pvpgn_zutil.h
上传用户:tany51
上传日期:2013-06-12
资源大小:1397k
文件大小:6k
- /* zutil.h -- internal interface and configuration of the compression library
- * Copyright (C) 1995-2002 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.
- */
- #ifndef _Z_UTIL_H
- #define _Z_UTIL_H
- #include "common/setup_before.h"
- #include "zlib/pvpgn_zlib.h"
- #ifdef HAVE_STDDEF_H
- # include <stddef.h>
- #else
- # ifndef NULL
- # define NULL ((void *)0)
- # endif
- #endif
- #ifdef HAVE_STRING_H
- # include <string.h>
- #else
- # ifdef HAVE_STRINGS_H
- # include <strings.h>
- # endif
- #endif
- #ifdef STDC_HEADERS
- # include <stdlib.h>
- #else
- # ifdef HAVE_MALLOC_H
- # include <malloc.h>
- # endif
- #endif
- #ifdef NO_ERRNO_H
- extern int errno;
- #else
- # include <errno.h>
- #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 *pvpgn_z_errmsg[10]; /* indexed by 2-zlib_error */
- /* (size given to avoid silly warnings with Visual C++) */
- #define ERR_MSG(err) pvpgn_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 */
- #ifdef MSDOS
- # define OS_CODE 0x00
- # 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
- #ifdef OS2
- # define OS_CODE 0x06
- #endif
- #ifdef WIN32 /* Window 95 & Windows NT */
- # define OS_CODE 0x0b
- #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
- #ifdef AMIGA
- # define OS_CODE 0x01
- #endif
- #if defined(ATARI) || defined(atarist)
- # define OS_CODE 0x05
- #endif
- #if defined(MACOS) || defined(TARGET_OS_MAC)
- # define OS_CODE 0x07
- # 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
- #ifdef __50SERIES /* Prime/PRIMOS */
- # define OS_CODE 0x0F
- #endif
- #ifdef TOPS20
- # define OS_CODE 0x0a
- #endif
- #if defined(_BEOS_) || defined(RISCOS)
- # define fdopen(fd,mode) NULL /* No fdopen() */
- #endif
- #if (defined(_MSC_VER) && (_MSC_VER > 600))
- # define fdopen(fd,type) _fdopen(fd,type)
- #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 */
- #ifdef HAVE_STRERROR
- extern char *strerror OF((int));
- # define zstrerror(errnum) strerror(errnum)
- #else
- # define zstrerror(errnum) ""
- #endif
- #if defined(pyr)
- # 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
- extern void pvpgn_zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
- extern int pvpgn_zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
- extern void pvpgn_zmemzero OF((Bytef* dest, uInt len));
- #endif
- /* Diagnostic functions */
- #ifdef DEBUG
- # include <stdio.h>
- extern int pvpgn_z_verbose;
- extern void pvpgn_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
- typedef uLong (ZEXPORT *check_func) OF((uLong check, const Bytef *buf,
- uInt len));
- voidpf pvpgn_zcalloc OF((voidpf opaque, unsigned items, unsigned size));
- void pvpgn_zcfree OF((voidpf opaque, voidpf ptr));
- #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);}
- #endif /* _Z_UTIL_H */