dcode++) {
out_length += (ulg)s->dyn_dtree[dcode].Freq *
(5L+extra_dbits[dcode]);
}
out_length >>= 3;
Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ",
s->last_lit, in_length, out_length,
100L - out_length*100L/in_length));
if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1;
}
#endif
return (s->last_lit == s->lit_bufsize-1);
/* We avoid equality with lit_bufsize because of wraparound at 64K
* on 16 bit machines and because stored blocks are restricted to
* 64K-1 bytes.
*/
return (s->sym_next == s->sym_end);
}
/* ===========================================================================
@ -1057,18 +1042,19 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
*/
local void compress_block(s, ltree, dtree)
deflate_state *s;
ct_data *ltree; /* literal tree */
ct_data *dtree; /* distance tree */
const ct_data *ltree; /* literal tree */
const ct_data *dtree; /* distance tree */
{
unsigned dist; /* distance of matched string */
int lc; /* match length or unmatched char (if dist == 0) */
unsigned lx = 0; /* running index in l_buf */
unsigned sx = 0; /* running index in sym_buf */
unsigned code; /* the code to send */
int extra; /* number of extra bits to send */
if (s->last_lit != 0) do {
dist = s->d_buf[lx];
lc = s->l_buf[lx++];
if (s->sym_next != 0) do {
dist = s->sym_buf[sx++] & 0xff;
dist += (unsigned)(s->sym_buf[sx++] & 0xff) << 8;
lc = s->sym_buf[sx++];
if (dist == 0) {
send_code(s, lc, ltree); /* send a literal byte */
Tracecv(isgraph(lc), (stderr," '%c' ", lc));
@ -1088,16 +1074,15 @@ local void compress_block(s, ltree, dtree)
send_code(s, code, dtree); /* send the distance code */
extra = extra_dbits[code];
if (extra != 0) {
dist -= base_dist[code];
dist -= (unsigned)base_dist[code];
send_bits(s, dist, extra); /* send the extra distance bits */
}
} /* literal or match pair ? */
/* Check that the overlay between pending_buf and d_buf+l_buf is ok: */
Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx,
"pendingBuf overflow");
/* Check that the overlay between pending_buf and sym_buf is ok: */
Assert(s->pending < s->lit_bufsize + sx, "pendingBuf overflow");
} while (lx < s->last_lit);
} while (sx < s->sym_next);
send_code(s, END_BLOCK, ltree);
}
@ -1106,9 +1091,9 @@ local void compress_block(s, ltree, dtree)
* Check if the data type is TEXT or BINARY, using the following algorithm:
* - TEXT if the two conditions below are satisfied:
* a) There are no non-portable control characters belonging to the
* "black list" (0..6, 14..25, 28..31).
* "block list" (0..6, 14..25, 28..31).
* b) There is at least one printable character belonging to the
* "white list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
* "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255).
* - BINARY otherwise.
* - The following partially-portable control characters form a
* "gray list" that is ignored in this detection algorithm:
@ -1118,19 +1103,19 @@ local void compress_block(s, ltree, dtree)
local int detect_data_type(s)
deflate_state *s;
{
/* black_mask is the bit mask of black-listed bytes
/* block_mask is the bit mask of block-listed bytes
* set bits 0..6, 14..25, and 28..31
* 0xf3ffc07f = binary 11110011111111111100000001111111
*/
unsigned long black_mask = 0xf3ffc07fUL;
unsigned long block_mask = 0xf3ffc07fUL;
int n;
/* Check for non-textual ("black-listed") bytes. */
for (n = 0; n <= 31; n++, black_mask >>= 1)
if ((black_mask & 1) && (s->dyn_ltree[n].Freq != 0))
/* Check for non-textual ("block-listed") bytes. */
for (n = 0; n <= 31; n++, block_mask >>= 1)
if ((block_mask & 1) && (s->dyn_ltree[n].Freq != 0))
return Z_BINARY;
/* Check for textual ("white-listed") bytes. */
/* Check for textual ("allow-listed") bytes. */
if (s->dyn_ltree[9].Freq != 0 || s->dyn_ltree[10].Freq != 0
|| s->dyn_ltree[13].Freq != 0)
return Z_TEXT;
@ -1138,7 +1123,7 @@ local int detect_data_type(s)
if (s->dyn_ltree[n].Freq != 0)
return Z_TEXT;
/* There are no "black-listed" or "white-listed" bytes:
/* There are no "block-listed" or "allow-listed" bytes:
* this stream either is empty or has tolerated ("gray-listed") bytes only.
*/
return Z_BINARY;
@ -1191,34 +1176,7 @@ local void bi_windup(s)
}
s->bi_buf = 0;
s->bi_valid = 0;
#ifdef DEBUG
#ifdef ZLIB_DEBUG
s->bits_sent = (s->bits_sent+7) & ~7;
#endif
}
/* ===========================================================================
* Copy a stored block, storing first the length and its
* one's complement if requested.
*/
local void copy_block(s, buf, len, header)
deflate_state *s;
charf *buf; /* the input data */
unsigned len; /* its length */
int header; /* true if block header must be written */
{
bi_windup(s); /* align on byte boundary */
if (header) {
put_short(s, (ush)len);
put_short(s, (ush)~len);
#ifdef DEBUG
s->bits_sent += 2*16;
#endif
}
#ifdef DEBUG
s->bits_sent += (ulg)len<<3;
#endif
while (len--) {
put_byte(s, *buf++);
}
}

