.\" Automatically generated from an mdoc input file.  Do not edit.
.\" zip_unchange.mdoc -- undo changes to file in zip archive
.\" Copyright (C) 2003-2017 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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.TH "ZIP_UNCHANGE" "3" "December 18, 2017" "NiH" "Library Functions Manual"
.nh
.if n .ad l
.SH "NAME"
\fBzip_unchange\fR
\- undo changes to file in zip archive
.SH "LIBRARY"
libzip (-lzip)
.SH "SYNOPSIS"
\fB#include <zip.h>\fR
.sp
\fIint\fR
.br
.PD 0
.HP 4n
\fBzip_unchange\fR(\fIzip_t\ *archive\fR, \fIzip_uint64_t\ index\fR);
.PD
.SH "DESCRIPTION"
Changes to the file at position
\fIindex\fR
are reverted.
.SH "RETURN VALUES"
Upon successful completion 0 is returned.
Otherwise, \-1 is returned and the error code in
\fIarchive\fR
is set to indicate the error.
.SH "ERRORS"
\fBzip_unchange\fR()
fails if:
.TP 19n
[\fRZIP_ER_EXISTS\fR]
Unchanging the name would result in a duplicate name in the archive.
.TP 19n
[\fRZIP_ER_INVAL\fR]
\fIindex\fR
is not a valid file index in
\fIzip\fR.
.SH "SEE ALSO"
libzip(3),
zip_unchange_all(3),
zip_unchange_archive(3)
.SH "HISTORY"
\fBzip_unchange\fR()
was added in libzip 0.6.
In libzip 0.10 the type of
\fIindex\fR
was changed from
\fIint\fR
to
\fIzip_uint64_t\fR.
.SH "AUTHORS"
Dieter Baron <\fIdillo@nih.at\fR>
and
Thomas Klausner <\fItk@giga.or.at\fR>