common/dist/zlib/contrib/minizip/ioapi.h

   1 /*      $NetBSD$        */
   2
   3 /* ioapi.h -- IO base function header for compress/uncompress .zip
   4    files using zlib + zip or unzip API
   5
   6    Version 1.01e, February 12th, 2005
   7
   8    Copyright (C) 1998-2005 Gilles Vollant
   9 */
  10
  11 #ifndef _ZLIBIOAPI_H
  12 #define _ZLIBIOAPI_H
  13
  14
  15 #define ZLIB_FILEFUNC_SEEK_CUR (1)
  16 #define ZLIB_FILEFUNC_SEEK_END (2)
  17 #define ZLIB_FILEFUNC_SEEK_SET (0)
  18
  19 #define ZLIB_FILEFUNC_MODE_READ      (1)
  20 #define ZLIB_FILEFUNC_MODE_WRITE     (2)
  21 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
  22
  23 #define ZLIB_FILEFUNC_MODE_EXISTING (4)
  24 #define ZLIB_FILEFUNC_MODE_CREATE   (8)
  25
  26
  27 #ifndef ZCALLBACK
  28
  29 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
  30 #define ZCALLBACK CALLBACK
  31 #else
  32 #define ZCALLBACK
  33 #endif
  34 #endif
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
  41 typedef uLong  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
  42 typedef uLong  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
  43 typedef long   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
  44 typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
  45 typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
  46 typedef int    (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
  47
  48 typedef struct zlib_filefunc_def_s
  49 {
  50     open_file_func      zopen_file;
  51     read_file_func      zread_file;
  52     write_file_func     zwrite_file;
  53     tell_file_func      ztell_file;
  54     seek_file_func      zseek_file;
  55     close_file_func     zclose_file;
  56     testerror_file_func zerror_file;
  57     voidpf              opaque;
  58 } zlib_filefunc_def;
  59
  60
  61
  62 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
  63
  64 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
  65 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
  66 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
  67 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
  68 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
  69 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
  70
  71
  72 #ifdef __cplusplus
  73 }
  74 #endif
  75
  76 #endif
  77