mirror of https://github.com/madler/zlib.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
166 lines
4.5 KiB
166 lines
4.5 KiB
/* zconf.h -- configuration of the zlib compression library |
|
* Copyright (C) 1995-1996 Jean-loup Gailly. |
|
* For conditions of distribution and use, see copyright notice in zlib.h |
|
*/ |
|
|
|
/* $Id: zconf.h,v 1.12 1995/05/03 17:27:12 jloup Exp $ */ |
|
|
|
#ifndef _ZCONF_H |
|
#define _ZCONF_H |
|
|
|
/* |
|
* People prefering a unique prefix for all types and library functions |
|
* should compile with -DZ_PREFIX |
|
*/ |
|
#ifdef Z_PREFIX |
|
# define deflateInit_ z_deflateInit_ |
|
# define deflate z_deflate |
|
# define deflateEnd z_deflateEnd |
|
# define inflateInit_ z_inflateInit_ |
|
# define inflate z_inflate |
|
# define inflateEnd z_inflateEnd |
|
# define deflateInit2_ z_deflateInit2_ |
|
# define deflateCopy z_deflateCopy |
|
# define deflateReset z_deflateReset |
|
# define deflateParams z_deflateParams |
|
# define inflateInit2_ z_inflateInit2_ |
|
# define inflateSync z_inflateSync |
|
# define inflateReset z_inflateReset |
|
# define compress z_compress |
|
# define uncompress z_uncompress |
|
# define adler32 z_adler32 |
|
# define crc32 z_crc32 |
|
# define get_crc_table z_get_crc_table |
|
|
|
# define Byte z_Byte |
|
# define uInt z_uInt |
|
# define uLong z_uLong |
|
# define Bytef z_Bytef |
|
# define charf z_charf |
|
# define intf z_intf |
|
# define uIntf z_uIntf |
|
# define uLongf z_uLongf |
|
# define voidpf z_voidpf |
|
# define voidp z_voidp |
|
#endif |
|
|
|
#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) |
|
# define WIN32 |
|
#endif |
|
#if (defined(__GNUC__) || defined(WIN32)) && !defined(__32BIT__) |
|
# define __32BIT__ |
|
#endif |
|
#if defined(__MSDOS__) && !defined(MSDOS) |
|
# define MSDOS |
|
#endif |
|
|
|
/* |
|
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more |
|
* than 64k bytes at a time (needed on systems with 16-bit int). |
|
*/ |
|
#if defined(MSDOS) && !defined(__32BIT__) |
|
# define MAXSEG_64K |
|
#endif |
|
#ifdef MSDOS |
|
# define UNALIGNED_OK |
|
#endif |
|
|
|
#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) |
|
# define STDC |
|
#endif |
|
#if (defined(__STDC__) || defined(__cplusplus)) && !defined(STDC) |
|
# define STDC |
|
#endif |
|
|
|
#if !defined(STDC) && !defined(const) |
|
# define const |
|
#endif |
|
|
|
#ifdef __MWERKS__ /* Metrowerks CodeWarrior declares fileno() in unix.h */ |
|
# include <unix.h> |
|
# define Byte _Byte /* Byte already used on Mac */ |
|
#endif |
|
|
|
/* Maximum value for memLevel in deflateInit2 */ |
|
#ifndef MAX_MEM_LEVEL |
|
# ifdef MAXSEG_64K |
|
# define MAX_MEM_LEVEL 8 |
|
# else |
|
# define MAX_MEM_LEVEL 9 |
|
# endif |
|
#endif |
|
|
|
/* Maximum value for windowBits in deflateInit2 and inflateInit2 */ |
|
#ifndef MAX_WBITS |
|
# define MAX_WBITS 15 /* 32K LZ77 window */ |
|
#endif |
|
|
|
/* The memory requirements for deflate are (in bytes): |
|
1 << (windowBits+2) + 1 << (memLevel+9) |
|
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) |
|
plus a few kilobytes for small objects. For example, if you want to reduce |
|
the default memory requirements from 256K to 128K, compile with |
|
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" |
|
Of course this will generally degrade compression (there's no free lunch). |
|
|
|
The memory requirements for inflate are (in bytes) 1 << windowBits |
|
that is, 32K for windowBits=15 (default value) plus a few kilobytes |
|
for small objects. |
|
*/ |
|
|
|
/* Type declarations */ |
|
|
|
#ifndef OF /* function prototypes */ |
|
# ifdef STDC |
|
# define OF(args) args |
|
# else |
|
# define OF(args) () |
|
# endif |
|
#endif |
|
|
|
/* The following definitions for FAR are needed only for MSDOS mixed |
|
* model programming (small or medium model with some far allocations). |
|
* This was tested only with MSC; for other MSDOS compilers you may have |
|
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model, |
|
* just define FAR to be empty. |
|
*/ |
|
#if defined(M_I86SM) || defined(M_I86MM) /* MSC small or medium model */ |
|
# define SMALL_MEDIUM |
|
# ifdef _MSC_VER |
|
# define FAR __far |
|
# else |
|
# define FAR far |
|
# endif |
|
#endif |
|
#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) |
|
# define SMALL_MEDIUM |
|
# define FAR __far |
|
#endif |
|
#ifndef FAR |
|
# define FAR |
|
#endif |
|
/* The Watcom compiler defines M_I86SM and __SMALL__ even in 32 bit mode */ |
|
#if defined(__WATCOMC__) && defined(__386__) |
|
# undef FAR |
|
# undef SMALL_MEDIUM |
|
#endif |
|
|
|
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 char FAR charf; |
|
typedef int FAR intf; |
|
typedef uInt FAR uIntf; |
|
typedef uLong FAR uLongf; |
|
|
|
#ifdef STDC |
|
typedef void FAR *voidpf; |
|
typedef void *voidp; |
|
#else |
|
typedef Byte FAR *voidpf; |
|
typedef Byte *voidp; |
|
#endif |
|
|
|
#endif /* _ZCONF_H */
|
|
|