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Commit 4ca2d7e4 by Carlos Martín Nieto
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Update zlib to 1.2.8

parent ab6a3d3d
Showing with 659 additions and 246 deletions
deps/zlib/adler32.c
/* adler32.c -- compute the Adler-32 checksum of a data stream /* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2007 Mark Adler * Copyright (C) 1995-2011 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -9,9 +9,9 @@ ...@@ -9,9 +9,9 @@
#define local static #define local static
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2); local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#define BASE 65521UL /* largest prime smaller than 65536 */ #define BASE 65521 /* largest prime smaller than 65536 */
#define NMAX 5552 #define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
...@@ -21,39 +21,44 @@ local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2); ...@@ -21,39 +21,44 @@ local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4); #define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8); #define DO16(buf) DO8(buf,0); DO8(buf,8);
/* use NO_DIVIDE if your processor does not do division in hardware */ /* use NO_DIVIDE if your processor does not do division in hardware --
try it both ways to see which is faster */
#ifdef NO_DIVIDE #ifdef NO_DIVIDE
# define MOD(a) \ /* note that this assumes BASE is 65521, where 65536 % 65521 == 15
(thank you to John Reiser for pointing this out) */
# define CHOP(a) \
do { \
unsigned long tmp = a >> 16; \
a &= 0xffffUL; \
a += (tmp << 4) - tmp; \
} while (0)
# define MOD28(a) \
do { \ do { \
if (a >= (BASE << 16)) a -= (BASE << 16); \ CHOP(a); \
if (a >= (BASE << 15)) a -= (BASE << 15); \
if (a >= (BASE << 14)) a -= (BASE << 14); \
if (a >= (BASE << 13)) a -= (BASE << 13); \
if (a >= (BASE << 12)) a -= (BASE << 12); \
if (a >= (BASE << 11)) a -= (BASE << 11); \
if (a >= (BASE << 10)) a -= (BASE << 10); \
if (a >= (BASE << 9)) a -= (BASE << 9); \
if (a >= (BASE << 8)) a -= (BASE << 8); \
if (a >= (BASE << 7)) a -= (BASE << 7); \
if (a >= (BASE << 6)) a -= (BASE << 6); \
if (a >= (BASE << 5)) a -= (BASE << 5); \
if (a >= (BASE << 4)) a -= (BASE << 4); \
if (a >= (BASE << 3)) a -= (BASE << 3); \
if (a >= (BASE << 2)) a -= (BASE << 2); \
if (a >= (BASE << 1)) a -= (BASE << 1); \
if (a >= BASE) a -= BASE; \ if (a >= BASE) a -= BASE; \
} while (0) } while (0)
# define MOD4(a) \ # define MOD(a) \
do { \ do { \
if (a >= (BASE << 4)) a -= (BASE << 4); \ CHOP(a); \
if (a >= (BASE << 3)) a -= (BASE << 3); \ MOD28(a); \
if (a >= (BASE << 2)) a -= (BASE << 2); \ } while (0)
if (a >= (BASE << 1)) a -= (BASE << 1); \ # define MOD63(a) \
do { /* this assumes a is not negative */ \
z_off64_t tmp = a >> 32; \
a &= 0xffffffffL; \
a += (tmp << 8) - (tmp << 5) + tmp; \
tmp = a >> 16; \
a &= 0xffffL; \
a += (tmp << 4) - tmp; \
tmp = a >> 16; \
a &= 0xffffL; \
a += (tmp << 4) - tmp; \
if (a >= BASE) a -= BASE; \ if (a >= BASE) a -= BASE; \
} while (0) } while (0)
#else #else
# define MOD(a) a %= BASE # define MOD(a) a %= BASE
# define MOD4(a) a %= BASE # define MOD28(a) a %= BASE
# define MOD63(a) a %= BASE
#endif #endif
/* ========================================================================= */ /* ========================================================================= */
...@@ -92,7 +97,7 @@ uLong ZEXPORT adler32(adler, buf, len) ...@@ -92,7 +97,7 @@ uLong ZEXPORT adler32(adler, buf, len)
} }
if (adler >= BASE) if (adler >= BASE)
adler -= BASE; adler -= BASE;
MOD4(sum2); /* only added so many BASE's */ MOD28(sum2); /* only added so many BASE's */
return adler | (sum2 << 16); return adler | (sum2 << 16);
} }
...@@ -137,8 +142,13 @@ local uLong adler32_combine_(adler1, adler2, len2) ...@@ -137,8 +142,13 @@ local uLong adler32_combine_(adler1, adler2, len2)
unsigned long sum2; unsigned long sum2;
unsigned rem; unsigned rem;
/* for negative len, return invalid adler32 as a clue for debugging */
if (len2 < 0)
return 0xffffffffUL;
/* the derivation of this formula is left as an exercise for the reader */ /* the derivation of this formula is left as an exercise for the reader */
rem = (unsigned)(len2 % BASE); MOD63(len2); /* assumes len2 >= 0 */
rem = (unsigned)len2;
sum1 = adler1 & 0xffff; sum1 = adler1 & 0xffff;
sum2 = rem * sum1; sum2 = rem * sum1;
MOD(sum2); MOD(sum2);
......
