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236 lines
8.6 KiB
C
236 lines
8.6 KiB
C
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/* zip.h -- IO for compress .zip files using zlib
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Version 1.01e, February 12th, 2005
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Copyright (C) 1998-2005 Gilles Vollant
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This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
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WinZip, InfoZip tools and compatible.
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Multi volume ZipFile (span) are not supported.
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Encryption compatible with pkzip 2.04g only supported
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Old compressions used by old PKZip 1.x are not supported
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For uncompress .zip file, look at unzip.h
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I WAIT FEEDBACK at mail info@winimage.com
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Visit also http://www.winimage.com/zLibDll/unzip.html for evolution
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Condition of use and distribution are the same than zlib :
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/* for more info about .ZIP format, see
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http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
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http://www.info-zip.org/pub/infozip/doc/
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PkWare has also a specification at :
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ftp://ftp.pkware.com/probdesc.zip
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*/
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#ifndef _zip_H
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#define _zip_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ZLIB_H
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#include "zlib.h"
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#endif
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#ifndef _ZLIBIOAPI_H
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#include "ioapi.h"
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#endif
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#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
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/* like the STRICT of WIN32, we define a pointer that cannot be converted
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from (void*) without cast */
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typedef struct TagzipFile__ { int unused; } zipFile__;
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typedef zipFile__ *zipFile;
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#else
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typedef voidp zipFile;
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#endif
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#define ZIP_OK (0)
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#define ZIP_EOF (0)
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#define ZIP_ERRNO (Z_ERRNO)
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#define ZIP_PARAMERROR (-102)
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#define ZIP_BADZIPFILE (-103)
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#define ZIP_INTERNALERROR (-104)
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#ifndef DEF_MEM_LEVEL
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# if MAX_MEM_LEVEL >= 8
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# define DEF_MEM_LEVEL 8
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# else
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# define DEF_MEM_LEVEL MAX_MEM_LEVEL
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# endif
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#endif
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/* default memLevel */
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/* tm_zip contain date/time info */
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typedef struct tm_zip_s
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{
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uInt tm_sec; /* seconds after the minute - [0,59] */
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uInt tm_min; /* minutes after the hour - [0,59] */
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uInt tm_hour; /* hours since midnight - [0,23] */
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uInt tm_mday; /* day of the month - [1,31] */
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uInt tm_mon; /* months since January - [0,11] */
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uInt tm_year; /* years - [1980..2044] */
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} tm_zip;
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typedef struct
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{
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tm_zip tmz_date; /* date in understandable format */
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uLong dosDate; /* if dos_date == 0, tmu_date is used */
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/* uLong flag; */ /* general purpose bit flag 2 bytes */
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uLong internal_fa; /* internal file attributes 2 bytes */
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uLong external_fa; /* external file attributes 4 bytes */
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} zip_fileinfo;
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typedef const char* zipcharpc;
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#define APPEND_STATUS_CREATE (0)
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#define APPEND_STATUS_CREATEAFTER (1)
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#define APPEND_STATUS_ADDINZIP (2)
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extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
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/*
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Create a zipfile.
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pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
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an Unix computer "zlib/zlib113.zip".
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if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip
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will be created at the end of the file.
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(useful if the file contain a self extractor code)
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if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will
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add files in existing zip (be sure you don't add file that doesn't exist)
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If the zipfile cannot be opened, the return value is NULL.
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Else, the return value is a zipFile Handle, usable with other function
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of this zip package.
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*/
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/* Note : there is no delete function into a zipfile.
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If you want delete file into a zipfile, you must open a zipfile, and create another
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Of couse, you can use RAW reading and writing to copy the file you did not want delte
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*/
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extern zipFile ZEXPORT zipOpen2 OF((const char *pathname,
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int append,
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zipcharpc* globalcomment,
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zlib_filefunc_def* pzlib_filefunc_def));
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extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
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const char* filename,
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const zip_fileinfo* zipfi,
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const void* extrafield_local,
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uInt size_extrafield_local,
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const void* extrafield_global,
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uInt size_extrafield_global,
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const char* comment,
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int method,
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int level));
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/*
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Open a file in the ZIP for writing.
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filename : the filename in zip (if NULL, '-' without quote will be used
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*zipfi contain supplemental information
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if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
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contains the extrafield data the the local header
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if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
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contains the extrafield data the the local header
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if comment != NULL, comment contain the comment string
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method contain the compression method (0 for store, Z_DEFLATED for deflate)
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level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
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*/
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extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file,
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const char* filename,
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const zip_fileinfo* zipfi,
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const void* extrafield_local,
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uInt size_extrafield_local,
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const void* extrafield_global,
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uInt size_extrafield_global,
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const char* comment,
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int method,
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int level,
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int raw));
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/*
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Same than zipOpenNewFileInZip, except if raw=1, we write raw file
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*/
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extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file,
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const char* filename,
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const zip_fileinfo* zipfi,
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const void* extrafield_local,
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uInt size_extrafield_local,
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const void* extrafield_global,
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uInt size_extrafield_global,
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const char* comment,
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int method,
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int level,
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int raw,
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int windowBits,
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int memLevel,
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int strategy,
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const char* password,
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uLong crcForCtypting));
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/*
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Same than zipOpenNewFileInZip2, except
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windowBits,memLevel,,strategy : see parameter strategy in deflateInit2
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password : crypting password (NULL for no crypting)
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crcForCtypting : crc of file to compress (needed for crypting)
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*/
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extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
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const void* buf,
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unsigned len));
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/*
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Write data in the zipfile
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*/
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extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
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/*
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Close the current file in the zipfile
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*/
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extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file,
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uLong uncompressed_size,
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uLong crc32));
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/*
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Close the current file in the zipfile, for fiel opened with
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parameter raw=1 in zipOpenNewFileInZip2
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uncompressed_size and crc32 are value for the uncompressed size
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*/
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extern int ZEXPORT zipClose OF((zipFile file,
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const char* global_comment));
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/*
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Close the zipfile
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _zip_H */
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