.\" zip_source_tell_write.mdoc -- report current write offset in source
.\" 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>
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.Dd November 18, 2014
.Dt ZIP_SOURCE_TELL_WRITE 3
.Os
.Sh NAME
.Nm zip_source_tell_write
.Nd report current write offset in zip source
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft zip_int64_t
.Fn zip_source_tell_write "zip_source_t *source"
.Sh DESCRIPTION
The function
.Fn zip_source_tell_write
returns the current write offset
for
.Fa source .
The return value can be passed to
.Xr zip_source_seek_write 3
with
.Ar whence
set to
.Dv SEEK_SET
to return to the same location in the source.
.Sh RETURN VALUES
Upon successful completion the current write offset is returned.
Otherwise, \-1 is returned and the error information in
.Ar source
is set to indicate the error.
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source 3 ,
.Xr zip_source_begin_write 3 ,
.Xr zip_source_commit_write 3 ,
.Xr zip_source_rollback_write 3 ,
.Xr zip_source_tell 3 ,
.Xr zip_source_write 3
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at