mirror of
https://github.com/zlib-ng/minizip-ng
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140 lines
5.1 KiB
C
140 lines
5.1 KiB
C
/* zip.h -- Zip manipulation
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Version 1.3.0, 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 _MZ_ZIP_H
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#define _MZ_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 "mz_strm.h"
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#endif
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/***************************************************************************/
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#ifndef MZ_METHOD
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# define MZ_METHOD_RAW (0)
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# define MZ_METHOD_DEFLATE (8)
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# define MZ_METHOD_BZIP2 (12)
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# define MZ_METHOD_LZMA (14)
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#endif
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#ifndef MZ_RETURN
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# define MZ_OK (0)
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# define MZ_EOF (MZ_OK)
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# define MZ_STREAM_ERROR (-1)
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# define MZ_END_OF_LIST (-100)
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# define MZ_PARAM_ERROR (-102)
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# define MZ_FORMAT_ERROR (-103)
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# define MZ_INTERNAL_ERROR (-104)
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# define MZ_CRC_ERROR (-105)
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# define MZ_CRYPT_ERROR (-106)
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#endif
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#define MZ_COMPRESS_LEVEL_DEFAULT (-1)
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#define MZ_COMPRESS_WINDOW_BITS_DEFAULT (0)
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#define MZ_COMPRESS_MEM_LEVEL_DEFAULT (0)
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#define MZ_COMPRESS_STRATEGY_DEFAULT (-1)
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/***************************************************************************/
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typedef struct mz_zip_file_s
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{
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uint32_t dos_date; // ms-dos date and time
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uint16_t internal_fa; // internal file attributes
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uint32_t external_fa; // external file attributes
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const uint8_t *extrafield_local; // extra fields in local header
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uint16_t extrafield_local_size; // size of additional extra fields in local header
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const uint8_t *extrafield_global; // extra fields in global header
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uint16_t extrafield_global_size; // size of extra fields in global header
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uint16_t version_madeby; // version made by
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const char *comment; // file comment
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const char *filename; // filename
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uint8_t zip64; // enable zip64 extensions if 1
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uint16_t flag; // base flag value
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} mz_zip_file;
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typedef struct mz_zip_compress_s
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{
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uint16_t method; // compression method ie Z_DEFLATE, 0 for raw
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int level; // compression level
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int window_bits; // deflate window bits
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int mem_level; // deflate memory level
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int strategy; // deflate strategy
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} mz_zip_compress;
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typedef struct mz_zip_crypt_s
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{
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const char *password; // encryption password
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uint32_t crc_for_crypting; // crc to use for traditional encryption
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#if defined(HAVE_AES)
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uint8_t aes; // enable winzip aes encryption if 1
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#endif
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} mz_zip_crypt;
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/***************************************************************************/
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// Create new zip file
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#define MZ_OPENMODE_CREATE (MZ_STREAM_MODE_READWRITE | \
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MZ_STREAM_MODE_CREATE)
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// Create zip after file
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#define MZ_OPENMODE_CREATEAFTER (MZ_STREAM_MODE_READWRITE | \
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MZ_STREAM_MODE_APPEND)
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// Add existing files to zip
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#define MZ_OPENMODE_ADDINZIP (MZ_STREAM_MODE_READWRITE | \
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MZ_STREAM_MODE_EXISTING)
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/***************************************************************************/
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extern void* ZEXPORT mz_zip_open(const char *path, int16_t mode, uint64_t disk_size, void *stream);
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// Create a zip file
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//
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// NOTE: There is no delete function into a zip file. If you want delete file in a zip file,
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// you must open a zip file, and create another. 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 int ZEXPORT mz_zip_get_global_comment(void *handle, const char **global_comment);
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// Gets the global comments if opening an existing zip
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extern int ZEXPORT mz_zip_entry_open(void *handle, const mz_zip_file *file_info,
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const mz_zip_compress *compress_info, const mz_zip_crypt *crypt_info);
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// Open a file in the ZIP for writing
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extern int ZEXPORT mz_zip_entry_write(void *handle, const void *buf, uint32_t len);
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// Write data in the zip file
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extern int ZEXPORT mz_zip_entry_close(void *handle);
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// Close the current file in the zip file
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extern int ZEXPORT mz_zip_entry_close_raw(void *handle, uint64_t uncompressed_size, uint32_t crc32);
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// Close the current file in the zip file where raw is compressed data
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extern int ZEXPORT mz_zip_close(void *handle, const char *global_comment, uint16_t version_madeby);
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// Close the zip file
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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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