Commit d83fccc9 by Edward Thomson

zlib: upgrade bundled zlib to v1.3

parent 4e7006ab
......@@ -365,7 +365,7 @@ Public License instead of this License.
The bundled ZLib code is licensed under the ZLib license:
Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler
(C) 1995-2022 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
......
disable_warnings(implicit-fallthrough)
add_definitions(-DNO_VIZ -DSTDC -DNO_GZIP)
add_definitions(-DNO_VIZ -DSTDC -DNO_GZIP -DHAVE_SYS_TYPES_H -DHAVE_STDINT_H -DHAVE_STDDEF_H)
if(MINGW OR MSYS)
add_definitions(-DZ_HAVE_UNISTD_H -D_LFS64_LARGEFILE -D_LARGEFILE64_SOURCE=1)
endif()
file(GLOB SRC_ZLIB "*.c" "*.h")
list(SORT SRC_ZLIB)
include_directories(".")
......
Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you
use this software in a product, an acknowledgment in the
product documentation would be appreciated but is not
required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
Jean-loup Gailly Mark Adler
The data format used by the zlib library is described by RFCs
(Request for Comments) 1950 to 1952 in the files rfc1950 (zlib
format), rfc1951 (deflate format) and rfc1952 (gzip format).
Copyright notice:
(C) 1995-2022 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
......@@ -7,8 +7,6 @@
#include "zutil.h"
local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#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 */
......@@ -60,11 +58,7 @@ local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#endif
/* ========================================================================= */
uLong ZEXPORT adler32_z(adler, buf, len)
uLong adler;
const Bytef *buf;
z_size_t len;
{
uLong ZEXPORT adler32_z(uLong adler, const Bytef *buf, z_size_t len) {
unsigned long sum2;
unsigned n;
......@@ -131,20 +125,12 @@ uLong ZEXPORT adler32_z(adler, buf, len)
}
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
uLong ZEXPORT adler32(uLong adler, const Bytef *buf, uInt len) {
return adler32_z(adler, buf, len);
}
/* ========================================================================= */
local uLong adler32_combine_(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off64_t len2;
{
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2) {
unsigned long sum1;
unsigned long sum2;
unsigned rem;
......@@ -169,18 +155,10 @@ local uLong adler32_combine_(adler1, adler2, len2)
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off_t len2;
{
uLong ZEXPORT adler32_combine(uLong adler1, uLong adler2, z_off_t len2) {
return adler32_combine_(adler1, adler2, len2);
}
uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off64_t len2;
{
uLong ZEXPORT adler32_combine64(uLong adler1, uLong adler2, z_off64_t len2) {
return adler32_combine_(adler1, adler2, len2);
}
......@@ -291,14 +291,14 @@ typedef struct internal_state {
memory checker errors from longest match routines */
/* in trees.c */
void ZLIB_INTERNAL _tr_init OF((deflate_state *s));
int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last));
void ZLIB_INTERNAL _tr_flush_bits OF((deflate_state *s));
void ZLIB_INTERNAL _tr_align OF((deflate_state *s));
void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last));
void ZLIB_INTERNAL _tr_init(deflate_state *s);
int ZLIB_INTERNAL _tr_tally(deflate_state *s, unsigned dist, unsigned lc);
void ZLIB_INTERNAL _tr_flush_block(deflate_state *s, charf *buf,
ulg stored_len, int last);
void ZLIB_INTERNAL _tr_flush_bits(deflate_state *s);
void ZLIB_INTERNAL _tr_align(deflate_state *s);
void ZLIB_INTERNAL _tr_stored_block(deflate_state *s, charf *buf,
ulg stored_len, int last);
#define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
......