114
deps/zlib/uncompr.c vendored
View File

@ -1,5 +1,5 @@
/* uncompr.c -- decompress a memory buffer
* Copyright (C) 1995-2003, 2010 Jean-loup Gailly.
* Copyright (C) 1995-2003, 2010, 2014, 2016 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -9,51 +9,85 @@
#include "zlib.h"
/* ===========================================================================
Decompresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
size of the destination buffer, which must be large enough to hold the
entire uncompressed data. (The size of the uncompressed data must have
been saved previously by the compressor and transmitted to the decompressor
by some mechanism outside the scope of this compression library.)
Upon exit, destLen is the actual size of the compressed buffer.
Decompresses the source buffer into the destination buffer. *sourceLen is
the byte length of the source buffer. Upon entry, *destLen is the total size
of the destination buffer, which must be large enough to hold the entire
uncompressed data. (The size of the uncompressed data must have been saved
previously by the compressor and transmitted to the decompressor by some
mechanism outside the scope of this compression library.) Upon exit,
*destLen is the size of the decompressed data and *sourceLen is the number
of source bytes consumed. Upon return, source + *sourceLen points to the
first unused input byte.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer, or Z_DATA_ERROR if the input data was corrupted.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer, or
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)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong *sourceLen;
{
z_stream stream;
int err;
const uInt max = (uInt)-1;
uLong len, left;
Byte buf[1]; /* for detection of incomplete stream when *destLen == 0 */
len = *sourceLen;
if (*destLen) {
left = *destLen;
*destLen = 0;
}
else {
left = 1;
dest = buf;
}
stream.next_in = (z_const Bytef *)source;
stream.avail_in = 0;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
err = inflateInit(&stream);
if (err != Z_OK) return err;
stream.next_out = dest;
stream.avail_out = 0;
do {
if (stream.avail_out == 0) {
stream.avail_out = left > (uLong)max ? max : (uInt)left;
left -= stream.avail_out;
}
if (stream.avail_in == 0) {
stream.avail_in = len > (uLong)max ? max : (uInt)len;
len -= stream.avail_in;
}
err = inflate(&stream, Z_NO_FLUSH);
} while (err == Z_OK);
*sourceLen -= len + stream.avail_in;
if (dest != buf)
*destLen = stream.total_out;
else if (stream.total_out && err == Z_BUF_ERROR)
left = 1;
inflateEnd(&stream);
return err == Z_STREAM_END ? Z_OK :
err == Z_NEED_DICT ? Z_DATA_ERROR :
err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR :
err;
}
int ZEXPORT uncompress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
z_stream stream;
int err;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
err = inflateInit(&stream);
if (err != Z_OK) return err;
err = inflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
inflateEnd(&stream);
if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0))
return Z_DATA_ERROR;
return err;
}
*destLen = stream.total_out;
err = inflateEnd(&stream);
return err;
return uncompress2(dest, destLen, source, &sourceLen);
}

