| 1 | /* unzip.h -- IO for uncompress .zip files using zlib
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| 2 | Version 1.1, February 14h, 2010
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| 3 | part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
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| 4 |
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| 5 | Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
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| 6 |
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| 7 | Modifications of Unzip for Zip64
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| 8 | Copyright (C) 2007-2008 Even Rouault
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| 9 |
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| 10 | Modifications for Zip64 support on both zip and unzip
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| 11 | Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
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| 12 |
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| 13 | For more info read MiniZip_info.txt
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| 14 |
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| 15 | ---------------------------------------------------------------------------------
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| 16 |
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| 17 | Condition of use and distribution are the same than zlib :
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| 18 |
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| 19 | This software is provided 'as-is', without any express or implied
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| 20 | warranty. In no event will the authors be held liable for any damages
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| 21 | arising from the use of this software.
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| 22 |
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| 23 | Permission is granted to anyone to use this software for any purpose,
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| 24 | including commercial applications, and to alter it and redistribute it
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| 25 | freely, subject to the following restrictions:
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| 26 |
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| 27 | 1. The origin of this software must not be misrepresented; you must not
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| 28 | claim that you wrote the original software. If you use this software
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| 29 | in a product, an acknowledgment in the product documentation would be
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| 30 | appreciated but is not required.
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| 31 | 2. Altered source versions must be plainly marked as such, and must not be
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| 32 | misrepresented as being the original software.
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| 33 | 3. This notice may not be removed or altered from any source distribution.
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| 34 |
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| 35 | ---------------------------------------------------------------------------------
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| 36 |
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| 37 | Changes
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| 38 |
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| 39 | See header of unzip64.c
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| 40 |
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| 41 | */
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| 42 |
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| 43 | #ifndef _unz64_H
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| 44 | #define _unz64_H
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| 45 |
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| 46 | #ifdef __cplusplus
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| 47 | extern "C" {
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| 48 | #endif
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| 49 |
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| 50 | #ifndef _ZLIB_H
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| 51 | #include "zlib.h"
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| 52 | #endif
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| 53 |
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| 54 | #ifndef _ZLIBIOAPI_H
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| 55 | #include "ioapi.h"
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| 56 | #endif
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| 57 |
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| 58 | #ifdef HAVE_BZIP2
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| 59 | #include "bzlib.h"
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| 60 | #endif
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| 61 |
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| 62 | #define Z_BZIP2ED 12
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| 63 |
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| 64 | #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
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| 65 | /* like the STRICT of WIN32, we define a pointer that cannot be converted
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| 66 | from (void*) without cast */
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| 67 | typedef struct TagunzFile__ { int unused; } unzFile__;
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| 68 | typedef unzFile__ *unzFile;
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| 69 | #else
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| 70 | typedef voidp unzFile;
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| 71 | #endif
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| 72 |
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| 73 |
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| 74 | #define UNZ_OK (0)
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| 75 | #define UNZ_END_OF_LIST_OF_FILE (-100)
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| 76 | #define UNZ_ERRNO (Z_ERRNO)
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| 77 | #define UNZ_EOF (0)
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| 78 | #define UNZ_PARAMERROR (-102)
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| 79 | #define UNZ_BADZIPFILE (-103)
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| 80 | #define UNZ_INTERNALERROR (-104)
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| 81 | #define UNZ_CRCERROR (-105)
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| 82 |
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| 83 | /* tm_unz contain date/time info */
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| 84 | typedef struct tm_unz_s
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| 85 | {
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| 86 | uInt tm_sec; /* seconds after the minute - [0,59] */
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| 87 | uInt tm_min; /* minutes after the hour - [0,59] */
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| 88 | uInt tm_hour; /* hours since midnight - [0,23] */
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| 89 | uInt tm_mday; /* day of the month - [1,31] */
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| 90 | uInt tm_mon; /* months since January - [0,11] */
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| 91 | uInt tm_year; /* years - [1980..2044] */
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| 92 | } tm_unz;
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| 93 |
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| 94 | /* unz_global_info structure contain global data about the ZIPfile
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| 95 | These data comes from the end of central dir */
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| 96 | typedef struct unz_global_info64_s
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| 97 | {
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| 98 | ZPOS64_T number_entry; /* total number of entries in
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| 99 | the central dir on this disk */
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| 100 | uLong size_comment; /* size of the global comment of the zipfile */
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| 101 | } unz_global_info64;
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| 102 |
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| 103 | typedef struct unz_global_info_s
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| 104 | {
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| 105 | uLong number_entry; /* total number of entries in
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| 106 | the central dir on this disk */
