.\" zip_open.mdoc \-- open zip archive
.\" Copyright (C) 2003-2009 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_OPEN 3 "February 15, 2009" NiH
.SH "NAME"
zip_open \- open zip archive
.SH "LIBRARY"
libzip (-lzip)
.SH "SYNOPSIS"
#include <zip.h>
.PP
struct zip *
zip_open(const char *path, int flags, int *errorp);
.SH "DESCRIPTION"
The zip archive specified by
\fBpath\fR
is opened and a pointer to a
.PP
struct zip,
used to manipulate the archive, is returned.
The
.Fa flags
are specified by
.I or'ing
the following values, or 0 for none of them.
.RS
.TP 15
\fBZIP_CREATE\fR
Create the archive if it does not exist.
.TP 15
\fBZIP_EXCL\fR
Error if archive already exists.
.TP 15
\fBZIP_CHECKCONS\fR
Perform additional consistency checks on the archive, and error if
they fail.
.RE
.PP
If an error occurs and
\fBerrorp\fR
is non-NULL, it will be set to the corresponding error code.
.SH "RETURN VALUES"
Upon successful completion
zip_open
returns a
.PP
struct zip
pointer.
Otherwise,
\fBNULL\fR
is returned and
\fB*errorp\fR
is set to indicate the error.
.SH "ERRORS"
The archive specified by
\fBpath\fR
is opened unless:
.RS
.TP 4
[ZIP_ER_EXISTS]
The file specified by
\fBpath\fR
exists and
\fBZIP_EXCL\fR
is set.
.TP 4
[ZIP_ER_INCONS]
Inconsistencies were found in the file specified by
\fBpath\fR
and
\fBZIP_CHECKCONS\fR
was specified.
.TP 4
[ZIP_ER_INVAL]
The
\fBpath\fR
argument is
\fBNULL.\fR
.TP 4
[ZIP_ER_MEMORY]
Required memory could not be allocated.
.TP 4
[ZIP_ER_NOENT]
The file specified by
\fBpath\fR
does not exist and
\fBZIP_CREATE\fR
is not set.
.TP 4
[ZIP_ER_NOZIP]
The file specified by
\fBpath\fR
is not a zip archive.
.TP 4
[ZIP_ER_OPEN]
The file specified by
\fBpath\fR
could not be opened.
.TP 4
[ZIP_ER_READ]
A read error occurred; see
.Va errno
for details.
.TP 4
[ZIP_ER_SEEK]
The file specified by
\fBpath\fR
does not allow seeks.
.RE
.SH "SEE ALSO"
libzip(3),
zip_close(3),
zip_error_to_str(3),
zip_fdopen(3)
.SH "AUTHORS"

Dieter Baron <dillo@giga.or.at>
and
Thomas Klausner <tk@giga.or.at>