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.\" zip_source_write.mdoc -- write data to zip source
.\" Copyright (C) 2014-2017 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 December 18, 2017
.Dt ZIP_SOURCE_WRITE 3
.Os
.Sh NAME
.Nm zip_source_write
.Nd write data to zip source
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft zip_int64_t
.Fn zip_source_write "zip_source_t *source" "const void *data" "zip_uint64_t len"
.Sh DESCRIPTION
The function
.Fn zip_source_write
writes
.Ar len
bytes from the buffer
.Ar data
to the zip source
.Ar source
at the current write offset.
.Pp
The zip source
.Ar source
has to be prepared for writing by calling
.Xr zip_source_begin_write 3
first.
.Sh RETURN VALUES
Upon successful completion the number of bytes written 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_seek_write 3 ,
.Xr zip_source_tell_write 3
.Sh HISTORY
.Fn zip_source_write
was added in libzip 1.0.
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at