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Imported from pngcrush-1.6.5.tar

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This commit is contained in:
Glenn Randers-Pehrson
2008-05-10 08:58:19 -05:00
parent ea25b6b078
commit 8f3268f4af
40 changed files with 2279 additions and 10821 deletions
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92
zlib.h
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@@ -1,7 +1,7 @@
/* zlib.h -- interface of the 'zlib' general purpose compression library
version 1.2.3, July 18th, 2005
version 1.2.3.3, October 2nd, 2006
Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler
Copyright (C) 1995-2006 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
@@ -37,8 +37,11 @@
extern "C" {
#endif
#define ZLIB_VERSION "1.2.3"
#define ZLIB_VERNUM 0x1230
#define ZLIB_VERSION "1.2.3.3"
#define ZLIB_VERNUM 0x1233
#define ZLIB_VER_MAJOR 1
#define ZLIB_VER_MINOR 2
#define ZLIB_VER_REVISION 3
/*
The 'zlib' compression library provides in-memory compression and
@@ -157,6 +160,8 @@ typedef gz_header FAR *gz_headerp;
a single step).
*/
#define INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
/* constants */
#define Z_NO_FLUSH 0
@@ -353,10 +358,14 @@ ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm));
inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
version assumed by the caller. msg is set to null if there is no error
message. inflateInit does not perform any decompression apart from reading
the zlib header if present: this will be done by inflate(). (So next_in and
avail_in may be modified, but next_out and avail_out are unchanged.)
version assumed by the caller, or Z_STREAM_ERROR if the parameters are
invalid, such as a null pointer to the structure. msg is set to null if
there is no error message. inflateInit does not perform any decompression
apart from possibly reading the zlib header if present: actual decompression
will be done by inflate(). (So next_in and avail_in may be modified, but
next_out and avail_out are unused and unchanged.) The current
implementation of inflateInit() does not process any header information --
that is deferred until inflate() is called.
*/
@@ -645,9 +654,10 @@ ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm,
uLong sourceLen));
/*
deflateBound() returns an upper bound on the compressed size after
deflation of sourceLen bytes. It must be called after deflateInit()
or deflateInit2(). This would be used to allocate an output buffer
for deflation in a single pass, and so would be called before deflate().
deflation of sourceLen bytes. It must be called after deflateInit() or
deflateInit2(), and after deflateSetHeader(), if used. This would be used
to allocate an output buffer for deflation in a single pass, and so would be
called before deflate().
*/
ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm,
@@ -726,11 +736,15 @@ ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm,
a crc32 instead of an adler32.
inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_STREAM_ERROR if a parameter is invalid (such as a null strm). msg
is set to null if there is no error message. inflateInit2 does not perform
any decompression apart from reading the zlib header if present: this will
be done by inflate(). (So next_in and avail_in may be modified, but next_out
and avail_out are unchanged.)
memory, Z_VERSION_ERROR if the zlib library version is incompatible with the
version assumed by the caller, or Z_STREAM_ERROR if the parameters are
invalid, such as a null pointer to the structure. msg is set to null if
there is no error message. inflateInit2 does not perform any decompression
apart from possibly reading the zlib header if present: actual decompression
will be done by inflate(). (So next_in and avail_in may be modified, but
next_out and avail_out are unused and unchanged.) The current
implementation of inflateInit2() does not process any header information --
that is deferred until inflate() is called.
*/
ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm,
@@ -1065,8 +1079,9 @@ ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen,
typedef voidp gzFile;
ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
/*
ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
Opens a gzip (.gz) file for reading or writing. The mode parameter
is as in fopen ("rb" or "wb") but can also include a compression level
("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for
@@ -1180,9 +1195,10 @@ ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
degrade compression.
*/
/*
ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
z_off_t offset, int whence));
/*
Sets the starting position for the next gzread or gzwrite on the
given compressed file. The offset represents a number of bytes in the
uncompressed data stream. The whence parameter is defined as in lseek(2);
@@ -1205,8 +1221,9 @@ ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
*/
ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
/*
ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
Returns the starting position for the next gzread or gzwrite on the
given compressed file. This position represents a number of bytes in the
uncompressed data stream.
@@ -1230,7 +1247,8 @@ ZEXTERN int ZEXPORT gzclose OF((gzFile file));
/*
Flushes all pending output if necessary, closes the compressed file
and deallocates all the (de)compression state. The return value is the zlib
error number (see function gzerror below).
error number. Note that once file is close, you cannot call gzerror with
file, since its structures have been deallocated.
*/
ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
@@ -1240,6 +1258,9 @@ ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
error occurred in the file system and not in the compression library,
errnum is set to Z_ERRNO and the application may consult errno
to get the exact error code.
The application must not modify the returned string and future calls to
this function may invalidate the returned string.
*/
ZEXTERN void ZEXPORT gzclearerr OF((gzFile file));
@@ -1273,9 +1294,10 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
if (adler != original_adler) error();
*/
/*
ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
z_off_t len2));
/*
Combine two Adler-32 checksums into one. For two sequences of bytes, seq1
and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for
each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of
@@ -1298,9 +1320,9 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
if (crc != original_crc) error();
*/
/*
ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));
/*
Combine two CRC-32 check values into one. For two sequences of bytes,
seq1 and seq2 with lengths len1 and len2, CRC-32 check values were
calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32
@@ -1339,16 +1361,38 @@ ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits,
inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
#define inflateBackInit(strm, windowBits, window) \
inflateBackInit_((strm), (windowBits), (window), \
ZLIB_VERSION, sizeof(z_stream))
ZLIB_VERSION, sizeof(z_stream))
#ifdef _LARGEFILE64_SOURCE
ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
ZEXTERN off64_t ZEXPORT gzseek64 OF((gzFile, off64_t, int));
ZEXTERN off64_t ZEXPORT gztell64 OF((gzFile));
ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, off64_t));
ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, off64_t));
#endif
#if _FILE_OFFSET_BITS == 64
# define gzopen gzopen64
# define gzseek gzseek64
# define gztell gztell64
# define adler32_combine adler32_combine64
# define crc32_combine crc32_combine64
#else
ZEXTERN gzFile ZEXPORT gzopen OF((const char *, const char *));
ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile, z_off_t, int));
ZEXTERN z_off_t ZEXPORT gztell OF((gzFile));
ZEXTERN uLong ZEXPORT adler32_combine OF((uLong, uLong, z_off_t));
ZEXTERN uLong ZEXPORT crc32_combine OF((uLong, uLong, z_off_t));
#endif
#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL)
struct internal_state {int dummy;}; /* hack for buggy compilers */
#endif
ZEXTERN const char * ZEXPORT zError OF((int));
ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp z));
ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp));
ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void));
ZEXTERN int ZEXPORT inflateUndermine OF((z_streamp, int));
#ifdef __cplusplus
}