Man page - zip_file_set_mtime(3)
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- zip_file_extra_field_delete_by_id(3)
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- zip_file_set_mtime(3)
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- zip_set_file_compression(3)
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- zip_register_cancel_callback_with_state(3)
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apt-get install libzip-dev
Manual
ZIP_FILE_SET_MTIME (3) Library Functions Manual ZIP_FILE_SET_MTIME (3)
NAME
zip_file_set_dostime, zip_file_set_mtime ā set last modification time (mtime) for file in zip
LIBRARY
libzip (-lzip)
SYNOPSIS
#include <zip.h>
int
zip_file_set_dostime ( zip_tĀ *archive , zip_uint64_tĀ index , zip_uint16_tĀ dostime , zip_uint16_tĀ dosdate , zip_flags_tĀ flags );
int
zip_file_set_mtime ( zip_tĀ *archive , zip_uint64_tĀ index , time_tĀ mtime , zip_flags_tĀ flags );
DESCRIPTION
The zip_file_set_mtime () function sets the last modification time (mtime) for the file at position index in the zip archive to mtime . Currently, no support for any flags is implemented.
In the zip archive, the time and date are saved as two 16-bit integers. To set the values directly, call the zip_file_set_dostime () function. The values of the time bytes are defined as follows:
0-4
seconds divided by two (1-2 = 1, 3-4 = 2, ...)
5-10
minute (0-59)
11-15
hour (0-23)
The values of the date bytes are defined as follows:
0-4
day of the month (1-31)
5-8
month (January = 1, February = 2, ...)
9-15
year offset from 1980 (1980 = 0, 1981 = 1, ...)
RETURN VALUES
Upon successful completion 0 is returned. Otherwise, -1 is returned and the error information in archive is set to indicate the error.
ERRORS
zip_file_set_dostime () and zip_file_set_mtime () fail if:
[ZIP_ER_INVAL]
index is not a valid file index in archive .
[ZIP_ER_MEMORY]
Required memory could not be allocated.
[ZIP_ER_OPNOTSUPP]
Traditional PKWare encryption uses the fileās mtime, therefore it cannot be changed without re-encrypting the data.
[ZIP_ER_RDONLY]
The archive was opened in read-only mode.
SEE ALSO
libzip (3), zip_stat (3)
HISTORY
zip_file_set_mtime () was added in libzip 1.0. zip_file_set_dostime () was added in libzip 1.6.
AUTHORS
Dieter Baron < dillo@nih.at > and Thomas Klausner < wiz@gatalith.at >
CAVEATS
Following historical practice, the zip_file_set_mtime () function translates the time from the zip archive into the local time zone. If you want to avoid this, use the zip_file_set_dostime () function instead. Debian June 18, 2022 ZIP_FILE_SET_MTIME (3)