mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-24 13:01:48 +00:00
252 lines
6.6 KiB
C
252 lines
6.6 KiB
C
/* zutil.h -- internal interface and configuration of the compression library
|
|
* Copyright (C) 1995-2012 Jean-loup Gailly.
|
|
* For conditions of distribution and use, see copyright notice in zlib.h
|
|
*/
|
|
|
|
/* WARNING: this file should *not* be used by applications. It is
|
|
part of the implementation of the compression library and is
|
|
subject to change. Applications should only use zlib.h.
|
|
*/
|
|
|
|
/* @(#) $Id$ */
|
|
|
|
#ifndef ZUTIL_H
|
|
#define ZUTIL_H
|
|
|
|
#ifdef HAVE_HIDDEN
|
|
# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
|
|
#else
|
|
# define ZLIB_INTERNAL
|
|
#endif
|
|
|
|
#include "zlib.h"
|
|
|
|
#if defined(STDC) && !defined(Z_SOLO)
|
|
# if !(defined(_WIN32_WCE) && defined(_MSC_VER))
|
|
# include <stddef.h>
|
|
# endif
|
|
# include <string.h>
|
|
# 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 */
|
|
|
|
typedef unsigned char uch;
|
|
typedef uch FAR uchf;
|
|
typedef unsigned short ush;
|
|
typedef ush FAR ushf;
|
|
typedef unsigned long ulg;
|
|
|
|
extern 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))
|
|
/* To be used only when the state is known to be valid */
|
|
|
|
/* common constants */
|
|
|
|
#ifndef DEF_WBITS
|
|
# define DEF_WBITS MAX_WBITS
|
|
#endif
|
|
/* default windowBits for decompression. MAX_WBITS is for compression only */
|
|
|
|
#if MAX_MEM_LEVEL >= 8
|
|
# define DEF_MEM_LEVEL 8
|
|
#else
|
|
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
|
|
#endif
|
|
/* default memLevel */
|
|
|
|
#define STORED_BLOCK 0
|
|
#define STATIC_TREES 1
|
|
#define DYN_TREES 2
|
|
/* The three kinds of block type */
|
|
|
|
#define MIN_MATCH 3
|
|
#define MAX_MATCH 258
|
|
/* The minimum and maximum match lengths */
|
|
|
|
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
|
|
|
|
/* target dependencies */
|
|
|
|
#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
|
|
# define OS_CODE 0x00
|
|
# ifndef Z_SOLO
|
|
# if defined(__TURBOC__) || defined(__BORLANDC__)
|
|
# if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
|
|
/* Allow compilation with ANSI keywords only enabled */
|
|
void _Cdecl farfree( void *block );
|
|
void *_Cdecl farmalloc( unsigned long nbytes );
|
|
# else
|
|
# include <alloc.h>
|
|
# endif
|
|
# else /* MSC or DJGPP */
|
|
# include <malloc.h>
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef AMIGA
|
|
# define OS_CODE 0x01
|
|
#endif
|
|
|
|
#if defined(VAXC) || defined(VMS)
|
|
# define OS_CODE 0x02
|
|
# define F_OPEN(name, mode) \
|
|
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
|
|
#endif
|
|
|
|
#if defined(ATARI) || defined(atarist)
|
|
# define OS_CODE 0x05
|
|
#endif
|
|
|
|
#ifdef OS2
|
|
# define OS_CODE 0x06
|
|
# if defined(M_I86) && !defined(Z_SOLO)
|
|
# include <malloc.h>
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(MACOS) || defined(TARGET_OS_MAC)
|
|
# define OS_CODE 0x07
|
|
# ifndef Z_SOLO
|
|
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
|
|
# include <unix.h> /* for fdopen */
|
|
# else
|
|
# ifndef fdopen
|
|
# define fdopen(fd,mode) NULL /* No fdopen() */
|
|
# endif
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef TOPS20
|
|
# define OS_CODE 0x0a
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
|
|
# define OS_CODE 0x0b
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __50SERIES /* Prime/PRIMOS */
|
|
# define OS_CODE 0x0f
|
|
#endif
|
|
|
|
#if defined(_BEOS_) || defined(RISCOS)
|
|
# define fdopen(fd,mode) NULL /* No fdopen() */
|
|
#endif
|
|
|
|
#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
|
|
#endif
|
|
|
|
#if defined(__BORLANDC__) && !defined(MSDOS)
|
|
#pragma warn -8004
|
|
#pragma warn -8008
|
|
#pragma warn -8066
|
|
#endif
|
|
|
|
/* 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));
|
|
#endif
|
|
|
|
/* common defaults */
|
|
|
|
#ifndef OS_CODE
|
|
# define OS_CODE 0x03 /* assume Unix */
|
|
#endif
|
|
|
|
#ifndef F_OPEN
|
|
# define F_OPEN(name, mode) fopen((name), (mode))
|
|
#endif
|
|
|
|
/* functions */
|
|
|
|
#if defined(pyr) || defined(Z_SOLO)
|
|
# define NO_MEMCPY
|
|
#endif
|
|
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
|
|
/* Use our own functions for small and medium model with MSC <= 5.0.
|
|
* You may have to use the same strategy for Borland C (untested).
|
|
* The __SC__ check is for Symantec.
|
|
*/
|
|
# define NO_MEMCPY
|
|
#endif
|
|
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
|
|
# define HAVE_MEMCPY
|
|
#endif
|
|
#ifdef HAVE_MEMCPY
|
|
# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
|
|
# define zmemcpy _fmemcpy
|
|
# define zmemcmp _fmemcmp
|
|
# define zmemzero(dest, len) _fmemset(dest, 0, len)
|
|
# else
|
|
# define zmemcpy memcpy
|
|
# define zmemcmp memcmp
|
|
# 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));
|
|
#endif
|
|
|
|
/* Diagnostic functions */
|
|
#ifdef DEBUG
|
|
# include <stdio.h>
|
|
extern int ZLIB_INTERNAL z_verbose;
|
|
extern void ZLIB_INTERNAL z_error OF((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 ;}
|
|
# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
|
|
# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
|
|
# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
|
|
#else
|
|
# define Assert(cond,msg)
|
|
# define Trace(x)
|
|
# define Tracev(x)
|
|
# define Tracevv(x)
|
|
# define Tracec(c,x)
|
|
# define Tracecv(c,x)
|
|
#endif
|
|
|
|
#ifndef Z_SOLO
|
|
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
|
|
unsigned size));
|
|
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
|
|
#endif
|
|
|
|
#define ZALLOC(strm, items, size) \
|
|
(*((strm)->zalloc))((strm)->opaque, (items), (size))
|
|
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
|
|
#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 */
|