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) 2008-2012, Even Rouault <even dot rouault at mines-paris dot org>
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 /* Gentoo removed OF from their copy of zconf.h (https://bugs.gentoo.org/show_bug.cgi?id=383179) */
00025 /* but our copy of minizip needs it. */
00026 #ifndef OF
00027 #define OF(args) args
00028 #endif
00029 
00030 #define ZLIB_FILEFUNC_SEEK_CUR (1)
00031 #define ZLIB_FILEFUNC_SEEK_END (2)
00032 #define ZLIB_FILEFUNC_SEEK_SET (0)
00033 
00034 #define ZLIB_FILEFUNC_MODE_READ      (1)
00035 #define ZLIB_FILEFUNC_MODE_WRITE     (2)
00036 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
00037 
00038 #define ZLIB_FILEFUNC_MODE_EXISTING (4)
00039 #define ZLIB_FILEFUNC_MODE_CREATE   (8)
00040 
00041 #ifndef ZCALLBACK
00042 
00043 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
00044 #define ZCALLBACK CALLBACK
00045 #else
00046 #define ZCALLBACK
00047 #endif
00048 #endif
00049 
00050 #ifdef __cplusplus
00051 extern "C" {
00052 #endif
00053 
00054 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
00055 typedef uLong  (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
00056 typedef uLong  (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
00057 typedef uLong64   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
00058 typedef long   (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong64 offset, int origin));
00059 typedef int    (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
00060 typedef int    (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
00061 
00062 typedef struct zlib_filefunc_def_s
00063 {
00064     open_file_func      zopen_file;
00065     read_file_func      zread_file;
00066     write_file_func     zwrite_file;
00067     tell_file_func      ztell_file;
00068     seek_file_func      zseek_file;
00069     close_file_func     zclose_file;
00070     testerror_file_func zerror_file;
00071     voidpf              opaque;
00072 } zlib_filefunc_def;
00073 
00074 
00075 
00076 void cpl_fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
00077 
00078 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
00079 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
00080 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
00081 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
00082 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
00083 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
00084 
00085 
00086 #ifdef __cplusplus
00087 }
00088 #endif
00089 
00090 #endif /* CPL_MINIZIP_IOAPI_H_INCLUDED */

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