zip_file_set_external_attributes man page

zip_file_set_external_attributes — set external attributes for file in zip


libzip (-lzip)


#include <zip.h>


zip_file_set_external_attributes(zip_t *archive, zip_uint64_t index, zip_flags_t flags, zip_uint8_t opsys, zip_uint32_t attributes);


The zip_file_set_external_attributes() function sets the operating system and external attributes for the file at position index in the zip archive. Currently, no flags are supported.

For a list of known opsys values, see zip_file_get_external_attributes(3).

Return Values

Upon successful completion 0 is returned. Otherwise, -1 is returned and the error information in archive is set to indicate the error.


zip_file_set_external_attributes() fails if:


index is not a valid file index in archive.


Required memory could not be allocated.


The archive was opened in read-only mode.

See Also

libzip(3), zip_file_get_external_attributes(3)


Dieter Baron <> and Thomas Klausner <>

Referenced By

libzip(3), zip_file_get_external_attributes(3).

December 29, 2016 NiH Library Functions Manual