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| 107 | uLong size_comment; /* size of the global comment of the zipfile */
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| 108 | } unz_global_info;
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| 109 |
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| 110 | /* unz_file_info contain information about a file in the zipfile */
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| 111 | typedef struct unz_file_info64_s
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| 112 | {
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| 113 | uLong version; /* version made by 2 bytes */
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| 114 | uLong version_needed; /* version needed to extract 2 bytes */
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| 115 | uLong flag; /* general purpose bit flag 2 bytes */
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| 116 | uLong compression_method; /* compression method 2 bytes */
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| 117 | uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
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| 118 | uLong crc; /* crc-32 4 bytes */
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| 119 | ZPOS64_T compressed_size; /* compressed size 8 bytes */
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| 120 | ZPOS64_T uncompressed_size; /* uncompressed size 8 bytes */
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| 121 | uLong size_filename; /* filename length 2 bytes */
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| 122 | uLong size_file_extra; /* extra field length 2 bytes */
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| 123 | uLong size_file_comment; /* file comment length 2 bytes */
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| 124 |
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| 125 | uLong disk_num_start; /* disk number start 2 bytes */
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| 126 | uLong internal_fa; /* internal file attributes 2 bytes */
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| 127 | uLong external_fa; /* external file attributes 4 bytes */
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| 128 |
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| 129 | tm_unz tmu_date;
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| 130 | } unz_file_info64;
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| 131 |
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| 132 | typedef struct unz_file_info_s
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| 133 | {
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| 134 | uLong version; /* version made by 2 bytes */
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| 135 | uLong version_needed; /* version needed to extract 2 bytes */
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| 136 | uLong flag; /* general purpose bit flag 2 bytes */
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| 137 | uLong compression_method; /* compression method 2 bytes */
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| 138 | uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
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| 139 | uLong crc; /* crc-32 4 bytes */
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| 140 | uLong compressed_size; /* compressed size 4 bytes */
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| 141 | uLong uncompressed_size; /* uncompressed size 4 bytes */
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| 142 | uLong size_filename; /* filename length 2 bytes */
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| 143 | uLong size_file_extra; /* extra field length 2 bytes */
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| 144 | uLong size_file_comment; /* file comment length 2 bytes */
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| 145 |
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| 146 | uLong disk_num_start; /* disk number start 2 bytes */
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| 147 | uLong internal_fa; /* internal file attributes 2 bytes */
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| 148 | uLong external_fa; /* external file attributes 4 bytes */
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| 149 |
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| 150 | tm_unz tmu_date;
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| 151 | } unz_file_info;
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| 152 |
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| 153 | extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
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| 154 | const char* fileName2,
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| 155 | int iCaseSensitivity));
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| 156 | /*
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| 157 | Compare two filename (fileName1,fileName2).
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| 158 | If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
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| 159 | If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
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| 160 | or strcasecmp)
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| 161 | If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
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| 162 | (like 1 on Unix, 2 on Windows)
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| 163 | */
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| 164 |
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| 165 |
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| 166 | extern unzFile ZEXPORT unzOpen OF((const char *path));
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| 167 | extern unzFile ZEXPORT unzOpen64 OF((const void *path));
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| 168 | /*
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| 169 | Open a Zip file. path contain the full pathname (by example,
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| 170 | on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
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| 171 | "zlib/zlib113.zip".
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| 172 | If the zipfile cannot be opened (file don't exist or in not valid), the
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| 173 | return value is NULL.
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| 174 | Else, the return value is a unzFile Handle, usable with other function
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| 175 | of this unzip package.
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| 176 | the "64" function take a const void* pointer, because the path is just the
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| 177 | value passed to the open64_file_func callback.
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| 178 | Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
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| 179 | is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char*
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| 180 | does not describe the reality
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| 181 | */
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| 182 |
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| 183 |
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| 184 | extern unzFile ZEXPORT unzOpen2 OF((const char *path,
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| 185 | zlib_filefunc_def* pzlib_filefunc_def));
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| 186 | /*
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| 187 | Open a Zip file, like unzOpen, but provide a set of file low level API
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| 188 | for read/write the zip file (see ioapi.h)
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| 189 | */
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| 190 |
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| 191 | extern unzFile ZEXPORT unzOpen2_64 OF((const void *path,
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| 192 | zlib_filefunc64_def* pzlib_filefunc_def));
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| 193 | /*
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| 194 | Open a Zip file, like unz64Open, but provide a set of file low level API
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| 195 | for read/write the zip file (see ioapi.h)
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| 196 | */
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| 197 |
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| 198 | extern int ZEXPORT unzClose OF((unzFile file));
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| 199 | /*
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| 200 | Close a ZipFile opened with unzOpen.
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| 201 | If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
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| 202 | these files MUST be closed with unzCloseCurrentFile before call unzClose.
