cpl_minizip_ioapi.h

00001 /* Modified version by Even Rouault. :
00002       - change fill_fopen_filefunc to cpl_fill_fopen_filefunc
00003       - Add support for ZIP64
00004 
00005    Copyright (C) 2007-2008 Even Rouault
00006 
00007    Original licence available in port/LICENCE_minizip
00008 */
00009 
00010 /* ioapi.h -- IO base function header for compress/uncompress .zip
00011    files using zlib + zip or unzip API
00012 
00013    Version 1.01e, February 12th, 2005
00014 
00015    Copyright (C) 1998-2005 Gilles Vollant
00016 */
00017 
00018 #ifndef CPL_MINIZIP_IOAPI_H_INCLUDED
00019 #define CPL_MINIZIP_IOAPI_H_INCLUDED
00020 
00021 #include "cpl_vsi.h"
00022 #define uLong64 vsi_l_offset
00023 
00024 #define ZLIB_FILEFUNC_SEEK_CUR (1)
00025 #define ZLIB_FILEFUNC_SEEK_END (2)
00026 #define ZLIB_FILEFUNC_SEEK_SET (0)
00027 
00028 #define ZLIB_FILEFUNC_MODE_READ      (1)
00029 #define ZLIB_FILEFUNC_MODE_WRITE     (2)
00030 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
00031 
00032 #define ZLIB_FILEFUNC_MODE_EXISTING (4)
00033 #define ZLIB_FILEFUNC_MODE_CREATE   (8)
00034 
00035 #ifndef ZCALLBACK
00036 
00037 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
00038 #define ZCALLBACK CALLBACK
00039 #else
00040 #define ZCALLBACK
00041 #endif
00042 #endif
00043 
00044 #ifdef __cplusplus
00045 extern "C" {
00046 #endif
00047 
00048 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
00049 typedef uLong  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
00050 typedef uLong  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
00051 typedef uLong64   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
00052 typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong64 offset, int origin));
00053 typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
00054 typedef int    (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
00055 
00056 typedef struct zlib_filefunc_def_s
00057 {
00058     open_file_func      zopen_file;
00059     read_file_func      zread_file;
00060     write_file_func     zwrite_file;
00061     tell_file_func      ztell_file;
00062     seek_file_func      zseek_file;
00063     close_file_func     zclose_file;
00064     testerror_file_func zerror_file;
00065     voidpf              opaque;
00066 } zlib_filefunc_def;
00067 
00068 
00069 
00070 void cpl_fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
00071 
00072 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
00073 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
00074 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
00075 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
00076 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
00077 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
00078 
00079 
00080 #ifdef __cplusplus
00081 }
00082 #endif
00083 
00084 #endif /* CPL_MINIZIP_IOAPI_H_INCLUDED */