deps/zlib/compress.c 0 → 100644
/* compress.c -- compress a memory buffer
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#define ZLIB_INTERNAL
#include "zlib.h"
/* ===========================================================================
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 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,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream;
int err;
stream.next_in = (z_const 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;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
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;
err = deflateEnd(&stream);
return err;
}
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
}
/* ===========================================================================
If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated.
*/
uLong ZEXPORT compressBound (sourceLen)
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
(sourceLen >> 25) + 13;
}
deps/zlib/deflate.h
/* deflate.h -- internal compression state /* deflate.h -- internal compression state
* Copyright (C) 1995-2010 Jean-loup Gailly * Copyright (C) 1995-2012 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -48,6 +48,9 @@ ...@@ -48,6 +48,9 @@
#define MAX_BITS 15 #define MAX_BITS 15
/* All codes must not exceed MAX_BITS bits */ /* All codes must not exceed MAX_BITS bits */
#define Buf_size 16
/* size of bit buffer in bi_buf */
#define INIT_STATE 42 #define INIT_STATE 42
#define EXTRA_STATE 69 #define EXTRA_STATE 69
#define NAME_STATE 73 #define NAME_STATE 73
...@@ -101,7 +104,7 @@ typedef struct internal_state { ...@@ -101,7 +104,7 @@ typedef struct internal_state {
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
gz_headerp gzhead; /* gzip header information to write */ gz_headerp gzhead; /* gzip header information to write */
uInt gzindex; /* where in extra, name, or comment */ uInt gzindex; /* where in extra, name, or comment */
Byte method; /* STORED (for zip only) or DEFLATED */ Byte method; /* can only be DEFLATED */
int last_flush; /* value of flush param for previous deflate call */ int last_flush; /* value of flush param for previous deflate call */
/* used by deflate.c: */ /* used by deflate.c: */
...@@ -188,7 +191,7 @@ typedef struct internal_state { ...@@ -188,7 +191,7 @@ typedef struct internal_state {
int nice_match; /* Stop searching when current match exceeds this */ int nice_match; /* Stop searching when current match exceeds this */
/* used by trees.c: */ /* used by trees.c: */
/* Didn't use ct_data typedef below to supress compiler warning */ /* Didn't use ct_data typedef below to suppress compiler warning */
struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
...@@ -244,7 +247,7 @@ typedef struct internal_state { ...@@ -244,7 +247,7 @@ typedef struct internal_state {
ulg opt_len; /* bit length of current block with optimal trees */ ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */ ulg static_len; /* bit length of current block with static trees */
uInt matches; /* number of string matches in current block */ uInt matches; /* number of string matches in current block */
int last_eob_len; /* bit length of EOB code for last block */ uInt insert; /* bytes at end of window left to insert */
#ifdef DEBUG #ifdef DEBUG
ulg compressed_len; /* total bit length of compressed file mod 2^32 */ ulg compressed_len; /* total bit length of compressed file mod 2^32 */
...@@ -294,6 +297,7 @@ void ZLIB_INTERNAL _tr_init OF((deflate_state *s)); ...@@ -294,6 +297,7 @@ void ZLIB_INTERNAL _tr_init OF((deflate_state *s));
int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); 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, void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last)); 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_align OF((deflate_state *s));
void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf, void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last)); ulg stored_len, int last));
......
deps/zlib/gzclose.c 0 → 100644
/* gzclose.c -- zlib gzclose() function
* Copyright (C) 2004, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "gzguts.h"
/* gzclose() is in a separate file so that it is linked in only if it is used.
