/* zconf.h -- configuration of the zlib compression library * Copyright (C) 1995-1998 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ /* @(#) $Id: zconf.h,v 1.1.1.1 2003/06/23 22:18:37 jharrell Exp $ */ #ifndef _ZCONF_H #define _ZCONF_H #if defined(__GNUC__) || defined(__386__) || defined(i386) # ifndef __32BIT__ # define __32BIT__ # endif #endif #if defined(__STDC__) || defined(__cplusplus) # ifndef STDC # define STDC # endif #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. */ /* Maximum value for memLevel in deflateInit2 */ #ifndef MAX_MEM_LEVEL # define MAX_MEM_LEVEL 9 #endif /* Maximum value for windowBits in deflateInit2 and inflateInit2. * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files * created by gzip. (Files created by minigzip can still be extracted by * gzip.) */ #ifndef MAX_WBITS # define MAX_WBITS 15 /* 32K LZ77 window */ #endif /* Type declarations */ #ifndef OF /* function prototypes */ # ifdef STDC # define OF(args) args # else # define OF(args) () # endif #endif #ifndef ZEXPORT # define ZEXPORT #endif #ifndef ZEXPORTVA # define ZEXPORTVA #endif #ifndef ZEXTERN # define ZEXTERN extern #endif #ifndef FAR # define FAR #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; typedef void FAR *voidpf; typedef void *voidp; #include /* for off_t */ #include /* for SEEK_* and off_t */ #define z_off_t off_t #endif /* _ZCONF_H */