ZIP_FILE_EXTRA_FIELD_DELETELibrary Functions ManZIP_FILE_EXTRA_FIELD_DELETE(3)

NAME
       zip_file_extra_field_delete, zip_file_extra_field_delete_by_id - delete
       extra field for file in zip

LIBRARY
       libzip (-lzip)

SYNOPSIS
       #include <zip.h>

       int
       zip_file_extra_field_delete(struct zip *archive, zip_uint64_t
       index, zip_uint16_t extra_field_index, zip_flags_t flags);

       int
       zip_file_extra_field_delete_by_id(struct zip *archive, zip_uint64_t
       index, zip_uint16_t extra_field_id, zip_uint16_t
       extra_field_index, zip_flags_t flags);

DESCRIPTION
       The zip_file_extra_field_delete() function deletes the extra field with
       index extra_field_index for the file at position index in the zip
       archive.

       If extra_field_index is ZIP_EXTRA_FIELD_ALL, then all extra fields will
       be deleted.

       The following flags are supported:

             ZIP_FL_CENTRAL    Delete extra fields from the archive's central
                               directory.

             ZIP_FL_LOCAL      Delete extra fields from the local file
                               headers.

       The zip_file_extra_field_delete_by_id() function deletes the extra
       field with ID (two-byte signature) extra_field_id and index
       extra_field_index (in other words, the extra_field_index'th extra field
       with ID extra_field_id) The other arguments are the same as for
       zip_file_extra_field_delete() (ZIP_EXTRA_FIELD_ALL will delete all
       extra fields of the specified ID).

       Please note that due to the library design, the index of an extra field
       may be different between central directory and local file headers.  For
       this reason, it is not allowed to specify both ZIP_FL_CENTRAL and
       ZIP_FL_LOCAL in flags, except when deleting all extra fields (i.e.,
       extra_field_index being ZIP_EXTRA_FIELD_ALL).

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_delete() and zip_file_extra_field_delete_by_id()
       fail if:

       [ZIP_ER_NOENT]     index is not a valid file index in archive.

SEE ALSO
       libzip(3), zip_file_extra_field_get(3), zip_file_extra_field_set(3),
       zip_file_extra_fields_count(3)

AUTHORS
       Dieter Baron <dillo@nih.at> and Thomas Klausner <tk@giga.or.at>

NiH                              July 31, 2013  ZIP_FILE_EXTRA_FIELD_DELETE(3)

Czas wygenerowania: 0.00012 sek.

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