Man page - zip_file_extra_field_set(3)
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apt-get install libzip-dev
Manual
| ZIP_FILE_EXTRA_FIELD_SET(3) | Library Functions Manual | ZIP_FILE_EXTRA_FIELD_SET(3) |
NAME
zip_file_extra_field_set —
set extra field for file in zip
LIBRARY
libzip (-lzip)
SYNOPSIS
#include
<zip.h>
int
zip_file_extra_field_set(zip_t
*archive, zip_uint64_t
index, zip_uint16_t
extra_field_id,
zip_uint16_t
extra_field_index, const
zip_uint8_t *extra_field_data,
zip_uint16_t len,
zip_flags_t flags);
DESCRIPTION
The
zip_file_extra_field_set()
function sets the extra field with ID (two-byte signature)
extra_field_id and index
extra_field_index for the file at position
index in the zip archive. The extra field's data will
be set to extra_field_data and length
len. If a new entry shall be appended, set
extra_field_index to
ZIP_EXTRA_FIELD_NEW.
At least one of the following flags must be set:
ZIP_FL_CENTRAL- Set extra field in the archive's central directory.
ZIP_FL_LOCAL- Set extra field in the local file headers.
Please note that the extra field
IDs 0x0001 (ZIP64 extension), 0x6375 (Infozip UTF-8 comment), and 0x7075
(Infozip UTF-8 file name) can not be set using
zip_file_extra_field_set()
since they are set by libzip(3) automatically when
needed.
RETURN VALUES
Upon successful completion 0 is returned. Otherwise, -1 is returned and the error code in archive is set to indicate the error.
ERRORS
zip_file_extra_field_set() fails if:
- [
ZIP_ER_INVAL] - The extra field size is too large (ID and length need 4 bytes; the maximum length of all extra fields for one file combined is 65536 bytes). This error also occurs if extra_field_index is too large.
- [
ZIP_ER_MEMORY] - Required memory could not be allocated.
- [
ZIP_ER_NOENT] - index is not a valid file index in archive.
SEE ALSO
libzip(3), zip_file_extra_field_delete(3), zip_file_extra_field_get(3), zip_file_extra_fields_count(3)
HISTORY
zip_file_extra_field_set() was added in
libzip 0.11.
AUTHORS
Dieter Baron <dillo@nih.at> and Thomas Klausner <wiz@gatalith.at>
| December 18, 2017 | Debian |