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+.\" zip_error_to_data.mdoc -- create error data for ZIP_SOURCE_ERROR
+.\" Copyright (C) 2014 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>
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in
+.\"    the documentation and/or other materials provided with the
+.\"    distribution.
+.\" 3. The names of the authors may not be used to endorse or promote
+.\"    products derived from this software without specific prior
+.\"    written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd November 2, 2014
+.Dt ZIP_ERROR_TO_DATA 3
+.Os
+.Sh NAME
+.Nm zip_error_to_data
+.Nd convert zip_error to return value suitable for ZIP_SOURCE_ERROR
+.Sh LIBRARY
+libzip (-lzip)
+.Sh SYNOPSIS
+.In zip.h
+.Ft zip_int64_t
+.Fn zip_error_to_data "const zip_error_t *ze" "void *data" "zip_uint64_t len"
+.Sh DESCRIPTION
+.Fn zip_error_to_data
+function converts the zip_error
+.Ar ze
+into data suitable as return value for
+.Dv ZIP_SOURCE_ERROR .
+The data is written into the buffer
+.Ar data
+of size
+.Ar len .
+If the buffer is not large enough to hold 2 ints, an error is
+returned.
+.Sh RETURN VALUES
+.Fn zip_error_to_data
+returns 2*(sizeof int) on success, and \-1 on error.
+.Sh SEE ALSO
+.Xr libzip 3 ,
+.Xr zip_source_function 3
+.Sh AUTHORS
+.An -nosplit
+.An Dieter Baron Aq Mt dillo@nih.at
+and
+.An Thomas Klausner Aq Mt tk@giga.or.at