1/* zconf.h -- configuration of the zlib compression library 2 * Copyright (C) 1995-1998 Jean-loup Gailly. 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6/* @(#) $Id: zconf.h,v 1.1.1.1 2008/10/15 03:29:28 james26_jang Exp $ */ 7 8#ifndef _ZCONF_H 9#define _ZCONF_H 10 11#if defined(__GNUC__) || defined(__386__) || defined(i386) 12# ifndef __32BIT__ 13# define __32BIT__ 14# endif 15#endif 16 17#if defined(__STDC__) || defined(__cplusplus) 18# ifndef STDC 19# define STDC 20# endif 21#endif 22 23/* The memory requirements for deflate are (in bytes): 24 (1 << (windowBits+2)) + (1 << (memLevel+9)) 25 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) 26 plus a few kilobytes for small objects. For example, if you want to reduce 27 the default memory requirements from 256K to 128K, compile with 28 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" 29 Of course this will generally degrade compression (there's no free lunch). 30 31 The memory requirements for inflate are (in bytes) 1 << windowBits 32 that is, 32K for windowBits=15 (default value) plus a few kilobytes 33 for small objects. 34*/ 35 36/* Maximum value for memLevel in deflateInit2 */ 37#ifndef MAX_MEM_LEVEL 38# define MAX_MEM_LEVEL 9 39#endif 40 41/* Maximum value for windowBits in deflateInit2 and inflateInit2. 42 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files 43 * created by gzip. (Files created by minigzip can still be extracted by 44 * gzip.) 45 */ 46#ifndef MAX_WBITS 47# define MAX_WBITS 15 /* 32K LZ77 window */ 48#endif 49 50 /* Type declarations */ 51 52#ifndef OF /* function prototypes */ 53# ifdef STDC 54# define OF(args) args 55# else 56# define OF(args) () 57# endif 58#endif 59 60#ifndef ZEXPORT 61# define ZEXPORT 62#endif 63#ifndef ZEXPORTVA 64# define ZEXPORTVA 65#endif 66#ifndef ZEXTERN 67# define ZEXTERN extern 68#endif 69#ifndef FAR 70# define FAR 71#endif 72 73typedef unsigned char Byte; /* 8 bits */ 74typedef unsigned int uInt; /* 16 bits or more */ 75typedef unsigned long uLong; /* 32 bits or more */ 76 77typedef Byte FAR Bytef; 78typedef char FAR charf; 79typedef int FAR intf; 80typedef uInt FAR uIntf; 81typedef uLong FAR uLongf; 82 83typedef void FAR *voidpf; 84typedef void *voidp; 85 86#include <linux/types.h> /* for off_t */ 87#include <linux/unistd.h> /* for SEEK_* and off_t */ 88#define z_off_t off_t 89 90#endif /* _ZCONF_H */ 91