That way the other gzclose functions can be used instead to avoid linking in
unneeded compression or decompression routines. */
int ZEXPORT gzclose(file)
gzFile file;
{
#ifndef NO_GZCOMPRESS
gz_statep state;
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
#else
return gzclose_r(file);
#endif
}
deps/zlib/gzguts.h 0 → 100644
/* gzguts.h -- zlib internal header definitions for gz* operations
* Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifdef _LARGEFILE64_SOURCE
# ifndef _LARGEFILE_SOURCE
# define _LARGEFILE_SOURCE 1
# endif
# ifdef _FILE_OFFSET_BITS
# undef _FILE_OFFSET_BITS
# endif
#endif
#ifdef HAVE_HIDDEN
# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else
# define ZLIB_INTERNAL
#endif
#include <stdio.h>
#include "zlib.h"
#ifdef STDC
# include <string.h>
# include <stdlib.h>
# include <limits.h>
#endif
#include <fcntl.h>
#ifdef _WIN32
# include <stddef.h>
#endif
#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32)
# include <io.h>
#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
#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#if defined(__CYGWIN__)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#ifndef HAVE_VSNPRINTF
# ifdef MSDOS
/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
but for now we just assume it doesn't. */
# define NO_vsnprintf
# endif
# ifdef __TURBOC__
# define NO_vsnprintf
# endif
# ifdef WIN32
/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
# if !defined(vsnprintf) && !defined(NO_vsnprintf)
# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
# define vsnprintf _vsnprintf
# endif
# endif
# endif
# ifdef __SASC
# define NO_vsnprintf
# endif
# ifdef VMS
# define NO_vsnprintf
# endif
# ifdef __OS400__
# define NO_vsnprintf
# endif
# ifdef __MVS__
# define NO_vsnprintf
# endif
#endif
/* unlike snprintf (which is required in C99, yet still not supported by
Microsoft more than a decade later!), _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 */
#ifdef _MSC_VER
# define snprintf _snprintf
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
/* gz* functions always use library allocation functions */
#ifndef STDC
extern voidp malloc OF((uInt size));
extern void free OF((voidpf ptr));
#endif
/* get errno and strerror definition */
#if defined UNDER_CE
# include <windows.h>
# define zstrerror() gz_strwinerror((DWORD)GetLastError())
#else
# ifndef NO_STRERROR
# include <errno.h>
# define zstrerror() strerror(errno)
# else
# define zstrerror() "stdio error (consult errno)"
# endif
#endif
/* 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));
#endif
/* default memLevel */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* 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 */
#define GZ_NONE 0
#define GZ_READ 7247
#define GZ_WRITE 31153
#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */
/* values for gz_state how */
#define LOOK 0 /* look for a gzip header */
#define COPY 1 /* copy input directly */
#define GZIP 2 /* decompress a gzip stream */
/* internal gzip file state data structure */
typedef struct {
/* exposed contents for gzgetc() macro */
struct gzFile_s x; /* "x" for exposed */
/* x.have: number of bytes available at x.next */
/* x.next: next output data to deliver or write */
/* x.pos: current position in uncompressed data */
/* used for both reading and writing */
int mode; /* see gzip modes above */
int fd; /* file descriptor */
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 *out; /* output buffer (double-sized when reading) */
int direct; /* 0 if processing gzip, 1 if transparent */
/* just for reading */
int how; /* 0: get header, 1: copy, 2: decompress */
z_off64_t start; /* where the gzip data started, for rewinding */
int eof; /* true if end of input file reached */
int past; /* true if read requested past end */
/* just for writing */
int level; /* compression level */
int strategy; /* compression strategy */
/* seek request */
z_off64_t skip; /* amount to skip (already rewound if backwards) */
int seek; /* true if seek request pending */
/* error information */
int err; /* error code */
char *msg; /* error message */
/* zlib inflate or deflate stream */
z_stream strm; /* stream structure in-place (not a pointer) */
} gz_state;
typedef gz_state FAR *gz_statep;
/* shared functions */
void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
#if defined UNDER_CE
char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
#endif
/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
value -- needed when comparing unsigned to z_off64_t, which is signed
(possible z_off64_t types off_t, off64_t, and long are all signed) */
#ifdef INT_MAX
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
#else
unsigned ZLIB_INTERNAL gz_intmax OF((void));
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
#endif
deps/zlib/inffast.c
/* inffast.c -- fast decoding /* inffast.c -- fast decoding