68
deps/zlib/zconf.h vendored
View File

@ -1,5 +1,5 @@
/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2012 Jean-loup Gailly.
* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -17,10 +17,11 @@
#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
# define Z_PREFIX_SET
/* all linked symbols */
/* all linked symbols and init macros */
# define _dist_code z__dist_code
# define _length_code z__length_code
# define _tr_align z__tr_align
# define _tr_flush_bits z__tr_flush_bits
# define _tr_flush_block z__tr_flush_block
# define _tr_init z__tr_init
# define _tr_stored_block z__tr_stored_block
@ -28,6 +29,7 @@
# define adler32 z_adler32
# define adler32_combine z_adler32_combine
# define adler32_combine64 z_adler32_combine64
# define adler32_z z_adler32_z
# ifndef Z_SOLO
# define compress z_compress
# define compress2 z_compress2
@ -36,10 +38,14 @@
# define crc32 z_crc32
# define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64
# define crc32_z z_crc32_z
# define deflate z_deflate
# define deflateBound z_deflateBound
# define deflateCopy z_deflateCopy
# define deflateEnd z_deflateEnd
# define deflateGetDictionary z_deflateGetDictionary
# define deflateInit z_deflateInit
# define deflateInit2 z_deflateInit2
# define deflateInit2_ z_deflateInit2_
# define deflateInit_ z_deflateInit_
# define deflateParams z_deflateParams
@ -66,6 +72,8 @@
# define gzeof z_gzeof
# define gzerror z_gzerror
# define gzflush z_gzflush
# define gzfread z_gzfread
# define gzfwrite z_gzfwrite
# define gzgetc z_gzgetc
# define gzgetc_ z_gzgetc_
# define gzgets z_gzgets
@ -87,31 +95,39 @@
# define gztell z_gztell
# define gztell64 z_gztell64
# define gzungetc z_gzungetc
# define gzvprintf z_gzvprintf
# define gzwrite z_gzwrite
# endif
# define inflate z_inflate
# define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd
# define inflateBackInit z_inflateBackInit
# define inflateBackInit_ z_inflateBackInit_
# define inflateCodesUsed z_inflateCodesUsed
# define inflateCopy z_inflateCopy
# define inflateEnd z_inflateEnd
# define inflateGetDictionary z_inflateGetDictionary
# define inflateGetHeader z_inflateGetHeader
# define inflateInit z_inflateInit
# define inflateInit2 z_inflateInit2
# define inflateInit2_ z_inflateInit2_
# define inflateInit_ z_inflateInit_
# define inflateMark z_inflateMark
# define inflatePrime z_inflatePrime
# define inflateReset z_inflateReset
# define inflateReset2 z_inflateReset2
# define inflateResetKeep z_inflateResetKeep
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateUndermine z_inflateUndermine
# define inflateResetKeep z_inflateResetKeep
# define inflateValidate z_inflateValidate
# define inflate_copyright z_inflate_copyright
# define inflate_fast z_inflate_fast
# define inflate_table z_inflate_table
# ifndef Z_SOLO
# define uncompress z_uncompress
# define uncompress2 z_uncompress2
# endif
# define zError z_zError
# ifndef Z_SOLO
@ -221,9 +237,19 @@
# define z_const
#endif
/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
# define NO_DUMMY_DECL
#ifdef Z_SOLO
typedef unsigned long z_size_t;
#else
# define z_longlong long long
# if defined(NO_SIZE_T)
typedef unsigned NO_SIZE_T z_size_t;
# elif defined(STDC)
# include <stddef.h>
typedef size_t z_size_t;
# else
typedef unsigned long z_size_t;
# endif
# undef z_longlong
#endif
/* Maximum value for memLevel in deflateInit2 */
@ -253,7 +279,7 @@
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus a few kilobytes
that is, 32K for windowBits=15 (default value) plus about 7 kilobytes
for small objects.
*/
@ -388,20 +414,14 @@ typedef uLong FAR uLongf;
typedef Byte *voidp;
#endif
/* ./configure may #define Z_U4 here */
#if !defined(Z_U4) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (UINT_MAX == 0xffffffffUL)
# define Z_U4 unsigned
# else
# if (ULONG_MAX == 0xffffffffUL)
# define Z_U4 unsigned long
# else
# if (USHRT_MAX == 0xffffffffUL)
# define Z_U4 unsigned short
# endif
# endif
# elif (ULONG_MAX == 0xffffffffUL)
# define Z_U4 unsigned long
# elif (USHRT_MAX == 0xffffffffUL)
# define Z_U4 unsigned short
# endif
#endif
@ -425,8 +445,16 @@ typedef uLong FAR uLongf;
# endif
#endif
#if defined(STDC) || defined(Z_HAVE_STDARG_H)
# ifndef Z_SOLO
# include <stdarg.h> /* for va_list */
# endif
#endif
#ifdef _WIN32
# include <stddef.h> /* for wchar_t */
# ifndef Z_SOLO
# include <stddef.h> /* for wchar_t */
# endif
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
@ -435,7 +463,7 @@ typedef uLong FAR uLongf;
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if defined(LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
@ -443,7 +471,7 @@ typedef uLong FAR uLongf;
# define Z_HAVE_UNISTD_H
#endif
#ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H) || defined(LARGEFILE64_SOURCE)
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS
# include <unixio.h> /* for off_t */

