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ioapi.h revision 1.1 
      1 /*	$NetBSD: ioapi.h,v 1.1 2006/01/14 20:10:57 christos Exp $	*/
      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 
     78