/* $NetBSD: zconf.h,v 1.6 2005/02/26 22:58:57 perry Exp $ */ /* zconf.h -- configuration of the zlib compression library * Copyright (C) 1995-2002 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ /* @(#) $Id: zconf.h,v 1.6 2005/02/26 22:58:57 perry Exp $ */ #ifndef _ZCONF_H #define _ZCONF_H /* * Warning: This file pollutes the user's namespace with: * Byte Bytef EXPORT FAR OF STDC * charf intf uInt uIntf uLong uLonf * Programs using this library appear to expect those... */ #include /* * If you *really* need a unique prefix for all types and library functions, * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. */ #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 deflateSetDictionary z_deflateSetDictionary # define deflateCopy z_deflateCopy # define deflateReset z_deflateReset # define deflateParams z_deflateParams # define inflateInit2_ z_inflateInit2_ # define inflateReset z_inflateReset # define compress z_compress # define compress2 z_compress2 # define uncompress z_uncompress # define crc32 z_crc32 # 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 #ifndef __32BIT__ /* Don't be alarmed; this just means we have at least 32-bits */ # define __32BIT__ #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 #if 0 /* XXX: Are there machines where we should define this? m68k? */ # define UNALIGNED_OK #endif #if (defined(__STDC__) || defined(__cplusplus)) && !defined(STDC) /* XXX: Look out - this is used in zutil.h and elsewhere... */ # define STDC #endif #if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) # ifndef STDC # define STDC # endif #endif #ifndef STDC # ifndef const # define const # endif #endif /* Some Mac compilers merge all .h files incorrectly: */ #if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) # define NO_DUMMY_DECL #endif /* Old Borland C incorrectly complains about missing returns: */ #if defined(__BORLANDC__) && (__BORLANDC__ < 0x500) # define NEED_DUMMY_RETURN #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. * 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 /* 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 __P /* function prototypes */ # ifdef STDC # define __P(args) args # else # define __P(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)) && !defined(__32BIT__) /* 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__)) # ifndef __32BIT__ # define SMALL_MEDIUM # define FAR _far # endif #endif /* Compile with -DZLIB_DLL for Windows DLL support */ #if defined(ZLIB_DLL) # if defined(_WINDOWS) || defined(WINDOWS) # ifdef FAR # undef FAR # endif # include # define ZEXPORT WINAPI # ifdef WIN32 # define ZEXPORTVA WINAPIV # else # define ZEXPORTVA FAR _cdecl _export # endif # endif # if defined (__BORLANDC__) # if (__BORLANDC__ >= 0x0500) && defined (WIN32) # include # define ZEXPORT __declspec(dllexport) WINAPI # define ZEXPORTRVA __declspec(dllexport) WINAPIV # else # if defined (_Windows) && defined (__DLL__) # define ZEXPORT _export # define ZEXPORTVA _export # endif # endif # endif #endif #if defined (__BEOS__) # if defined (ZLIB_DLL) # define ZEXTERN extern __declspec(dllexport) # else # define ZEXTERN extern __declspec(dllimport) # endif #endif #ifndef ZEXPORT # define ZEXPORT #endif #ifndef ZEXPORTVA # define ZEXPORTVA #endif #ifndef ZEXTERN # define ZEXTERN extern #endif #ifndef FAR # define FAR #endif #if !defined(MACOS) && !defined(TARGET_OS_MAC) typedef unsigned char Byte; /* 8 bits */ #endif typedef unsigned int uInt; /* 16 bits or more */ typedef unsigned long uLong; /* 32 bits or more */ #ifdef SMALL_MEDIUM /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ # define Bytef Byte FAR #else typedef Byte FAR Bytef; #endif 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 #if defined(HAVE_UNISTD_H) # include /* for off_t */ # include /* for SEEK_* and off_t */ # define z_off_t off_t #endif #ifndef SEEK_SET # define SEEK_SET 0 /* Seek from beginning of file. */ # define SEEK_CUR 1 /* Seek from current position. */ # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ #endif #ifndef z_off_t # define z_off_t long #endif /* MVS linker does not support external names larger than 8 bytes */ #if defined(__MVS__) # pragma map(deflateInit_,"DEIN") # pragma map(deflateInit2_,"DEIN2") # pragma map(deflateEnd,"DEEND") # pragma map(inflateInit_,"ININ") # pragma map(inflateInit2_,"ININ2") # pragma map(inflateEnd,"INEND") # pragma map(inflateSync,"INSY") # pragma map(inflateSetDictionary,"INSEDI") # pragma map(inflate_blocks,"INBL") # pragma map(inflate_blocks_new,"INBLNE") # pragma map(inflate_blocks_free,"INBLFR") # pragma map(inflate_blocks_reset,"INBLRE") # pragma map(inflate_codes_free,"INCOFR") # pragma map(inflate_codes,"INCO") # pragma map(inflate_fast,"INFA") # pragma map(inflate_flush,"INFLU") # pragma map(inflate_mask,"INMA") # pragma map(inflate_set_dictionary,"INSEDI2") # pragma map(inflate_copyright,"INCOPY") # pragma map(inflate_trees_bits,"INTRBI") # pragma map(inflate_trees_dynamic,"INTRDY") # pragma map(inflate_trees_fixed,"INTRFI") # pragma map(inflate_trees_free,"INTRFR") #endif #endif /* _ZCONF_H */