......@@ -7,9 +7,8 @@
# ifndef _LARGEFILE_SOURCE
# define _LARGEFILE_SOURCE 1
# endif
# ifdef _FILE_OFFSET_BITS
# undef _FILE_OFFSET_BITS
# endif
# undef _TIME_BITS
#endif
#ifdef HAVE_HIDDEN
......@@ -119,8 +118,8 @@
/* gz* functions always use library allocation functions */
#ifndef STDC
extern voidp malloc OF((uInt size));
extern void free OF((voidpf ptr));
extern voidp malloc(uInt size);
extern void free(voidpf ptr);
#endif
/* get errno and strerror definition */
......@@ -138,10 +137,10 @@
/* provide prototypes for these when building zlib without LFS */
#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int);
ZEXTERN z_off64_t ZEXPORT gztell64(gzFile);
ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile);
#endif
/* default memLevel */
......@@ -203,9 +202,9 @@ typedef struct {
typedef gz_state FAR *gz_statep;
/* shared functions */
void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
void ZLIB_INTERNAL gz_error(gz_statep, int, const char *);
#if defined UNDER_CE
char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
char ZLIB_INTERNAL *gz_strwinerror(DWORD error);
#endif
/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
......@@ -214,6 +213,6 @@ char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
#ifdef INT_MAX
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
#else
unsigned ZLIB_INTERNAL gz_intmax OF((void));
unsigned ZLIB_INTERNAL gz_intmax(void);
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
#endif
......@@ -15,9 +15,6 @@
#include "inflate.h"
#include "inffast.h"
/* function prototypes */
local void fixedtables OF((struct inflate_state FAR *state));
/*
strm provides memory allocation functions in zalloc and zfree, or
Z_NULL to use the library memory allocation functions.
......@@ -25,13 +22,9 @@ local void fixedtables OF((struct inflate_state FAR *state));
windowBits is in the range 8..15, and window is a user-supplied
window and output buffer that is 2**windowBits bytes.
*/
int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
z_streamp strm;
int windowBits;
unsigned char FAR *window;
const char *version;
int stream_size;
{
int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
unsigned char FAR *window, const char *version,
int stream_size) {
struct inflate_state FAR *state;
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
......@@ -66,6 +59,7 @@ int stream_size;
state->window = window;
state->wnext = 0;
state->whave = 0;
state->sane = 1;
return Z_OK;
}
......@@ -79,9 +73,7 @@ int stream_size;
used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe.
*/
local void fixedtables(state)
struct inflate_state FAR *state;
{
local void fixedtables(struct inflate_state FAR *state) {
#ifdef BUILDFIXED
static int virgin = 1;
static code *lenfix, *distfix;
......@@ -247,13 +239,8 @@ struct inflate_state FAR *state;
inflateBack() can also return Z_STREAM_ERROR if the input parameters
are not correct, i.e. strm is Z_NULL or the state was not initialized.
*/
int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
z_streamp strm;
in_func in;
void FAR *in_desc;
out_func out;
void FAR *out_desc;
{
int ZEXPORT inflateBack(z_streamp strm, in_func in, void FAR *in_desc,
out_func out, void FAR *out_desc) {
struct inflate_state FAR *state;
z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
......@@ -605,33 +592,33 @@ void FAR *out_desc;
break;
case DONE:
/* inflate stream terminated properly -- write leftover output */
/* inflate stream terminated properly */
ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave;
case BAD:
ret = Z_DATA_ERROR;
goto inf_leave;
default: /* can't happen, but makes compilers happy */
default:
/* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR;
goto inf_leave;
}
/* Return unused input */
/* Write leftover output and return unused input */
inf_leave:
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left) &&
ret == Z_STREAM_END)
ret = Z_BUF_ERROR;
}
strm->next_in = next;
strm->avail_in = have;
return ret;
}
int ZEXPORT inflateBackEnd(strm)
z_streamp strm;
{
int ZEXPORT inflateBackEnd(z_streamp strm) {
if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
return Z_STREAM_ERROR;
ZFREE(strm, strm->state);
......
......@@ -47,10 +47,7 @@
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
void ZLIB_INTERNAL inflate_fast(strm, start)
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start) {
struct inflate_state FAR *state;
z_const unsigned char FAR *in; /* local strm->next_in */
z_const unsigned char FAR *last; /* have enough input while in < last */
......
......@@ -8,4 +8,4 @@
subject to change. Applications should only use zlib.h.