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| 203 | return UNZ_OK if there is no problem. */
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| 204 |
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| 205 | extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
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| 206 | unz_global_info *pglobal_info));
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| 207 |
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| 208 | extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file,
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| 209 | unz_global_info64 *pglobal_info));
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| 210 | /*
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| 211 | Write info about the ZipFile in the *pglobal_info structure.
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| 212 | No preparation of the structure is needed
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| 213 | return UNZ_OK if there is no problem. */
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| 214 |
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| 215 |
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| 216 | extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
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| 217 | char *szComment,
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| 218 | uLong uSizeBuf));
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| 219 | /*
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| 220 | Get the global comment string of the ZipFile, in the szComment buffer.
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| 221 | uSizeBuf is the size of the szComment buffer.
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| 222 | return the number of byte copied or an error code <0
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| 223 | */
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| 224 |
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| 225 |
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| 226 | /***************************************************************************/
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| 227 | /* Unzip package allow you browse the directory of the zipfile */
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| 228 |
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| 229 | extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
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| 230 | /*
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| 231 | Set the current file of the zipfile to the first file.
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| 232 | return UNZ_OK if there is no problem
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| 233 | */
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| 234 |
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| 235 | extern int ZEXPORT unzGoToNextFile OF((unzFile file));
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| 236 | /*
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| 237 | Set the current file of the zipfile to the next file.
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| 238 | return UNZ_OK if there is no problem
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| 239 | return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
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| 240 | */
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| 241 |
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| 242 | extern int ZEXPORT unzLocateFile OF((unzFile file,
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| 243 | const char *szFileName,
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| 244 | int iCaseSensitivity));
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| 245 | /*
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| 246 | Try locate the file szFileName in the zipfile.
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| 247 | For the iCaseSensitivity signification, see unzStringFileNameCompare
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| 248 |
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| 249 | return value :
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| 250 | UNZ_OK if the file is found. It becomes the current file.
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| 251 | UNZ_END_OF_LIST_OF_FILE if the file is not found
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| 252 | */
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| 253 |
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| 254 |
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| 255 | /* ****************************************** */
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| 256 | /* Ryan supplied functions */
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| 257 | /* unz_file_info contain information about a file in the zipfile */
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| 258 | typedef struct unz_file_pos_s
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| 259 | {
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| 260 | uLong pos_in_zip_directory; /* offset in zip file directory */
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| 261 | uLong num_of_file; /* # of file */
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| 262 | } unz_file_pos;
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| 263 |
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| 264 | extern int ZEXPORT unzGetFilePos(
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| 265 | unzFile file,
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| 266 | unz_file_pos* file_pos);
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| 267 |
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| 268 | extern int ZEXPORT unzGoToFilePos(
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| 269 | unzFile file,
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| 270 | unz_file_pos* file_pos);
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| 271 |
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| 272 | typedef struct unz64_file_pos_s
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| 273 | {
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| 274 | ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */
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| 275 | ZPOS64_T num_of_file; /* # of file */
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| 276 | } unz64_file_pos;
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| 277 |
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| 278 | extern int ZEXPORT unzGetFilePos64(
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| 279 | unzFile file,
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| 280 | unz64_file_pos* file_pos);
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| 281 |
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| 282 | extern int ZEXPORT unzGoToFilePos64(
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| 283 | unzFile file,
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| 284 | const unz64_file_pos* file_pos);
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| 285 |
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| 286 | /* ****************************************** */
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| 287 |
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| 288 | extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file,
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| 289 | unz_file_info64 *pfile_info,
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| 290 | char *szFileName,
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| 291 | uLong fileNameBufferSize,
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| 292 | void *extraField,
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| 293 | uLong extraFieldBufferSize,
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| 294 | char *szComment,
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| 295 | uLong commentBufferSize));
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| 296 |
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| 297 | extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
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| 298 | unz_file_info *pfile_info,
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| 299 | char *szFileName,
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| 300 | uLong fileNameBufferSize,
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| 301 | void *extraField,
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| 302 | uLong extraFieldBufferSize,
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| 303 | char *szComment,
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| 304 | uLong commentBufferSize));
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| 305 | /*
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| 306 | Get Info about the current file
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| 307 | if pfile_info!=NULL, the *pfile_info structure will contain somes info about
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| 308 | the current file
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| 309 | if szFileName!=NULL, the filemane string will be copied in szFileName
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| 310 | (fileNameBufferSize is the size of the buffer)
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| 311 | if extraField!=NULL, the extra field information will be copied in extraField
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| 312 | (extraFieldBufferSize is the size of the buffer).
