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.\" zip_source_rollback_write.mdoc -- undo changes 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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.\" modification, are permitted provided that the following conditions
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.Dd December 18, 2017
.Dt ZIP_SOURCE_ROLLBACK_WRITE 3
.Os
.Sh NAME
.Nm zip_source_rollback_write
.Nd undo changes to zip source
.Sh LIBRARY
libzip (-lzip)
.Sh SYNOPSIS
.In zip.h
.Ft void
.Fn zip_source_rollback_write "zip_source_t *source"
.Sh DESCRIPTION
The function
.Fn zip_source_rollback_write
reverts changes written to
.Fa source ,
restoring the data before
.Xr zip_source_begin_write 3
was called.
Usually this removes temporary files or frees buffers.
.Sh RETURN VALUES
Upon successful completion 0 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_seek_write 3 ,
.Xr zip_source_tell_write 3 ,
.Xr zip_source_write 3
.Sh HISTORY
.Fn zip_source_rollback_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