*/
void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));
void ZLIB_INTERNAL inflate_fast(z_streamp strm, unsigned start);
......@@ -91,20 +91,7 @@
# endif
#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, const unsigned char FAR *end,
unsigned copy));
#ifdef BUILDFIXED
void makefixed OF((void));
#endif
local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
unsigned len));
local int inflateStateCheck(strm)
z_streamp strm;
{
local int inflateStateCheck(z_streamp strm) {
struct inflate_state FAR *state;
if (strm == Z_NULL ||
strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0)
......@@ -116,9 +103,7 @@ z_streamp strm;
return 0;
}
int ZEXPORT inflateResetKeep(strm)
z_streamp strm;
{
int ZEXPORT inflateResetKeep(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
......@@ -142,9 +127,7 @@ z_streamp strm;
return Z_OK;
}
int ZEXPORT inflateReset(strm)
z_streamp strm;
{
int ZEXPORT inflateReset(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
......@@ -155,10 +138,7 @@ z_streamp strm;
return inflateResetKeep(strm);
}
int ZEXPORT inflateReset2(strm, windowBits)
z_streamp strm;
int windowBits;
{
int ZEXPORT inflateReset2(z_streamp strm, int windowBits) {
int wrap;
struct inflate_state FAR *state;
......@@ -168,6 +148,8 @@ int windowBits;
/* extract wrap request from windowBits parameter */
if (windowBits < 0) {
if (windowBits < -15)
return Z_STREAM_ERROR;
wrap = 0;
windowBits = -windowBits;
}
......@@ -193,12 +175,8 @@ int windowBits;
return inflateReset(strm);
}
int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size)
z_streamp strm;
int windowBits;
const char *version;
int stream_size;
{
int ZEXPORT inflateInit2_(z_streamp strm, int windowBits,
const char *version, int stream_size) {
int ret;
struct inflate_state FAR *state;
......@@ -237,22 +215,17 @@ int stream_size;
return ret;
}
int ZEXPORT inflateInit_(strm, version, stream_size)
z_streamp strm;
const char *version;
int stream_size;
{
int ZEXPORT inflateInit_(z_streamp strm, const char *version,
int stream_size) {
return inflateInit2_(strm, DEF_WBITS, version, stream_size);
}
int ZEXPORT inflatePrime(strm, bits, value)
z_streamp strm;
int bits;
int value;
{
int ZEXPORT inflatePrime(z_streamp strm, int bits, int value) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
if (bits == 0)
return Z_OK;
state = (struct inflate_state FAR *)strm->state;
if (bits < 0) {
state->hold = 0;
......@@ -276,9 +249,7 @@ int value;
used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe.
*/
local void fixedtables(state)
struct inflate_state FAR *state;
{
local void fixedtables(struct inflate_state FAR *state) {
#ifdef BUILDFIXED
static int virgin = 1;
static code *lenfix, *distfix;
......@@ -340,7 +311,7 @@ struct inflate_state FAR *state;
a.out > inffixed.h
*/
void makefixed()
void makefixed(void)
{
unsigned low, size;
struct inflate_state state;
......@@ -394,11 +365,7 @@ 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, end, copy)
z_streamp strm;
const Bytef *end;
unsigned copy;
{
local int updatewindow(z_streamp strm, const Bytef *end, unsigned copy) {
struct inflate_state FAR *state;
unsigned dist;
......@@ -620,10 +587,7 @@ unsigned copy;
will return Z_BUF_ERROR if it has not reached the end of the stream.
