text: /* ioapi.h -- IO base function header for compress/uncompress .zip
     part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
  
           Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
  
           Modifications for Zip64 support
           Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
  
           For more info read MiniZip_info.txt
  
           Changes
  
      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)
      Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux.
                 More if/def section may be needed to support other platforms
      Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows.
                            (but you should use iowin32.c for windows instead)
  
  */
  
  #ifndef _ZLIBIOAPI64_H
  #define _ZLIBIOAPI64_H
  
  #if (!defined(_WIN32)) && (!defined(WIN32))
  
    // Linux needs this to support file operation on files larger then 4+GB
    // But might need better if/def to select just the platforms that needs them.
  
          #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 <stdio.h>
  #include <stdlib.h>
  #include <zlib.h>
  
  #if defined(USE_FILE32API)
  #define fopen64 fopen
  #define ftello64 ftell
  #define fseeko64 fseek
  #else
  #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
  
  /*
  #ifndef ZPOS64_T
    #ifdef _WIN32
                  #define ZPOS64_T fpos_t
    #else
      #include <stdint.h>
      #define ZPOS64_T uint64_t
    #endif
  #endif
  */
  
  #ifdef HAVE_MINIZIP64_CONF_H
  #include "mz64conf.h"
  #endif
  
  /* a type choosen by DEFINE */
  #ifdef HAVE_64BIT_INT_CUSTOM
  typedef  64BIT_INT_CUSTOM_TYPE ZPOS64_T;
  #else
  #ifdef HAS_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 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;
      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 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 voidpf   (ZCALLBACK *open64_file_func)    OF((voidpf opaque, const void* filename, int mode));
  
  typedef struct zlib_filefunc64_def_s
  {
      open64_file_func    zopen64_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_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));
  void fill_fopen_filefunc OF((zlib_filefunc_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;
      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));
  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(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32);
  
  #define ZOPEN64(filefunc,filename,mode)         (call_zopen64((&(filefunc)),(filename),(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
  