/* mz_zip.h -- Zip manipulation

Version 2.3.8, July 14, 2018

part of the MiniZip project

Copyright (C) 2010-2018 Nathan Moinvaziri

https://github.com/nmoinvaz/minizip

Copyright (C) 2009-2010 Mathias Svensson

Modifications for Zip64 support

http://result42.com

Copyright (C) 1998-2010 Gilles Vollant

http://www.winimage.com/zLibDll/minizip.html

This program is distributed under the terms of the same license as zlib.

See the accompanying LICENSE file for the full text of the license.

*/

#ifndef MZ_ZIP_H

#define MZ_ZIP_H

#include <stdint.h>

#include <time.h>

#include "mz_strm.h"

#ifdef __cplusplus

extern "C" {

#endif

/***************************************************************************/

typedef struct mz_zip_file_s

{

uint16_t version_madeby; // version made by

uint16_t version_needed; // version needed to extract

uint16_t flag; // general purpose bit flag

uint16_t compression_method; // compression method

time_t modified_date; // last modified date in unix time

time_t accessed_date; // last accessed date in unix time

time_t creation_date; // creation date in unix time

uint32_t crc; // crc-32

uint64_t compressed_size; // compressed size

uint64_t uncompressed_size; // uncompressed size

uint16_t filename_size; // filename length

uint16_t extrafield_size; // extra field length

uint16_t comment_size; // file comment length

uint32_t disk_number; // disk number start

uint64_t disk_offset; // relative offset of local header

uint16_t internal_fa; // internal file attributes

uint32_t external_fa; // external file attributes

uint16_t zip64; // zip64 extension mode

const char *filename; // filename string

const uint8_t *extrafield; // extrafield data

const char *comment; // comment string

#ifdef HAVE_AES

uint16_t aes_version; // winzip aes extension if not 0

uint8_t aes_encryption_mode; // winzip aes encryption mode

#endif

} mz_zip_file;

/***************************************************************************/

extern void * mz_zip_open(void *stream, int32_t mode);

// Create a zip file, no delete file in zip functionality

extern int32_t mz_zip_close(void *handle);

// Close the zip file

extern int32_t mz_zip_get_comment(void *handle, const char **comment);

// Get a pointer to the global comment

extern int32_t mz_zip_set_comment(void *handle, const char *comment);

// Set the global comment used for writing zip file

extern int32_t mz_zip_get_version_madeby(void *handle, uint16_t *version_madeby);

// Get the version made by

extern int32_t mz_zip_set_version_madeby(void *handle, uint16_t version_madeby);

// Set the version made by used for writing zip file

extern int32_t mz_zip_entry_write_open(void *handle, const mz_zip_file *file_info,

int16_t compress_level, const char *password);

// Open for writing the current file in the zip file

extern int32_t mz_zip_entry_write(void *handle, const void *buf, uint32_t len);

// Write bytes from the current file in the zip file

extern int32_t mz_zip_entry_read_open(void *handle, int16_t raw, const char *password);

// Open for reading the current file in the zip file

extern int32_t mz_zip_entry_read(void *handle, void *buf, uint32_t len);

// Read bytes from the current file in the zip file

extern int32_t mz_zip_entry_get_info(void *handle, mz_zip_file **file_info);

// Get info about the current file, only valid while current entry is open

extern int32_t mz_zip_entry_get_local_info(void *handle, mz_zip_file **local_file_info);

// Get local info about the current file, only valid while current entry is being read

extern int32_t mz_zip_entry_close_raw(void *handle, uint64_t uncompressed_size, uint32_t crc32);

// Close the current file in the zip file where raw is compressed data

extern int32_t mz_zip_entry_close(void *handle);

// Close the current file in the zip file

/***************************************************************************/

extern int32_t mz_zip_get_number_entry(void *handle, int64_t *number_entry);

// Get the total number of entries

extern int32_t mz_zip_get_disk_number_with_cd(void *handle, uint32_t *disk_number_with_cd);

// Get the the disk number containing the central directory record

extern int64_t mz_zip_get_entry(void *handle);

// Return offset of the current entry in the zip file

extern int32_t mz_zip_goto_entry(void *handle, uint64_t cd_pos);

// Go to specified entry in the zip file

extern int32_t mz_zip_goto_first_entry(void *handle);

// Go to the first entry in the zip file

extern int32_t mz_zip_goto_next_entry(void *handle);

// Go to the next entry in the zip file or MZ_END_OF_LIST if reaching the end

typedef int32_t (*mz_filename_compare_cb)(void *handle, const char *filename1, const char *filename2);

extern int32_t mz_zip_locate_entry(void *handle, const char *filename,

mz_filename_compare_cb filename_compare_cb);

// Locate the file with the specified name in the zip file or MZ_END_LIST if not found

/***************************************************************************/

int32_t mz_zip_attrib_is_dir(int32_t attributes, int32_t version_madeby);

// Checks to see if the attribute is a directory based on platform

int32_t mz_zip_dosdate_to_tm(uint64_t dos_date, struct tm *ptm);

// Convert dos date/time format to struct tm

time_t mz_zip_dosdate_to_time_t(uint64_t dos_date);

// Convert dos date/time format to time_t

int32_t mz_zip_time_t_to_tm(time_t unix_time, struct tm *ptm);

// Convert time_t to time struct

uint32_t mz_zip_time_t_to_dos_date(time_t unix_time);

// Convert time_t to dos date/time format

uint32_t mz_zip_tm_to_dosdate(const struct tm *ptm);

// Convert struct tm to dos date/time format

int32_t mz_zip_ntfs_to_unix_time(uint64_t ntfs_time, time_t *unix_time);

// Convert ntfs time to unix time

int32_t mz_zip_unix_to_ntfs_time(time_t unix_time, uint64_t *ntfs_time);

// Convert unix time to ntfs time

/***************************************************************************/

#ifdef __cplusplus

}

#endif

#endif /* _ZIP_H */