* Copyright (C) 1995-2008, 2010 Mark Adler * Copyright (C) 1995-2008, 2010, 2013 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -69,8 +69,8 @@ z_streamp strm; ...@@ -69,8 +69,8 @@ z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */ unsigned start; /* inflate()'s starting value for strm->avail_out */
{ {
struct inflate_state FAR *state; struct inflate_state FAR *state;
unsigned char FAR *in; /* local strm->next_in */ z_const unsigned char FAR *in; /* local strm->next_in */
unsigned char FAR *last; /* while in < last, enough input available */ z_const unsigned char FAR *last; /* have enough input while in < last */
unsigned char FAR *out; /* local strm->next_out */ unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */ unsigned char FAR *end; /* while out < end, enough space available */
......
deps/zlib/inffixed.h
...@@ -2,9 +2,9 @@ ...@@ -2,9 +2,9 @@
* Generated automatically by makefixed(). * Generated automatically by makefixed().
*/ */
/* WARNING: this file should *not* be used by applications. It /* WARNING: this file should *not* be used by applications.
is part of the implementation of the compression library and It is part of the implementation of this library and is
is subject to change. Applications should only use zlib.h. subject to change. Applications should only use zlib.h.
*/ */
static const code lenfix[512] = { static const code lenfix[512] = {
......
deps/zlib/inftrees.c
/* inftrees.c -- generate Huffman trees for efficient decoding /* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2010 Mark Adler * Copyright (C) 1995-2013 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -9,7 +9,7 @@ ...@@ -9,7 +9,7 @@
#define MAXBITS 15 #define MAXBITS 15
const char inflate_copyright[] = const char inflate_copyright[] =
" inflate 1.2.5 Copyright 1995-2010 Mark Adler "; " inflate 1.2.8 Copyright 1995-2013 Mark Adler ";
/* /*
If you use the zlib library in a product, an acknowledgment is welcome 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 in the documentation of your product. If for some reason you cannot
...@@ -62,7 +62,7 @@ unsigned short FAR *work; ...@@ -62,7 +62,7 @@ unsigned short FAR *work;
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; 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 */ 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, 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, 73, 195}; 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ 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, 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, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
...@@ -208,8 +208,8 @@ unsigned short FAR *work; ...@@ -208,8 +208,8 @@ unsigned short FAR *work;
mask = used - 1; /* mask for comparing low */ mask = used - 1; /* mask for comparing low */
/* check available table space */ /* check available table space */
if ((type == LENS && used >= ENOUGH_LENS) || if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS)) (type == DISTS && used > ENOUGH_DISTS))
return 1; return 1;
/* process all codes and make table entries */ /* process all codes and make table entries */
...@@ -277,8 +277,8 @@ unsigned short FAR *work; ...@@ -277,8 +277,8 @@ unsigned short FAR *work;
/* check for enough space */ /* check for enough space */
used += 1U << curr; used += 1U << curr;
if ((type == LENS && used >= ENOUGH_LENS) || if ((type == LENS && used > ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS)) (type == DISTS && used > ENOUGH_DISTS))
return 1; return 1;
/* point entry in root table to sub-table */ /* point entry in root table to sub-table */
...@@ -289,38 +289,14 @@ unsigned short FAR *work; ...@@ -289,38 +289,14 @@ unsigned short FAR *work;
} }
} }
/* /* fill in remaining table entry if code is incomplete (guaranteed to have
Fill in rest of table for incomplete codes. This loop is similar to the at most one remaining entry, since if the code is incomplete, the
loop above in incrementing huff for table indices. It is assumed that maximum code length that was allowed to get this far is one bit) */
len is equal to curr + drop, so there is no loop needed to increment if (huff != 0) {
through high index bits. When the current sub-table is filled, the loop here.op = (unsigned char)64; /* invalid code marker */
drops back to the root table to fill in any remaining entries there. here.bits = (unsigned char)(len - drop);
*/ here.val = (unsigned short)0;
here.op = (unsigned char)64; /* invalid code marker */ next[huff] = here;
here.bits = (unsigned char)(len - drop);
here.val = (unsigned short)0;
while (huff != 0) {
/* when done with sub-table, drop back to root table */
if (drop != 0 && (huff & mask) != low) {
drop = 0;
len = root;
next = *table;
here.bits = (unsigned char)len;
}
/* put invalid code marker in table */
next[huff >> drop] = here;
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
} }
/* set return parameters */ /* set return parameters */
......