*/
int ZEXPORT inflate(strm, flush)
z_streamp strm;
int flush;
{
int ZEXPORT inflate(z_streamp strm, int flush) {
struct inflate_state FAR *state;
z_const unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
......@@ -764,8 +728,9 @@ int flush;
if (copy > have) copy = have;
if (copy) {
if (state->head != Z_NULL &&
state->head->extra != Z_NULL) {
len = state->head->extra_len - state->length;
state->head->extra != Z_NULL &&
(len = state->head->extra_len - state->length) <
state->head->extra_max) {
zmemcpy(state->head->extra + len, next,
len + copy > state->head->extra_max ?
state->head->extra_max - len : copy);
......@@ -1298,9 +1263,7 @@ int flush;
return ret;
}
int ZEXPORT inflateEnd(strm)
z_streamp strm;
{
int ZEXPORT inflateEnd(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm))
return Z_STREAM_ERROR;
......@@ -1312,11 +1275,8 @@ z_streamp strm;
return Z_OK;
}
int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength)
z_streamp strm;
Bytef *dictionary;
uInt *dictLength;
{
int ZEXPORT inflateGetDictionary(z_streamp strm, Bytef *dictionary,
uInt *dictLength) {
struct inflate_state FAR *state;
/* check state */
......@@ -1335,11 +1295,8 @@ uInt *dictLength;
return Z_OK;
}
int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
z_streamp strm;
const Bytef *dictionary;
uInt dictLength;
{
int ZEXPORT inflateSetDictionary(z_streamp strm, const Bytef *dictionary,
uInt dictLength) {
struct inflate_state FAR *state;
unsigned long dictid;
int ret;
......@@ -1370,10 +1327,7 @@ uInt dictLength;
return Z_OK;
}
int ZEXPORT inflateGetHeader(strm, head)
z_streamp strm;
gz_headerp head;
{
int ZEXPORT inflateGetHeader(z_streamp strm, gz_headerp head) {
struct inflate_state FAR *state;
/* check state */
......@@ -1398,11 +1352,8 @@ gz_headerp head;
called again with more data and the *have state. *have is initialized to
zero for the first call.
*/
local unsigned syncsearch(have, buf, len)
unsigned FAR *have;
const unsigned char FAR *buf;
unsigned len;
{
local unsigned syncsearch(unsigned FAR *have, const unsigned char FAR *buf,
unsigned len) {
unsigned got;
unsigned next;
......@@ -1421,9 +1372,7 @@ unsigned len;
return next;
}
int ZEXPORT inflateSync(strm)
z_streamp strm;
{
int ZEXPORT inflateSync(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 */
......@@ -1479,9 +1428,7 @@ z_streamp strm;
block. When decompressing, PPP checks that at the end of input packet,
inflate is waiting for these length bytes.
*/
int ZEXPORT inflateSyncPoint(strm)
z_streamp strm;
{
int ZEXPORT inflateSyncPoint(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
......@@ -1489,10 +1436,7 @@ z_streamp strm;
return state->mode == STORED && state->bits == 0;
}
int ZEXPORT inflateCopy(dest, source)
z_streamp dest;
z_streamp source;
{
int ZEXPORT inflateCopy(z_streamp dest, z_streamp source) {
struct inflate_state FAR *state;
struct inflate_state FAR *copy;
unsigned char FAR *window;
......@@ -1536,10 +1480,7 @@ z_streamp source;
return Z_OK;
}
int ZEXPORT inflateUndermine(strm, subvert)
z_streamp strm;
int subvert;
{
int ZEXPORT inflateUndermine(z_streamp strm, int subvert) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
......@@ -1554,10 +1495,7 @@ int subvert;
#endif
}
int ZEXPORT inflateValidate(strm, check)
z_streamp strm;
int check;
{
int ZEXPORT inflateValidate(z_streamp strm, int check) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
......@@ -1569,9 +1507,7 @@ int check;
return Z_OK;
}
long ZEXPORT inflateMark(strm)
z_streamp strm;
{
long ZEXPORT inflateMark(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm))
......@@ -1582,9 +1518,7 @@ z_streamp strm;
(state->mode == MATCH ? state->was - state->length : 0));
}
unsigned long ZEXPORT inflateCodesUsed(strm)
z_streamp strm;
{
unsigned long ZEXPORT inflateCodesUsed(z_streamp strm) {
struct inflate_state FAR *state;
if (inflateStateCheck(strm)) return (unsigned long)-1;
state = (struct inflate_state FAR *)strm->state;
......
