mirror of
https://github.com/reactos/reactos.git
synced 2024-10-29 19:13:58 +00:00
4eead52783
Signed-off-by: Alexandre Julliard <julliard@winehq.org> wine commit id cee281a036cf5e9017d5a25e0cbe75c2bcd2c146 by Alexandre Julliard <julliard@winehq.org>
163 lines
6 KiB
C
163 lines
6 KiB
C
/* zlib.h -- interface of the 'zlib' general purpose compression library
|
|
* version 1.2.11, January 15th, 2017
|
|
*
|
|
* 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
|
|
* jloup@gzip.org madler@alumni.caltech.edu
|
|
*/
|
|
|
|
#ifndef ZLIB_H
|
|
#define ZLIB_H
|
|
|
|
#include "windef.h"
|
|
|
|
#undef FAR
|
|
#define FAR
|
|
#define z_const const
|
|
|
|
typedef unsigned char Byte; /* 8 bits */
|
|
typedef unsigned int uInt; /* 16 bits or more */
|
|
typedef unsigned long uLong; /* 32 bits or more */
|
|
|
|
typedef Byte FAR Bytef;
|
|
typedef void FAR *voidpf;
|
|
|
|
typedef char FAR charf;
|
|
typedef int FAR intf;
|
|
|
|
typedef unsigned char uch;
|
|
typedef uch FAR uchf;
|
|
typedef unsigned short ush;
|
|
typedef ush FAR ushf;
|
|
typedef unsigned long ulg;
|
|
|
|
typedef voidpf (*alloc_func)(voidpf opaque, uInt items, uInt size);
|
|
typedef void (*free_func)(voidpf opaque, voidpf address);
|
|
|
|
struct internal_state;
|
|
|
|
typedef struct z_stream_s {
|
|
z_const Bytef *next_in; /* next input byte */
|
|
uInt avail_in; /* number of bytes available at next_in */
|
|
uLong total_in; /* total number of input bytes read so far */
|
|
|
|
Bytef *next_out; /* next output byte will go here */
|
|
uInt avail_out; /* remaining free space at next_out */
|
|
uLong total_out; /* total number of bytes output so far */
|
|
|
|
z_const char *msg; /* last error message, NULL if no error */
|
|
struct internal_state FAR *state; /* not visible by applications */
|
|
|
|
alloc_func zalloc; /* used to allocate the internal state */
|
|
free_func zfree; /* used to free the internal state */
|
|
voidpf opaque; /* private data object passed to zalloc and zfree */
|
|
|
|
int data_type; /* best guess about the data type: binary or text
|
|
for deflate, or the decoding state for inflate */
|
|
uLong adler; /* Adler-32 or CRC-32 value of the uncompressed data */
|
|
uLong reserved; /* reserved for future use */
|
|
} z_stream;
|
|
|
|
typedef z_stream FAR *z_streamp;
|
|
|
|
/*
|
|
gzip header information passed to and from zlib routines. See RFC 1952
|
|
for more details on the meanings of these fields.
|
|
*/
|
|
typedef struct gz_header_s {
|
|
int text; /* true if compressed data believed to be text */
|
|
uLong time; /* modification time */
|
|
int xflags; /* extra flags (not used when writing a gzip file) */
|
|
int os; /* operating system */
|
|
Bytef *extra; /* pointer to extra field or Z_NULL if none */
|
|
uInt extra_len; /* extra field length (valid if extra != Z_NULL) */
|
|
uInt extra_max; /* space at extra (only when reading header) */
|
|
Bytef *name; /* pointer to zero-terminated file name or Z_NULL */
|
|
uInt name_max; /* space at name (only when reading header) */
|
|
Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */
|
|
uInt comm_max; /* space at comment (only when reading header) */
|
|
int hcrc; /* true if there was or will be a header crc */
|
|
int done; /* true when done reading gzip header (not used
|
|
when writing a gzip file) */
|
|
} gz_header;
|
|
|
|
typedef gz_header FAR *gz_headerp;
|
|
|
|
#define Z_NO_FLUSH 0
|
|
#define Z_PARTIAL_FLUSH 1
|
|
#define Z_SYNC_FLUSH 2
|
|
#define Z_FULL_FLUSH 3
|
|
#define Z_FINISH 4
|
|
#define Z_BLOCK 5
|
|
#define Z_TREES 6
|
|
/* Allowed flush values; see deflate() and inflate() below for details */
|
|
|
|
#define Z_OK 0
|
|
#define Z_STREAM_END 1
|
|
#define Z_NEED_DICT 2
|
|
#define Z_ERRNO (-1)
|
|
#define Z_STREAM_ERROR (-2)
|
|
#define Z_DATA_ERROR (-3)
|
|
#define Z_MEM_ERROR (-4)
|
|
#define Z_BUF_ERROR (-5)
|
|
#define Z_VERSION_ERROR (-6)
|
|
/* Return codes for the compression/decompression functions. Negative values
|
|
* are errors, positive values are used for special but normal events.
|
|
*/
|
|
|
|
#define Z_NO_COMPRESSION 0
|
|
#define Z_BEST_SPEED 1
|
|
#define Z_BEST_COMPRESSION 9
|
|
#define Z_DEFAULT_COMPRESSION (-1)
|
|
/* compression levels */
|
|
|
|
#define Z_FILTERED 1
|
|
#define Z_HUFFMAN_ONLY 2
|
|
#define Z_RLE 3
|
|
#define Z_FIXED 4
|
|
#define Z_DEFAULT_STRATEGY 0
|
|
/* compression strategy; see deflateInit2() below for details */
|
|
|
|
#define Z_BINARY 0
|
|
#define Z_TEXT 1
|
|
#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */
|
|
#define Z_UNKNOWN 2
|
|
/* Possible values of the data_type field for deflate() */
|
|
|
|
#define Z_DEFLATED 8
|
|
/* The deflate compression method (the only one supported in this version) */
|
|
|
|
#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
|
|
|
|
#define MAX_WBITS 15 /* 32K LZ77 window */
|
|
#define MAX_MEM_LEVEL 9
|
|
|
|
extern int inflateInit(z_streamp strm) DECLSPEC_HIDDEN;
|
|
extern int inflateInit2(z_streamp strm, int windowBits) DECLSPEC_HIDDEN;
|
|
extern int inflate(z_streamp strm, int flush) DECLSPEC_HIDDEN;
|
|
extern int inflateEnd(z_streamp strm) DECLSPEC_HIDDEN;
|
|
|
|
extern int deflateInit(z_streamp strm, int level) DECLSPEC_HIDDEN;
|
|
extern int deflateInit2(z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy) DECLSPEC_HIDDEN;
|
|
extern int deflate(z_streamp strm, int flush) DECLSPEC_HIDDEN;
|
|
extern int deflateEnd(z_streamp strm) DECLSPEC_HIDDEN;
|
|
|
|
#endif /* ZLIB_H */
|