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| 313 | This is the Central-header version of the extra field
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| 314 | if szComment!=NULL, the comment string of the file will be copied in szComment
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| 315 | (commentBufferSize is the size of the buffer)
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| 316 | */
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| 317 |
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| 318 |
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| 319 | /** Addition for GDAL : START */
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| 320 |
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| 321 | extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
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| 322 |
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| 323 | /** Addition for GDAL : END */
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| 324 |
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| 325 |
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| 326 | /***************************************************************************/
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| 327 | /* for reading the content of the current zipfile, you can open it, read data
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| 328 | from it, and close it (you can close it before reading all the file)
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| 329 | */
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| 330 |
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| 331 | extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
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| 332 | /*
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| 333 | Open for reading data the current file in the zipfile.
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| 334 | If there is no error, the return value is UNZ_OK.
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| 335 | */
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| 336 |
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| 337 | extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
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| 338 | const char* password));
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| 339 | /*
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| 340 | Open for reading data the current file in the zipfile.
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| 341 | password is a crypting password
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| 342 | If there is no error, the return value is UNZ_OK.
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| 343 | */
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| 344 |
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| 345 | extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
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| 346 | int* method,
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| 347 | int* level,
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| 348 | int raw));
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| 349 | /*
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| 350 | Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
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| 351 | if raw==1
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| 352 | *method will receive method of compression, *level will receive level of
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| 353 | compression
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| 354 | note : you can set level parameter as NULL (if you did not want known level,
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| 355 | but you CANNOT set method parameter as NULL
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| 356 | */
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| 357 |
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| 358 | extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
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| 359 | int* method,
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| 360 | int* level,
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| 361 | int raw,
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| 362 | const char* password));
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| 363 | /*
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| 364 | Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
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| 365 | if raw==1
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| 366 | *method will receive method of compression, *level will receive level of
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| 367 | compression
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| 368 | note : you can set level parameter as NULL (if you did not want known level,
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| 369 | but you CANNOT set method parameter as NULL
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| 370 | */
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| 371 |
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| 372 |
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| 373 | extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
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| 374 | /*
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| 375 | Close the file in zip opened with unzOpenCurrentFile
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| 376 | Return UNZ_CRCERROR if all the file was read but the CRC is not good
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| 377 | */
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| 378 |
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| 379 | extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
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| 380 | voidp buf,
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| 381 | unsigned len));
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| 382 | /*
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| 383 | Read bytes from the current file (opened by unzOpenCurrentFile)
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| 384 | buf contain buffer where data must be copied
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| 385 | len the size of buf.
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| 386 |
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| 387 | return the number of byte copied if somes bytes are copied
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| 388 | return 0 if the end of file was reached
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|---|
| 389 | return <0 with error code if there is an error
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|---|
| 390 | (UNZ_ERRNO for IO error, or zLib error for uncompress error)
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| 391 | */
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| 392 |
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| 393 | extern z_off_t ZEXPORT unztell OF((unzFile file));
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| 394 |
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| 395 | extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file));
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| 396 | /*
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| 397 | Give the current position in uncompressed data
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| 398 | */
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| 399 |
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| 400 | extern int ZEXPORT unzeof OF((unzFile file));
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| 401 | /*
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| 402 | return 1 if the end of file was reached, 0 elsewhere
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| 403 | */
|
|---|
| 404 |
|
|---|
| 405 | extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
|
|---|
| 406 | voidp buf,
|
|---|
| 407 | unsigned len));
|
|---|
| 408 | /*
|
|---|
| 409 | Read extra field from the current file (opened by unzOpenCurrentFile)
|
|---|
| 410 | This is the local-header version of the extra field (sometimes, there is
|
|---|
| 411 | more info in the local-header version than in the central-header)
|
|---|
| 412 |
|
|---|
| 413 | if buf==NULL, it return the size of the local extra field
|
|---|
| 414 |
|
|---|
| 415 | if buf!=NULL, len is the size of the buffer, the extra header is copied in
|
|---|
| 416 | buf.
|
|---|
| 417 | the return value is the number of bytes copied in buf, or (if <0)
|
|---|
| 418 | the error code
|
|---|
| 419 | */
|
|---|
| 420 |
|
|---|
| 421 | /***************************************************************************/
|
|---|
| 422 |
|
|---|
| 423 | /* Get the current file offset */
|
|---|
| 424 | extern ZPOS64_T ZEXPORT unzGetOffset64 (unzFile file);
|
|---|
| 425 | extern uLong ZEXPORT unzGetOffset (unzFile file);
|
|---|
| 426 |
|
|---|
| 427 | /* Set the current file offset */
|
|---|
| 428 | extern int ZEXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos);
|
|---|
| 429 | extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
|
|---|
| 430 |
|
|---|
| 431 |
|
|---|
| 432 |
|
|---|
| 433 | #ifdef __cplusplus
|
|---|
| 434 | }
|
|---|
| 435 | #endif
|
|---|
| 436 |
|
|---|
| 437 | #endif /* _unz64_H */
|
|---|
