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293 lines
8.2 KiB
293 lines
8.2 KiB
/* zconf.h -- configuration of the zlib compression library |
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* Copyright (C) 1995-2003 Jean-loup Gailly. |
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* For conditions of distribution and use, see copyright notice in zlib.h |
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*/ |
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/* @(#) $Id$ */ |
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#ifndef ZCONF_H |
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#define ZCONF_H |
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/* |
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* If you *really* need a unique prefix for all types and library functions, |
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* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. |
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*/ |
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#ifdef Z_PREFIX |
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# define deflateInit_ z_deflateInit_ |
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# define deflate z_deflate |
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# define deflateEnd z_deflateEnd |
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# define inflateInit_ z_inflateInit_ |
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# define inflate z_inflate |
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# define inflateEnd z_inflateEnd |
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# define deflateInit2_ z_deflateInit2_ |
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# define deflateSetDictionary z_deflateSetDictionary |
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# define deflateCopy z_deflateCopy |
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# define deflateReset z_deflateReset |
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# define deflateParams z_deflateParams |
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# define deflateBound z_deflateBound |
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# define inflateInit2_ z_inflateInit2_ |
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# define inflateSetDictionary z_inflateSetDictionary |
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# define inflateSync z_inflateSync |
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# define inflateSyncPoint z_inflateSyncPoint |
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# define inflateCopy z_inflateCopy |
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# define inflateReset z_inflateReset |
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# define compress z_compress |
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# define compress2 z_compress2 |
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# define compressBound z_compressBound |
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# define uncompress z_uncompress |
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# define adler32 z_adler32 |
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# define crc32 z_crc32 |
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# define get_crc_table z_get_crc_table |
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# define Byte z_Byte |
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# define uInt z_uInt |
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# define uLong z_uLong |
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# define Bytef z_Bytef |
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# define charf z_charf |
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# define intf z_intf |
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# define uIntf z_uIntf |
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# define uLongf z_uLongf |
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# define voidpf z_voidpf |
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# define voidp z_voidp |
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#endif |
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#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) |
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# define WIN32 |
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#endif |
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#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386) |
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# ifndef __32BIT__ |
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# define __32BIT__ |
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# endif |
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#endif |
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#if defined(__MSDOS__) && !defined(MSDOS) |
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# define MSDOS |
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#endif |
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/* |
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* Compile with -DMAXSEG_64K if the alloc function cannot allocate more |
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* than 64k bytes at a time (needed on systems with 16-bit int). |
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*/ |
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#if defined(MSDOS) && !defined(__32BIT__) |
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# define MAXSEG_64K |
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#endif |
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#ifdef MSDOS |
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# define UNALIGNED_OK |
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#endif |
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#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC) |
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# define STDC |
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#endif |
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#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__) |
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# ifndef STDC |
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# define STDC |
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# endif |
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#endif |
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#if defined __HOS_AIX__ |
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# ifndef STDC |
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# define STDC |
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# endif |
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#endif |
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#ifndef STDC |
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# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ |
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# define const /* note: need a more gentle solution here */ |
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# endif |
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#endif |
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/* Some Mac compilers merge all .h files incorrectly: */ |
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#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__) |
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# define NO_DUMMY_DECL |
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#endif |
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/* Maximum value for memLevel in deflateInit2 */ |
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#ifndef MAX_MEM_LEVEL |
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# ifdef MAXSEG_64K |
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# define MAX_MEM_LEVEL 8 |
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# else |
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# define MAX_MEM_LEVEL 9 |
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# endif |
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#endif |
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/* Maximum value for windowBits in deflateInit2 and inflateInit2. |
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* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files |
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* created by gzip. (Files created by minigzip can still be extracted by |
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* gzip.) |
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*/ |
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#ifndef MAX_WBITS |
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# define MAX_WBITS 15 /* 32K LZ77 window */ |
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#endif |
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/* The memory requirements for deflate are (in bytes): |
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(1 << (windowBits+2)) + (1 << (memLevel+9)) |
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that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) |
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plus a few kilobytes for small objects. For example, if you want to reduce |
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the default memory requirements from 256K to 128K, compile with |
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make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" |
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Of course this will generally degrade compression (there's no free lunch). |
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The memory requirements for inflate are (in bytes) 1 << windowBits |
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that is, 32K for windowBits=15 (default value) plus a few kilobytes |
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for small objects. |
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*/ |
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/* Type declarations */ |
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#ifndef OF /* function prototypes */ |
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# ifdef STDC |
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# define OF(args) args |
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# else |
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# define OF(args) () |
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# endif |
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#endif |
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/* The following definitions for FAR are needed only for MSDOS mixed |
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* model programming (small or medium model with some far allocations). |
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* This was tested only with MSC; for other MSDOS compilers you may have |
