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201 lines
9.2 KiB
C
201 lines
9.2 KiB
C
/* zip.h -- IO on .zip files using zlib
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Version 1.1, February 14h, 2010
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part of the MiniZip project
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Copyright (C) 1998-2010 Gilles Vollant
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http://www.winimage.com/zLibDll/minizip.html
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Modifications for Zip64 support
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Copyright (C) 2009-2010 Mathias Svensson
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http://result42.com
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This program is distributed under the terms of the same license as zlib.
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See the accompanying LICENSE file for the full text of the license.
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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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#ifdef HAVE_BZIP2
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# include "bzlib.h"
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#endif
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#define Z_BZIP2ED 12
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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 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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/***************************************************************************/
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/* Writing a zip file */
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extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
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extern zipFile ZEXPORT zipOpen64 OF((const void *pathname, int append));
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/* Create a zipfile.
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pathname should contain the full pathname (by example, on a Windows XP computer
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"c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip".
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return NULL if zipfile cannot be opened
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return zipFile handle if no error
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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. (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 add files in existing
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zip (be sure you don't add file that doesn't exist)
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NOTE: There is no delete function into a zipfile. If you want delete file into a zipfile,
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you must open a zipfile, and create another. Of course, you can use RAW reading and writing to copy
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the file you did not want delete. */
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extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, int append, zipcharpc* globalcomment,
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zlib_filefunc_def* pzlib_filefunc_def));
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extern zipFile ZEXPORT zipOpen2_64 OF((const void *pathname, int append, zipcharpc* globalcomment,
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zlib_filefunc64_def* pzlib_filefunc_def));
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extern zipFile ZEXPORT zipOpen3 OF((const char *pathname, int append, ZPOS64_T disk_size,
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zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc_def));
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/* Same as zipOpen2 but allows specification of spanned zip size */
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extern zipFile ZEXPORT zipOpen3_64 OF((const void *pathname, int append, ZPOS64_T disk_size,
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zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def));
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extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level));
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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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extrafield_local buffer to store the local header extra field data, can be NULL
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size_extrafield_local size of extrafield_local buffer
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extrafield_global buffer to store the global header extra field data, can be NULL
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size_extrafield_global size of extrafield_local buffer
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comment buffer for 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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zip64 is set to 1 if a zip64 extended information block should be added to the local file header.
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this MUST be '1' if the uncompressed size is >= 0xffffffff. */
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extern int ZEXPORT zipOpenNewFileInZip64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int zip64));
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/* Same as zipOpenNewFileInZip with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw));
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/* Same as zipOpenNewFileInZip, except if raw=1, we write raw file */
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extern int ZEXPORT zipOpenNewFileInZip2_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw, int zip64));
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/* Same as zipOpenNewFileInZip3 with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char* password, uLong crcForCrypting));
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/* Same as 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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crcForCrypting : crc of file to compress (needed for crypting) */
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extern int ZEXPORT zipOpenNewFileInZip3_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char* password, uLong crcForCrypting, int zip64));
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/* Same as zipOpenNewFileInZip3 with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip4 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase));
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/* Same as zipOpenNewFileInZip3 except versionMadeBy & flag fields */
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extern int ZEXPORT zipOpenNewFileInZip4_64 OF((zipFile file, const char* filename, const zip_fileinfo* zipfi,
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const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
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uInt size_extrafield_global, const char* comment, int method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char* password, uLong crcForCrypting, uLong versionMadeBy, uLong flagBase, int zip64));
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/* Same as zipOpenNewFileInZip4 with zip64 support */
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extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, const void* buf, unsigned len));
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/* Write data in the zipfile */
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extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
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/* Close the current file in the zipfile */
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extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, uLong uncompressed_size, uLong crc32));
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extern int ZEXPORT zipCloseFileInZipRaw64 OF((zipFile file, ZPOS64_T uncompressed_size, uLong crc32));
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/* Close the current file in the zipfile, for file opened with parameter raw=1 in zipOpenNewFileInZip2
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uncompressed_size and crc32 are value for the uncompressed size */
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extern int ZEXPORT zipClose OF((zipFile file, const char* global_comment));
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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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