.\" zip_set_archive_comment.mdoc -- set zip archive comment
.\" Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
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.Dd October 26, 2007
.Dt ZIP_SET_ARCHIVE_COMMENT 3
.Os
.Sh NAME
.Nm zip_set_archive_comment
.Nd set zip archive comment
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft int
.Fn zip_set_archive_comment "struct zip *archive" \
"const char *comment" "int len"
.Sh DESCRIPTION
The
.Fn zip_set_archive_comment
function sets the comment for the entire zip archive.
If
.Ar comment
is
.Dv NULL
and
.Ar len
is 0, the archive comment will be removed.
.Sh RETURN VALUES
Upon successful completion 0 is returned.
Otherwise, \-1 is returned and the error information in
.Ar archive
is set to indicate the error.
.Sh ERRORS
.Fn zip_set_archive_comment
fails if:
.Bl -tag -width Er
.It Bq Er ZIP_ER_INVAL
.Ar len
is less than 0 or longer than the maximum comment length in a zip file
(65535).
.It Bq Er ZIP_ER_MEMORY
Required memory could not be allocated.
.El
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_get_archive_comment 3 ,
.Xr zip_get_file_comment 3 ,
.Xr zip_set_file_comment 3
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq dillo@giga.or.at
and
.An Thomas Klausner Aq tk@giga.or.at