deps/zlib/trees.c
/* trees.c -- output deflated data using Huffman coding /* trees.c -- output deflated data using Huffman coding
* Copyright (C) 1995-2010 Jean-loup Gailly * Copyright (C) 1995-2012 Jean-loup Gailly
* detect_data_type() function provided freely by Cosmin Truta, 2006 * detect_data_type() function provided freely by Cosmin Truta, 2006
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -74,11 +74,6 @@ local const uch bl_order[BL_CODES] ...@@ -74,11 +74,6 @@ local const uch bl_order[BL_CODES]
* probability, to avoid transmitting the lengths for unused bit length codes. * probability, to avoid transmitting the lengths for unused bit length codes.
*/ */
#define Buf_size (8 * 2*sizeof(char))
/* Number of bits used within bi_buf. (bi_buf might be implemented on
* more than 16 bits on some systems.)
*/
/* =========================================================================== /* ===========================================================================
* Local data. These are initialized only once. * Local data. These are initialized only once.
*/ */
...@@ -151,8 +146,8 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); ...@@ -151,8 +146,8 @@ local void send_tree OF((deflate_state *s, ct_data *tree, int max_code));
local int build_bl_tree OF((deflate_state *s)); local int build_bl_tree OF((deflate_state *s));
local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes,
int blcodes)); int blcodes));
local void compress_block OF((deflate_state *s, ct_data *ltree, local void compress_block OF((deflate_state *s, const ct_data *ltree,
ct_data *dtree)); const ct_data *dtree));
local int detect_data_type OF((deflate_state *s)); local int detect_data_type OF((deflate_state *s));
local unsigned bi_reverse OF((unsigned value, int length)); local unsigned bi_reverse OF((unsigned value, int length));
local void bi_windup OF((deflate_state *s)); local void bi_windup OF((deflate_state *s));
...@@ -399,7 +394,6 @@ void ZLIB_INTERNAL _tr_init(s) ...@@ -399,7 +394,6 @@ void ZLIB_INTERNAL _tr_init(s)
s->bi_buf = 0; s->bi_buf = 0;
s->bi_valid = 0; s->bi_valid = 0;
s->last_eob_len = 8; /* enough lookahead for inflate */
#ifdef DEBUG #ifdef DEBUG
s->compressed_len = 0L; s->compressed_len = 0L;
s->bits_sent = 0L; s->bits_sent = 0L;
...@@ -883,15 +877,17 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last) ...@@ -883,15 +877,17 @@ void ZLIB_INTERNAL _tr_stored_block(s, buf, stored_len, last)
} }
/* =========================================================================== /* ===========================================================================
* Flush the bits in the bit buffer to pending output (leaves at most 7 bits)
*/
void ZLIB_INTERNAL _tr_flush_bits(s)
deflate_state *s;
{
bi_flush(s);
}
/* ===========================================================================
* Send one empty static block to give enough lookahead for inflate. * Send one empty static block to give enough lookahead for inflate.
* This takes 10 bits, of which 7 may remain in the bit buffer. * This takes 10 bits, of which 7 may remain in the bit buffer.
* The current inflate code requires 9 bits of lookahead. If the
* last two codes for the previous block (real code plus EOB) were coded
* on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode
* the last real code. In this case we send two empty static blocks instead
* of one. (There are no problems if the previous block is stored or fixed.)