/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2022 Mark Adler
* Copyright (C) 1995-2023 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 1.2.12 Copyright 1995-2022 Mark Adler ";
" inflate 1.3 Copyright 1995-2023 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
......@@ -29,14 +29,9 @@ const char inflate_copyright[] =
table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code.
*/
int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work)
codetype type;
unsigned short FAR *lens;
unsigned codes;
code FAR * FAR *table;
unsigned FAR *bits;
unsigned short FAR *work;
{
int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work) {
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
unsigned min, max; /* minimum and maximum code lengths */
......@@ -62,7 +57,7 @@ unsigned short FAR *work;
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 199, 202};
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 198, 203};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
......
......@@ -38,7 +38,7 @@ typedef struct {
/* Maximum size of the dynamic table. The maximum number of code structures is
1444, which is the sum of 852 for literal/length codes and 592 for distance
codes. These values were found by exhaustive searches using the program
examples/enough.c found in the zlib distribtution. The arguments to that
examples/enough.c found in the zlib distribution. The arguments to that
program are the number of symbols, the initial root table size, and the
maximum bit length of a code. "enough 286 9 15" for literal/length codes
returns returns 852, and "enough 30 6 15" for distance codes returns 592.
......@@ -57,6 +57,6 @@ typedef enum {
DISTS
} codetype;
int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work));
unsigned FAR *bits, unsigned short FAR *work);
......@@ -38,6 +38,9 @@
# define crc32 z_crc32
# define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64
# define crc32_combine_gen z_crc32_combine_gen
# define crc32_combine_gen64 z_crc32_combine_gen64
# define crc32_combine_op z_crc32_combine_op
# define crc32_z z_crc32_z
# define deflate z_deflate
# define deflateBound z_deflateBound
......@@ -238,7 +241,11 @@
#endif
#ifdef Z_SOLO
# ifdef _WIN64
typedef unsigned long long z_size_t;
# else
typedef unsigned long z_size_t;
# endif
#else
# define z_longlong long long
# if defined(NO_SIZE_T)
......@@ -349,6 +356,9 @@
# ifdef FAR
# undef FAR
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
......@@ -467,11 +477,18 @@ typedef uLong FAR uLongf;
# undef _LARGEFILE64_SOURCE
#endif
#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
#ifndef Z_HAVE_UNISTD_H
# ifdef __WATCOMC__
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_HAVE_UNISTD_H
# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
# define Z_HAVE_UNISTD_H
# endif
#endif
#ifndef Z_SOLO
# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS
# include <unixio.h> /* for off_t */
......@@ -507,7 +524,7 @@ typedef uLong FAR uLongf;
#if !defined(_WIN32) && defined(Z_LARGE64)
# define z_off64_t off64_t
#else
# if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
# if defined(_WIN32) && !defined(__GNUC__)
# define z_off64_t __int64
# else
# define z_off64_t z_off_t
......
