209 lines
6.9 KiB
C
209 lines
6.9 KiB
C
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/* ioapi.h -- IO base function header for compress/uncompress .zip
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part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
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Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
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Modifications for Zip64 support
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Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
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For more info read MiniZip_info.txt
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Changes
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Oct-2009 - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. (might need to find a better why for this)
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Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux.
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More if/def section may be needed to support other platforms
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Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows.
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(but you should use iowin32.c for windows instead)
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*/
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#ifndef _ZLIBIOAPI64_H
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#define _ZLIBIOAPI64_H
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#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
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// Linux needs this to support file operation on files larger then 4+GB
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// But might need better if/def to select just the platforms that needs them.
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#ifndef __USE_FILE_OFFSET64
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#define __USE_FILE_OFFSET64
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#endif
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#ifndef __USE_LARGEFILE64
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#define __USE_LARGEFILE64
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#endif
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#ifndef _LARGEFILE64_SOURCE
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#define _LARGEFILE64_SOURCE
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#endif
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#ifndef _FILE_OFFSET_BIT
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#define _FILE_OFFSET_BIT 64
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#endif
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "zlib.h"
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#if defined(USE_FILE32API)
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#define fopen64 fopen
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#define ftello64 ftell
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#define fseeko64 fseek
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#else
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#ifdef __FreeBSD__
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#define fopen64 fopen
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#define ftello64 ftello
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#define fseeko64 fseeko
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#endif
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#ifdef _MSC_VER
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#define fopen64 fopen
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#if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
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#define ftello64 _ftelli64
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#define fseeko64 _fseeki64
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#else // old MSC
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#define ftello64 ftell
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#define fseeko64 fseek
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#endif
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#endif
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#endif
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/*
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#ifndef ZPOS64_T
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#ifdef _WIN32
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#define ZPOS64_T fpos_t
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#else
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#include <stdint.h>
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#define ZPOS64_T uint64_t
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#endif
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#endif
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*/
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#ifdef HAVE_MINIZIP64_CONF_H
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#include "mz64conf.h"
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#endif
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/* a type choosen by DEFINE */
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#ifdef HAVE_64BIT_INT_CUSTOM
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typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
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#else
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#ifdef HAS_STDINT_H
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#include "stdint.h"
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typedef uint64_t ZPOS64_T;
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#else
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/* Maximum unsigned 32-bit value used as placeholder for zip64 */
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#define MAXU32 0xffffffff
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#if defined(_MSC_VER) || defined(__BORLANDC__)
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typedef unsigned __int64 ZPOS64_T;
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#else
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typedef unsigned long long int ZPOS64_T;
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#endif
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ZLIB_FILEFUNC_SEEK_CUR (1)
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#define ZLIB_FILEFUNC_SEEK_END (2)
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#define ZLIB_FILEFUNC_SEEK_SET (0)
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#define ZLIB_FILEFUNC_MODE_READ (1)
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#define ZLIB_FILEFUNC_MODE_WRITE (2)
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#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
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#define ZLIB_FILEFUNC_MODE_EXISTING (4)
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#define ZLIB_FILEFUNC_MODE_CREATE (8)
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#ifndef ZCALLBACK
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#if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
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#define ZCALLBACK CALLBACK
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#else
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#define ZCALLBACK
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#endif
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#endif
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typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
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typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
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typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
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typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
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typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
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typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
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typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
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/* here is the "old" 32 bits structure structure */
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typedef struct zlib_filefunc_def_s
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{
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open_file_func zopen_file;
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read_file_func zread_file;
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write_file_func zwrite_file;
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tell_file_func ztell_file;
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seek_file_func zseek_file;
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close_file_func zclose_file;
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testerror_file_func zerror_file;
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voidpf opaque;
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} zlib_filefunc_def;
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typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream));
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typedef long (ZCALLBACK *seek64_file_func) OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
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typedef voidpf (ZCALLBACK *open64_file_func) OF((voidpf opaque, const void* filename, int mode));
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typedef struct zlib_filefunc64_def_s
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{
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open64_file_func zopen64_file;
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read_file_func zread_file;
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write_file_func zwrite_file;
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tell64_file_func ztell64_file;
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seek64_file_func zseek64_file;
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close_file_func zclose_file;
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testerror_file_func zerror_file;
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voidpf opaque;
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} zlib_filefunc64_def;
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void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));
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void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
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/* now internal definition, only for zip.c and unzip.h */
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typedef struct zlib_filefunc64_32_def_s
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{
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zlib_filefunc64_def zfile_func64;
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open_file_func zopen32_file;
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tell_file_func ztell32_file;
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seek_file_func zseek32_file;
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} zlib_filefunc64_32_def;
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#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
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#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
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//#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))
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//#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))
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#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
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#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
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voidpf call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode));
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long call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin));
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ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream));
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void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32);
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#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
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#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))
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#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
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#ifdef __cplusplus
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}
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#endif
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#endif
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