213 lines
11 KiB
C
213 lines
11 KiB
C
/* zip.h -- IO on .zip files using zlib
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Version 1.2.0, September 16th, 2017
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part of the MiniZip project
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Copyright (C) 2012-2017 Nathan Moinvaziri
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https://github.com/nmoinvaz/minizip
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Copyright (C) 2009-2010 Mathias Svensson
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Modifications for Zip64 support
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http://result42.com
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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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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; } zip_file__;
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typedef zip_file__ *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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typedef struct
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{
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uint32_t dos_date;
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uint16_t internal_fa; /* internal file attributes 2 bytes */
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uint32_t external_fa; /* external file attributes 4 bytes */
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} zip_fileinfo;
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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(const char *path, int append);
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extern zipFile ZEXPORT zipOpen64(const void *path, int append);
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/* Create a zipfile.
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path should contain the full path (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 path 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 path 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(const char *path, int append, const char **globalcomment,
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zlib_filefunc_def *pzlib_filefunc_def);
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extern zipFile ZEXPORT zipOpen2_64(const void *path, int append, const char **globalcomment,
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zlib_filefunc64_def *pzlib_filefunc_def);
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extern zipFile ZEXPORT zipOpen3(const char *path, int append, uint64_t disk_size,
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const char **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(const void *path, int append, uint64_t disk_size,
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const char **globalcomment, zlib_filefunc64_def *pzlib_filefunc_def);
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extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t 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(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int zip64);
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/* Same as zipOpenNewFileInZip with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t 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(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t 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(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting);
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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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crc_for_crypting : crc of file to compress (needed for crypting) */
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extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, int zip64);
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/* Same as zipOpenNewFileInZip3 with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base);
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/* Same as zipOpenNewFileInZip3 except versionMadeBy & flag fields */
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extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char *filename, const zip_fileinfo *zipfi,
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const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global,
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uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel,
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int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base, int zip64);
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/* Same as zipOpenNewFileInZip4 with zip64 support */
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extern int ZEXPORT zipOpenNewFileInZip5(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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uint16_t size_extrafield_local,
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const void *extrafield_global,
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uint16_t size_extrafield_global,
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const char *comment,
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uint16_t flag_base,
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int zip64,
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uint16_t 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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int aes);
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/* Allowing optional aes */
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extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void *buf, uint32_t len);
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/* Write data in the zipfile */
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extern int ZEXPORT zipCloseFileInZip(zipFile file);
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/* Close the current file in the zipfile */
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extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uint32_t uncompressed_size, uint32_t crc32);
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extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, uint64_t uncompressed_size, uint32_t 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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where raw is compressed data. Parameters uncompressed_size and crc32 are value for the uncompressed data. */
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extern int ZEXPORT zipClose(zipFile file, const char *global_comment);
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/* Close the zipfile */
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extern int ZEXPORT zipClose_64(zipFile file, const char *global_comment);
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extern int ZEXPORT zipClose2_64(zipFile file, const char *global_comment, uint16_t version_madeby);
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/* Same as zipClose_64 except version_madeby field */
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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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