1 /* ioapi.h -- IO base function header for compress/uncompress .zip

     2    files using zlib + zip or unzip API

     3 

     4    Version 1.01e, February 12th, 2005

     5 

     6    Copyright (C) 1998-2005 Gilles Vollant

     7 

     8    Modified by Sergey A. Tachenov to integrate with Qt.

     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, voidpf file, 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 uLong   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));

    44 typedef int   (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_qiodevice_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