* To simplify the code, we assume the worst case of last real code encoded
* on one bit only.
*/ */
void ZLIB_INTERNAL _tr_align(s) void ZLIB_INTERNAL _tr_align(s)
deflate_state *s; deflate_state *s;
...@@ -902,20 +898,6 @@ void ZLIB_INTERNAL _tr_align(s) ...@@ -902,20 +898,6 @@ void ZLIB_INTERNAL _tr_align(s)
s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ s->compressed_len += 10L; /* 3 for block type, 7 for EOB */
#endif #endif
bi_flush(s); bi_flush(s);
/* Of the 10 bits for the empty block, we have already sent
* (10 - bi_valid) bits. The lookahead for the last real code (before
* the EOB of the previous block) was thus at least one plus the length
* of the EOB plus what we have just sent of the empty static block.
*/
if (1 + s->last_eob_len + 10 - s->bi_valid < 9) {
send_bits(s, STATIC_TREES<<1, 3);
send_code(s, END_BLOCK, static_ltree);
#ifdef DEBUG
s->compressed_len += 10L;
#endif
bi_flush(s);
}
s->last_eob_len = 7;
} }
/* =========================================================================== /* ===========================================================================
...@@ -990,7 +972,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) ...@@ -990,7 +972,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
} else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) {
#endif #endif
send_bits(s, (STATIC_TREES<<1)+last, 3); send_bits(s, (STATIC_TREES<<1)+last, 3);
compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); compress_block(s, (const ct_data *)static_ltree,
(const ct_data *)static_dtree);
#ifdef DEBUG #ifdef DEBUG
s->compressed_len += 3 + s->static_len; s->compressed_len += 3 + s->static_len;
#endif #endif
...@@ -998,7 +981,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last) ...@@ -998,7 +981,8 @@ void ZLIB_INTERNAL _tr_flush_block(s, buf, stored_len, last)
send_bits(s, (DYN_TREES<<1)+last, 3); send_bits(s, (DYN_TREES<<1)+last, 3);
send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1,
max_blindex+1); max_blindex+1);
compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); compress_block(s, (const ct_data *)s->dyn_ltree,
(const ct_data *)s->dyn_dtree);
#ifdef DEBUG #ifdef DEBUG
s->compressed_len += 3 + s->opt_len; s->compressed_len += 3 + s->opt_len;
#endif #endif
...@@ -1075,8 +1059,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc) ...@@ -1075,8 +1059,8 @@ int ZLIB_INTERNAL _tr_tally (s, dist, lc)
*/ */
local void compress_block(s, ltree, dtree) local void compress_block(s, ltree, dtree)
deflate_state *s; deflate_state *s;
ct_data *ltree; /* literal tree */ const ct_data *ltree; /* literal tree */
ct_data *dtree; /* distance tree */ const ct_data *dtree; /* distance tree */
{ {
unsigned dist; /* distance of matched string */ unsigned dist; /* distance of matched string */
int lc; /* match length or unmatched char (if dist == 0) */ int lc; /* match length or unmatched char (if dist == 0) */
...@@ -1118,7 +1102,6 @@ local void compress_block(s, ltree, dtree) ...@@ -1118,7 +1102,6 @@ local void compress_block(s, ltree, dtree)
} while (lx < s->last_lit); } while (lx < s->last_lit);
send_code(s, END_BLOCK, ltree); send_code(s, END_BLOCK, ltree);
s->last_eob_len = ltree[END_BLOCK].Len;
} }
/* =========================================================================== /* ===========================================================================
...@@ -1226,7 +1209,6 @@ local void copy_block(s, buf, len, header) ...@@ -1226,7 +1209,6 @@ local void copy_block(s, buf, len, header)
int header; /* true if block header must be written */ int header; /* true if block header must be written */
{ {
bi_windup(s); /* align on byte boundary */ bi_windup(s); /* align on byte boundary */
s->last_eob_len = 8; /* enough lookahead for inflate */
if (header) { if (header) {
put_short(s, (ush)len); put_short(s, (ush)len);
......
deps/zlib/uncompr.c 0 → 100644
/* uncompr.c -- decompress a memory buffer
* Copyright (C) 1995-2003, 2010 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#define ZLIB_INTERNAL
#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.