649
deps/zlib/zlib.h vendored
View File

File diff suppressed because it is too large Load Diff

55
deps/zlib/zutil.c vendored
View File

@ -1,5 +1,5 @@
/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2005, 2010, 2011, 2012 Jean-loup Gailly.
* Copyright (C) 1995-2017 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -10,21 +10,18 @@
# include "gzguts.h"
#endif
#ifndef NO_DUMMY_DECL
struct internal_state {int dummy;}; /* for buggy compilers */
#endif
const char * const z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */
"file error", /* Z_ERRNO (-1) */
"stream error", /* Z_STREAM_ERROR (-2) */
"data error", /* Z_DATA_ERROR (-3) */
"insufficient memory", /* Z_MEM_ERROR (-4) */
"buffer error", /* Z_BUF_ERROR (-5) */
"incompatible version",/* Z_VERSION_ERROR (-6) */
""};
z_const char * const z_errmsg[10] = {
(z_const char *)"need dictionary", /* Z_NEED_DICT 2 */
(z_const char *)"stream end", /* Z_STREAM_END 1 */
(z_const char *)"", /* Z_OK 0 */
(z_const char *)"file error", /* Z_ERRNO (-1) */
(z_const char *)"stream error", /* Z_STREAM_ERROR (-2) */
(z_const char *)"data error", /* Z_DATA_ERROR (-3) */
(z_const char *)"insufficient memory", /* Z_MEM_ERROR (-4) */
(z_const char *)"buffer error", /* Z_BUF_ERROR (-5) */
(z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */
(z_const char *)""
};
const char * ZEXPORT zlibVersion()
@ -61,7 +58,7 @@ uLong ZEXPORT zlibCompileFlags()
case 8: flags += 2 << 6; break;
default: flags += 3 << 6;
}
#ifdef DEBUG
#ifdef ZLIB_DEBUG
flags += 1 << 8;
#endif
#if defined(ASMV) || defined(ASMINF)
@ -115,8 +112,8 @@ uLong ZEXPORT zlibCompileFlags()
return flags;
}
#ifdef DEBUG
#ifdef ZLIB_DEBUG
#include <stdlib.h>
# ifndef verbose
# define verbose 0
# endif
@ -139,8 +136,8 @@ const char * ZEXPORT zError(err)
return ERR_MSG(err);
}
#if defined(_WIN32_WCE)
/* The Microsoft C Run-Time Library for Windows CE doesn't have
#if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
/* The older Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used.
*/
@ -219,9 +216,11 @@ local ptr_table table[MAX_PTR];
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
{
voidpf buf = opaque; /* just to make some compilers happy */
voidpf buf;
ulg bsize = (ulg)items*size;
(void)opaque;
/* If we allocate less than 65520 bytes, we assume that farmalloc
* will return a usable pointer which doesn't have to be normalized.
*/
@ -244,6 +243,9 @@ voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
{
int n;
(void)opaque;
if (*(ush*)&ptr != 0) { /* object < 64K */
farfree(ptr);
return;
@ -259,7 +261,6 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
next_ptr--;
return;
}
ptr = opaque; /* just to make some compilers happy */
Assert(0, "zcfree: ptr not found");
}
@ -278,13 +279,13 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size)
{
if (opaque) opaque = 0; /* to make compiler happy */
(void)opaque;
return _halloc((long)items, size);
}
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
{
if (opaque) opaque = 0; /* to make compiler happy */
(void)opaque;
_hfree(ptr);
}
@ -306,7 +307,7 @@ voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
unsigned items;
unsigned size;
{
if (opaque) items += size - size; /* make compiler happy */
(void)opaque;
return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
(voidpf)calloc(items, size);
}
@ -315,8 +316,8 @@ void ZLIB_INTERNAL zcfree (opaque, ptr)
voidpf opaque;
voidpf ptr;
{
(void)opaque;
free(ptr);
if (opaque) return; /* make compiler happy */
}
#endif /* MY_ZCALLOC */

