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/* ioapi.h -- IO base function header for compress/uncompress .zip
part of the MiniZip project
Copyright (C) 1998-2010 Gilles Vollant
http://www.winimage.com/zLibDll/minizip.html
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson
http://result42.com
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#ifndef _ZLIBIOAPI64_H
#define _ZLIBIOAPI64_H
#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
# ifndef __USE_FILE_OFFSET64
# define __USE_FILE_OFFSET64
# endif
# ifndef __USE_LARGEFILE64
# define __USE_LARGEFILE64
# endif
# ifndef _LARGEFILE64_SOURCE
# define _LARGEFILE64_SOURCE
# endif
# ifndef _FILE_OFFSET_BIT
# define _FILE_OFFSET_BIT 64
# endif
#endif
#include "zconf.h"
#if defined(USE_FILE32API)
# define fopen64 fopen
# define ftello64 ftell
# define fseeko64 fseek
#else
# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
# define fopen64 fopen
# define ftello64 ftello
# define fseeko64 fseeko
# endif
# ifdef _MSC_VER
# define fopen64 fopen
# if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
# define ftello64 _ftelli64
# define fseeko64 _fseeki64
# else /* old MSC */
# define ftello64 ftell
# define fseeko64 fseek
# endif
# endif
#endif
/* a type choosen by DEFINE */
#ifdef HAVE_64BIT_INT_CUSTOM
typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
#else
# ifdef HAVE_STDINT_H
# include "stdint.h"
typedef uint64_t ZPOS64_T;
# else
# if defined(_MSC_VER) || defined(__BORLANDC__)
typedef unsigned __int64 ZPOS64_T;
# else
typedef unsigned long long int ZPOS64_T;
# endif
# endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
#define ZLIB_FILEFUNC_SEEK_SET (0)
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
# if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) \
&& defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
# define ZCALLBACK CALLBACK
# else
# define ZCALLBACK
# endif
#endif
typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
typedef voidpf (ZCALLBACK *opendisk_file_func) OF((voidpf opaque, voidpf stream, unsigned long number_disk, int mode));
typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
/* here is the "old" 32 bits structure structure */
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
opendisk_file_func zopendisk_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
typedef voidpf (ZCALLBACK *open64_file_func) OF((voidpf opaque, const void* filename, int mode));
typedef voidpf (ZCALLBACK *opendisk64_file_func) OF((voidpf opaque, voidpf stream, unsigned long number_disk, int mode));
typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *seek64_file_func) OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
typedef struct zlib_filefunc64_def_s
{
open64_file_func zopen64_file;
opendisk64_file_func zopendisk64_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell64_file_func ztell64_file;
seek64_file_func zseek64_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc64_def;
void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));
/* now internal definition, only for zip.c and unzip.h */
typedef struct zlib_filefunc64_32_def_s
{
zlib_filefunc64_def zfile_func64;
open_file_func zopen32_file;
opendisk_file_func zopendisk32_file;
tell_file_func ztell32_file;
seek_file_func zseek32_file;
} zlib_filefunc64_32_def;
#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
/*#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))*/
/*#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))*/
#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
voidpf call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode));
voidpf call_zopendisk64 OF((const zlib_filefunc64_32_def* pfilefunc, voidpf filestream, unsigned long number_disk, int mode));
long call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin));
ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream));
void fill_zlib_filefunc64_32_def_from_filefunc32 OF((zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32));
#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
#define ZOPENDISK64(filefunc,filestream,diskn,mode) (call_zopendisk64((&(filefunc)),(filestream),(diskn),(mode)))
#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))
#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
#ifdef __cplusplus
}
#endif
#endif
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