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.
*/
int ZEXPORT uncompress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
z_stream stream;
int err;
stream.next_in = (z_const 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;
}
deps/zlib/zutil.c
/* zutil.c -- target dependent utility functions for the compression library /* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2005, 2010 Jean-loup Gailly. * Copyright (C) 1995-2005, 2010, 2011, 2012 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
/* @(#) $Id$ */ /* @(#) $Id$ */
#include "zutil.h" #include "zutil.h"
#ifndef Z_SOLO
# include "gzguts.h"
#endif
#ifndef NO_DUMMY_DECL #ifndef NO_DUMMY_DECL
struct internal_state {int dummy;}; /* for buggy compilers */ struct internal_state {int dummy;}; /* for buggy compilers */
#endif #endif
const char * const z_errmsg[10] = { z_const char * const z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */ "need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */ "stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */ "", /* Z_OK 0 */
...@@ -85,27 +88,27 @@ uLong ZEXPORT zlibCompileFlags() ...@@ -85,27 +88,27 @@ uLong ZEXPORT zlibCompileFlags()
#ifdef FASTEST #ifdef FASTEST
flags += 1L << 21; flags += 1L << 21;
#endif #endif
#ifdef STDC #if defined(STDC) || defined(Z_HAVE_STDARG_H)
# ifdef NO_vsnprintf # ifdef NO_vsnprintf
flags += 1L << 25; flags += 1L << 25;
# ifdef HAS_vsprintf_void # ifdef HAS_vsprintf_void
flags += 1L << 26; flags += 1L << 26;
# endif # endif
# else # else
# ifdef HAS_vsnprintf_void # ifdef HAS_vsnprintf_void
flags += 1L << 26; flags += 1L << 26;
# endif # endif
# endif # endif
#else #else
flags += 1L << 24; flags += 1L << 24;
# ifdef NO_snprintf # ifdef NO_snprintf
flags += 1L << 25; flags += 1L << 25;
# ifdef HAS_sprintf_void # ifdef HAS_sprintf_void
flags += 1L << 26; flags += 1L << 26;
# endif # endif
# else # else
# ifdef HAS_snprintf_void # ifdef HAS_snprintf_void
flags += 1L << 26; flags += 1L << 26;
# endif # endif
# endif # endif
#endif #endif
...@@ -181,6 +184,7 @@ void ZLIB_INTERNAL zmemzero(dest, len) ...@@ -181,6 +184,7 @@ void ZLIB_INTERNAL zmemzero(dest, len)
} }
#endif #endif
#ifndef Z_SOLO
#ifdef SYS16BIT #ifdef SYS16BIT
...@@ -316,3 +320,5 @@ void ZLIB_INTERNAL zcfree (opaque, ptr) ...@@ -316,3 +320,5 @@ void ZLIB_INTERNAL zcfree (opaque, ptr)
} }
#endif /* MY_ZCALLOC */ #endif /* MY_ZCALLOC */
#endif /* !Z_SOLO */
deps/zlib/zutil.h
/* zutil.h -- internal interface and configuration of the compression library /* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2010 Jean-loup Gailly. * Copyright (C) 1995-2013 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h * For conditions of distribution and use, see copyright notice in zlib.h
*/ */
...@@ -13,7 +13,7 @@ ...@@ -13,7 +13,7 @@
#ifndef ZUTIL_H #ifndef ZUTIL_H
#define ZUTIL_H #define ZUTIL_H
#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) #ifdef HAVE_HIDDEN
# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else #else
# define ZLIB_INTERNAL # define ZLIB_INTERNAL
...@@ -21,7 +21,7 @@ ...@@ -21,7 +21,7 @@
#include "zlib.h" #include "zlib.h"
#ifdef STDC #if defined(STDC) && !defined(Z_SOLO)
# if !(defined(_WIN32_WCE) && defined(_MSC_VER)) # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
# include <stddef.h> # include <stddef.h>
# endif # endif
...@@ -29,6 +29,10 @@ ...@@ -29,6 +29,10 @@
# include <stdlib.h> # include <stdlib.h>
#endif #endif
#ifdef Z_SOLO
typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
#endif
#ifndef local #ifndef local
# define local static # define local static
#endif #endif
...@@ -40,13 +44,13 @@ typedef unsigned short ush; ...@@ -40,13 +44,13 @@ typedef unsigned short ush;
typedef ush FAR ushf; typedef ush FAR ushf;
typedef unsigned long ulg; typedef unsigned long ulg;
extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */ /* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm,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 */ /* To be used only when the state is known to be valid */
/* common constants */ /* common constants */
...@@ -78,16 +82,18 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -78,16 +82,18 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
