# 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 /* 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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