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165 lines
6.2 KiB
C
165 lines
6.2 KiB
C
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/* mz_zip.h -- Zip manipulation
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Version 2.3.3, June 10, 2018
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part of the MiniZip project
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Copyright (C) 2010-2018 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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#include <stdint.h>
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#include <time.h>
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#include "mz_strm.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************************************************************/
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typedef struct mz_zip_file_s
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{
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uint16_t version_madeby; // version made by
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uint16_t version_needed; // version needed to extract
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uint16_t flag; // general purpose bit flag
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uint16_t compression_method; // compression method
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time_t modified_date; // last modified date in unix time
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time_t accessed_date; // last accessed date in unix time
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time_t creation_date; // creation date in unix time
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uint32_t crc; // crc-32
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uint64_t compressed_size; // compressed size
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uint64_t uncompressed_size; // uncompressed size
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uint16_t filename_size; // filename length
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uint16_t extrafield_size; // extra field length
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uint16_t comment_size; // file comment length
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uint32_t disk_number; // disk number start
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uint64_t disk_offset; // relative offset of local header
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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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uint16_t zip64; // zip64 extension mode
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const char *filename; // filename string
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const uint8_t *extrafield; // extrafield data
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const char *comment; // comment string
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#ifdef HAVE_AES
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uint16_t aes_version; // winzip aes extension if not 0
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uint8_t aes_encryption_mode; // winzip aes encryption mode
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#endif
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} mz_zip_file;
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/***************************************************************************/
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extern void * mz_zip_open(void *stream, int32_t mode);
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// Create a zip file, no delete file in zip functionality
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extern int32_t mz_zip_close(void *handle);
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// Close the zip file
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extern int32_t mz_zip_get_comment(void *handle, const char **comment);
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// Get a pointer to the global comment
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extern int32_t mz_zip_set_comment(void *handle, const char *comment);
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// Set the global comment used for writing zip file
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extern int32_t mz_zip_get_version_madeby(void *handle, uint16_t *version_madeby);
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// Get the version made by
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extern int32_t mz_zip_set_version_madeby(void *handle, uint16_t version_madeby);
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// Set the version made by used for writing zip file
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extern int32_t mz_zip_entry_write_open(void *handle, const mz_zip_file *file_info,
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int16_t compress_level, const char *password);
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// Open for writing the current file in the zip file
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extern int32_t mz_zip_entry_write(void *handle, const void *buf, uint32_t len);
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// Write bytes from the current file in the zip file
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extern int32_t mz_zip_entry_read_open(void *handle, int16_t raw, const char *password);
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// Open for reading the current file in the zip file
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extern int32_t mz_zip_entry_read(void *handle, void *buf, uint32_t len);
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// Read bytes from the current file in the zip file
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extern int32_t mz_zip_entry_get_info(void *handle, mz_zip_file **file_info);
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// Get info about the current file, only valid while current entry is open
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extern int32_t mz_zip_entry_get_local_info(void *handle, mz_zip_file **local_file_info);
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// Get local info about the current file, only valid while current entry is being read
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extern int32_t 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 int32_t mz_zip_entry_close(void *handle);
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// Close the current file in the zip file
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/***************************************************************************/
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extern int32_t mz_zip_get_number_entry(void *handle, int64_t *number_entry);
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// Get the total number of entries
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extern int32_t mz_zip_get_disk_number_with_cd(void *handle, uint32_t *disk_number_with_cd);
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// Get the the disk number containing the central directory record
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extern int64_t mz_zip_get_entry(void *handle);
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// Return offset of the current entry in the zip file
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extern int32_t mz_zip_goto_entry(void *handle, uint64_t cd_pos);
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// Go to specified entry in the zip file
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extern int32_t mz_zip_goto_first_entry(void *handle);
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// Go to the first entry in the zip file
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extern int32_t mz_zip_goto_next_entry(void *handle);
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// Go to the next entry in the zip file or MZ_END_OF_LIST if reaching the end
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typedef int32_t (*mz_filename_compare_cb)(void *handle, const char *filename1, const char *filename2);
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extern int32_t mz_zip_locate_entry(void *handle, const char *filename,
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mz_filename_compare_cb filename_compare_cb);
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// Locate the file with the specified name in the zip file or MZ_END_LIST if not found
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/***************************************************************************/
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int32_t mz_zip_attrib_is_dir(int32_t attributes, int32_t version_madeby);
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// Checks to see if the attribute is a directory based on platform
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int32_t mz_zip_dosdate_to_tm(uint64_t dos_date, struct tm *ptm);
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// Convert dos date/time format to struct tm
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time_t mz_zip_dosdate_to_time_t(uint64_t dos_date);
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// Convert dos date/time format to time_t
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int32_t mz_zip_time_t_to_tm(time_t unix_time, struct tm *ptm);
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// Convert time_t to time struct
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uint32_t mz_zip_time_t_to_dos_date(time_t unix_time);
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// Convert time_t to dos date/time format
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uint32_t mz_zip_tm_to_dosdate(const struct tm *ptm);
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// Convert struct tm to dos date/time format
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int32_t mz_zip_ntfs_to_unix_time(uint64_t ntfs_time, time_t *unix_time);
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// Convert ntfs time to unix time
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int32_t mz_zip_unix_to_ntfs_time(time_t unix_time, uint64_t *ntfs_time);
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// Convert unix time to ntfs time
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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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