# define OS_CODE 0x00 # define OS_CODE 0x00
# if defined(__TURBOC__) || defined(__BORLANDC__) # ifndef Z_SOLO
# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) # if defined(__TURBOC__) || defined(__BORLANDC__)
/* Allow compilation with ANSI keywords only enabled */ # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
void _Cdecl farfree( void *block ); /* Allow compilation with ANSI keywords only enabled */
void *_Cdecl farmalloc( unsigned long nbytes ); void _Cdecl farfree( void *block );
# else void *_Cdecl farmalloc( unsigned long nbytes );
# include <alloc.h> # else
# include <alloc.h>
# endif
# else /* MSC or DJGPP */
# include <malloc.h>
# endif # endif
# else /* MSC or DJGPP */
# include <malloc.h>
# endif # endif
#endif #endif
...@@ -107,18 +113,20 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -107,18 +113,20 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
#ifdef OS2 #ifdef OS2
# define OS_CODE 0x06 # define OS_CODE 0x06
# ifdef M_I86 # if defined(M_I86) && !defined(Z_SOLO)
# include <malloc.h> # include <malloc.h>
# endif # endif
#endif #endif
#if defined(MACOS) || defined(TARGET_OS_MAC) #if defined(MACOS) || defined(TARGET_OS_MAC)
# define OS_CODE 0x07 # define OS_CODE 0x07
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os # ifndef Z_SOLO
# include <unix.h> /* for fdopen */ # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# else # include <unix.h> /* for fdopen */
# ifndef fdopen # else
# define fdopen(fd,mode) NULL /* No fdopen() */ # ifndef fdopen
# define fdopen(fd,mode) NULL /* No fdopen() */
# endif
# endif # endif
# endif # endif
#endif #endif
...@@ -153,14 +161,15 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -153,14 +161,15 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# endif # endif
#endif #endif
#if defined(__BORLANDC__) #if defined(__BORLANDC__) && !defined(MSDOS)
#pragma warn -8004 #pragma warn -8004
#pragma warn -8008 #pragma warn -8008
#pragma warn -8066 #pragma warn -8066
#endif #endif
/* provide prototypes for these when building zlib without LFS */ /* provide prototypes for these when building zlib without LFS */
#if !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 adler32_combine64 OF((uLong, uLong, z_off_t));
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t)); ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
#endif #endif
...@@ -177,42 +186,7 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -177,42 +186,7 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* functions */ /* functions */
#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) #if defined(pyr) || defined(Z_SOLO)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#if defined(__CYGWIN__)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#ifndef HAVE_VSNPRINTF
# ifdef MSDOS
/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
but for now we just assume it doesn't. */
# define NO_vsnprintf
# endif
# ifdef __TURBOC__
# define NO_vsnprintf
# endif
# ifdef WIN32
/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
# if !defined(vsnprintf) && !defined(NO_vsnprintf)
# if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
# define vsnprintf _vsnprintf
# endif
# endif
# endif
# ifdef __SASC
# define NO_vsnprintf
# endif
#endif
#ifdef VMS
# define NO_vsnprintf
#endif
#if defined(pyr)
# define NO_MEMCPY # define NO_MEMCPY
#endif #endif
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
...@@ -261,14 +235,19 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ ...@@ -261,14 +235,19 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
# define Tracecv(c,x) # define Tracecv(c,x)
#endif #endif
#ifndef Z_SOLO
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items, voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
unsigned size)); unsigned size));
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr)); void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
#endif
#define ZALLOC(strm, items, size) \ #define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size)) (*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
/* Reverse the bytes in a 32-bit value */
#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
(((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
#endif /* ZUTIL_H */ #endif /* ZUTIL_H */
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