78
deps/zlib/zutil.h vendored
View File

@ -1,5 +1,5 @@
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2012 Jean-loup Gailly.
* Copyright (C) 1995-2022 Jean-loup Gailly, Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@ -29,14 +29,12 @@
# include <stdlib.h>
#endif
#ifdef Z_SOLO
typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
/* since "static" is used to mean two completely different things in C, we
define "local" for the non-static meaning of "static", for readability
(compile with -Dlocal if your debugger can't find static symbols) */
typedef unsigned char uch;
typedef uch FAR uchf;
@ -44,13 +42,24 @@ typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#if !defined(Z_U8) && !defined(Z_SOLO) && defined(STDC)
# include <limits.h>
# if (ULONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long
# elif (ULLONG_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned long long
# elif (UINT_MAX == 0xffffffffffffffff)
# define Z_U8 unsigned
# endif
#endif
extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm,err) \
return (strm->msg = (char*)ERR_MSG(err), (err))
return (strm->msg = ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */
/* common constants */
@ -98,28 +107,38 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#endif
#ifdef AMIGA
# define OS_CODE 0x01
# define OS_CODE 1
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 0x02
# define OS_CODE 2
# define F_OPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#ifdef __370__
# if __TARGET_LIB__ < 0x20000000
# define OS_CODE 4
# elif __TARGET_LIB__ < 0x40000000
# define OS_CODE 11
# else
# define OS_CODE 8
# endif
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 0x05
# define OS_CODE 5
#endif
#ifdef OS2
# define OS_CODE 0x06
# define OS_CODE 6
# if defined(M_I86) && !defined(Z_SOLO)
# include <malloc.h>
# endif
#endif
#if defined(MACOS) || defined(TARGET_OS_MAC)
# define OS_CODE 0x07
# define OS_CODE 7
# ifndef Z_SOLO
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fdopen */
@ -131,18 +150,24 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# endif
#endif
#ifdef TOPS20
# define OS_CODE 0x0a
#ifdef __acorn
# define OS_CODE 13
#endif
#ifdef WIN32
# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
# define OS_CODE 0x0b
# endif
#if defined(WIN32) && !defined(__CYGWIN__)
# define OS_CODE 10
#endif
#ifdef __50SERIES /* Prime/PRIMOS */
# define OS_CODE 0x0f
#ifdef _BEOS_
# define OS_CODE 16
#endif
#ifdef __TOS_OS400__
# define OS_CODE 18
#endif
#ifdef __APPLE__
# define OS_CODE 19
#endif
#if defined(_BEOS_) || defined(RISCOS)
@ -152,10 +177,6 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
# if defined(_WIN32_WCE)
# define fdopen(fd,mode) NULL /* No fdopen() */
# ifndef _PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
# define _PTRDIFF_T_DEFINED
# endif
# else
# define fdopen(fd,type) _fdopen(fd,type)
# endif
@ -168,7 +189,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#endif
/* provide prototypes for these when building zlib without LFS */
#if !defined(_WIN32) && (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
#if !defined(_WIN32) && \
(!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));
#endif
@ -176,7 +198,7 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
# define OS_CODE 3 /* assume Unix */
#endif
#ifndef F_OPEN
@ -215,7 +237,7 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#endif
/* Diagnostic functions */
#ifdef DEBUG
#ifdef ZLIB_DEBUG
# include <stdio.h>
extern int ZLIB_INTERNAL z_verbose;
extern void ZLIB_INTERNAL z_error OF((char *m));