Man page - zip_file_extra_field_set(3)
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- zip_error_to_str(3)
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- zip_close(3)
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- zip_file_is_seekable(3)
- zip_fopen_index(3)
- zip_set_file_comment(3)
- zip_open(3)
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- zip_strerror(3)
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- zip_error_clear(3)
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- zip_open_from_source(3)
- zip_source_commit_write(3)
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- zip_stat(3)
- zip_fseek(3)
- zip_error_code_zip(3)
- zip_source_tell_write(3)
- zip_error_init(3)
- zip_source_buffer_create(3)
- zip_error_strerror(3)
- zip_get_num_files(3)
- zip_fdopen(3)
- zip_add(3)
- zip_file_extra_field_get_by_id(3)
- zip_source_read(3)
- zip_libzip_version(3)
- zip_file_error_clear(3)
- zip_source_win32w(3)
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- zip_add_dir(3)
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- zip_error_code_system(3)
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- zip_source_tell(3)
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- zip_error_get(3)
- zip_source_zip(3)
- zip_fread(3)
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- zip_fopen(3)
- zip_file_get_external_attributes(3)
- zip_get_file_comment(3)
- zip_file_extra_fields_count(3)
- zip_stat_init(3)
- zip_source_error(3)
- zip_source_function(3)
- zip_get_name(3)
- zip_error_system_type(3)
- zip_compression_method_supported(3)
- zip_source_stat(3)
- zip_source_layered(3)
- zip_source_keep(3)
- zip_error_set(3)
- zip_error_get_sys_type(3)
- zip_source_zip_file_create(3)
- zip_source_is_deleted(3)
- zip_file_set_encryption(3)
- zip_file_extra_field_get(3)
- zip_get_archive_flag(3)
- zip_source_seek(3)
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 > Debian December 18, 2017 ZIP_FILE_EXTRA_FIELD_SET (3)