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* to define NO_MEMCPY in zutil.h. If you don't need the mixed model, |
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* just define FAR to be empty. |
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*/ |
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#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__) |
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/* MSC small or medium model */ |
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# define SMALL_MEDIUM |
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# ifdef _MSC_VER |
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# define FAR _far |
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# else |
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# define FAR far |
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# endif |
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#endif |
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#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__)) |
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# ifndef __32BIT__ |
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# define SMALL_MEDIUM |
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# define FAR _far |
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# endif |
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#endif |
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/* If building or using a Windows DLL, compile with -DZLIB_DLL. |
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* The calls to ZEXTERN functions will be more efficient this way. |
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*/ |
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#if defined(_WINDOWS) || defined(WINDOWS) || defined(WIN32) |
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# ifdef FAR |
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# undef FAR |
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# endif |
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/* For zlib, the basic Win32 API declarations are sufficient. Whenever |
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* a program that uses zlib requires the full Win32 API set, it has |
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* to include <windows.h> prior to "zlib.h". |
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*/ |
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# if defined(WIN32) && (!defined(WIN32_LEAN_AND_MEAN)) |
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# define WIN32_LEAN_AND_MEAN |
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# endif |
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# include <windows.h> |
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# if !defined(WIN32) || (defined(__BORLANDC__) && (__BORLANDC__ < 0x500)) |
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# if defined(ZLIB_DLL) && defined(ZLIB_INTERNAL) |
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# define ZEXPORT WINAPI _export |
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# define ZEXPORTVA FAR _cdecl _export |
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# else |
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# define ZEXPORT FAR _cdecl |
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# define ZEXPORTVA FAR _cdecl |
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# endif |
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# else |
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/* a fully Win32-compliant compiler */ |
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# define ZEXPORTVA CDECL |
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# ifdef ZLIB_DLL |
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# define ZEXPORT WINAPI |
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# ifdef ZLIB_INTERNAL |
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# define ZEXTERN extern __declspec(dllexport) |
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# else |
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# define ZEXTERN extern __declspec(dllimport) |
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# endif |
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# else |
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# define ZEXPORT CDECL |
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# define ZEXTERN extern |
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# endif |
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# endif |
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#endif |
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#if defined (__BEOS__) |
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# ifdef ZLIB_DLL |
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# ifdef ZLIB_INTERNAL |
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# define ZEXPORT __declspec(dllexport) |
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# define ZEXPORTVA __declspec(dllexport) |
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# else |
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# define ZEXPORT __declspec(dllimport) |
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# define ZEXPORTVA __declspec(dllimport) |
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# endif |
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# endif |
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#endif |
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#ifndef ZEXPORT |
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# define ZEXPORT |
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#endif |
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#ifndef ZEXPORTVA |
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# define ZEXPORTVA |
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#endif |
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#ifndef ZEXTERN |
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# define ZEXTERN extern |
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#endif |
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#ifndef FAR |
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# define FAR |
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#endif |
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#if !defined(__MACTYPES__) |
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typedef unsigned char Byte; /* 8 bits */ |
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#endif |
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typedef unsigned int uInt; /* 16 bits or more */ |
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typedef unsigned long uLong; /* 32 bits or more */ |
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#ifdef SMALL_MEDIUM |
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/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ |
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# define Bytef Byte FAR |
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#else |
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typedef Byte FAR Bytef; |
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#endif |
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typedef char FAR charf; |
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typedef int FAR intf; |
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typedef uInt FAR uIntf; |
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typedef uLong FAR uLongf; |
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#ifdef STDC |
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typedef void const *voidpc; |
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typedef void FAR *voidpf; |
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typedef void *voidp; |
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#else |
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typedef Byte const *voidpc; |
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typedef Byte FAR *voidpf; |
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typedef Byte *voidp; |
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#endif |
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#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ |
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# include <sys/types.h> /* for off_t */ |
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# include <unistd.h> /* for SEEK_* and off_t */ |
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# ifdef VMS |
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# include <unixio.h> /* for off_t */ |
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# endif |
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# define z_off_t off_t |
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#endif |
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#ifndef SEEK_SET |
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# define SEEK_SET 0 /* Seek from beginning of file. */ |
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# define SEEK_CUR 1 /* Seek from current position. */ |
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# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ |
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#endif |
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#ifndef z_off_t |
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# define z_off_t long |
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#endif |
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/* MVS linker does not support external names larger than 8 bytes */ |
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#if defined(__MVS__) |
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# pragma map(deflateInit_,"DEIN") |
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# pragma map(deflateInit2_,"DEIN2") |
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# pragma map(deflateEnd,"DEEND") |
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# pragma map(deflateBound,"DEBND") |
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# pragma map(inflateInit_,"ININ") |
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# pragma map(inflateInit2_,"ININ2") |
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# pragma map(inflateEnd,"INEND") |
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# pragma map(inflateSync,"INSY") |
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# pragma map(inflateSetDictionary,"INSEDI") |
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# pragma map(compressBound,"CMBND") |
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# pragma map(inflate_table,"INTABL") |
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# pragma map(inflate_fast,"INFA") |
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# pragma map(inflate_copyright,"INCOPY") |
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#endif |
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#endif /* ZCONF_H */
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