......@@ -24,13 +24,11 @@ z_const char * const z_errmsg[10] = {
};
const char * ZEXPORT zlibVersion()
{
const char * ZEXPORT zlibVersion(void) {
return ZLIB_VERSION;
}
uLong ZEXPORT zlibCompileFlags()
{
uLong ZEXPORT zlibCompileFlags(void) {
uLong flags;
flags = 0;
......@@ -61,9 +59,11 @@ uLong ZEXPORT zlibCompileFlags()
#ifdef ZLIB_DEBUG
flags += 1 << 8;
#endif
/*
#if defined(ASMV) || defined(ASMINF)
flags += 1 << 9;
#endif
*/
#ifdef ZLIB_WINAPI
flags += 1 << 10;
#endif
......@@ -119,9 +119,7 @@ uLong ZEXPORT zlibCompileFlags()
# endif
int ZLIB_INTERNAL z_verbose = verbose;
void ZLIB_INTERNAL z_error (m)
char *m;
{
void ZLIB_INTERNAL z_error(char *m) {
fprintf(stderr, "%s\n", m);
exit(1);
}
......@@ -130,9 +128,7 @@ void ZLIB_INTERNAL z_error (m)
/* exported to allow conversion of error code to string for compress() and
* uncompress()
*/
const char * ZEXPORT zError(err)
int err;
{
const char * ZEXPORT zError(int err) {
return ERR_MSG(err);
}
......@@ -146,22 +142,14 @@ const char * ZEXPORT zError(err)
#ifndef HAVE_MEMCPY
void ZLIB_INTERNAL zmemcpy(dest, source, len)
Bytef* dest;
const Bytef* source;
uInt len;
{
void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len) {
if (len == 0) return;
do {
*dest++ = *source++; /* ??? to be unrolled */
} while (--len != 0);
}
int ZLIB_INTERNAL zmemcmp(s1, s2, len)
const Bytef* s1;
const Bytef* s2;
uInt len;
{
int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len) {
uInt j;
for (j = 0; j < len; j++) {
......@@ -170,10 +158,7 @@ int ZLIB_INTERNAL zmemcmp(s1, s2, len)
return 0;
}
void ZLIB_INTERNAL zmemzero(dest, len)
Bytef* dest;
uInt len;
{
void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len) {
if (len == 0) return;
do {
*dest++ = 0; /* ??? to be unrolled */
......@@ -214,8 +199,7 @@ local ptr_table table[MAX_PTR];
* a protected system like OS/2. Use Microsoft C instead.
*/
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
{
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
voidpf buf;
ulg bsize = (ulg)items*size;
......@@ -240,8 +224,7 @@ voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, unsigned items, unsigned size)
return buf;
}
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
{
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
int n;
(void)opaque;
......@@ -277,14 +260,12 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
# define _hfree hfree
#endif
voidpf ZLIB_INTERNAL zcalloc (voidpf opaque, uInt items, uInt size)
{
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, uInt items, uInt size) {
(void)opaque;
return _halloc((long)items, size);
}
void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
{
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
(void)opaque;
_hfree(ptr);
}
......@@ -297,25 +278,18 @@ void ZLIB_INTERNAL zcfree (voidpf opaque, voidpf ptr)
#ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef STDC
extern voidp malloc OF((uInt size));
extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
extern voidp malloc(uInt size);
extern voidp calloc(uInt items, uInt size);
extern void free(voidpf ptr);
#endif
voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
voidpf opaque;
unsigned items;
unsigned size;
{
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items, unsigned size) {
(void)opaque;
return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
(voidpf)calloc(items, size);
}
void ZLIB_INTERNAL zcfree (opaque, ptr)
voidpf opaque;
voidpf ptr;
{
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr) {
(void)opaque;
free(ptr);
}
......
......@@ -191,8 +191,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* provide prototypes for these when building zlib without LFS */
#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));
ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);
ZEXTERN uLong ZEXPORT crc32_combine_gen64(z_off_t);
#endif
/* common defaults */
......@@ -231,16 +232,16 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# define zmemzero(dest, len) memset(dest, 0, len)
# endif
#else
void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
void ZLIB_INTERNAL zmemcpy(Bytef* dest, const Bytef* source, uInt len);
int ZLIB_INTERNAL zmemcmp(const Bytef* s1, const Bytef* s2, uInt len);
void ZLIB_INTERNAL zmemzero(Bytef* dest, uInt len);
#endif
/* Diagnostic functions */
#ifdef ZLIB_DEBUG
# include <stdio.h>
extern int ZLIB_INTERNAL z_verbose;
extern void ZLIB_INTERNAL z_error OF((char *m));
extern void ZLIB_INTERNAL z_error(char *m);
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) {if (z_verbose>=0) fprintf x ;}
# define Tracev(x) {if (z_verbose>0) fprintf x ;}
......@@ -257,9 +258,9 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#endif
#ifndef Z_SOLO
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
unsigned size));
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
voidpf ZLIB_INTERNAL zcalloc(voidpf opaque, unsigned items,
unsigned size);
void ZLIB_INTERNAL zcfree(voidpf opaque, voidpf ptr);
#endif
#define ZALLOC(strm, items, size) \
......
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