text: /* ioapi.h -- IO base function header for compress/uncompress .zip
     files using zlib + zip or unzip API
  
     Version 1.01e, February 12th, 2005
  
     Copyright (C) 1998-2005 Gilles Vollant
  
     Unicode support by Jim Park -- 08/28/2007
  */
  
  #ifndef _ZLIBIOAPI_H
  #define _ZLIBIOAPI_H
  
  #include "../../ExDLL/nsis_tchar.h"
  
  
  #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 (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
  #define ZCALLBACK CALLBACK
  #else
  #define ZCALLBACK
  #endif
  #endif
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const TCHAR* 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 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));
  typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
  typedef int    (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
  
  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;
  
  
  
  void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
  
  #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
  #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
  #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
  #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
  #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
  #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  
  