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.\" zip_fopen.mdoc \-- open file in zip archive for reading
.\" Copyright (C) 2003-2011 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>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in
.\" the documentation and/or other materials provided with the
.\" distribution.
.\" 3. The names of the authors may not be used to endorse or promote
.\" products derived from this software without specific prior
.\" written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.TH ZIP_FOPEN 3 "February 14, 2011" NiH
.SH "NAME"
zip_fopen , \- .Nm zip_fopen_index
open file in zip archive for reading
.SH "LIBRARY"
libzip (-lzip)
.SH "SYNOPSIS"
#include <zip.h>
.PP
struct zip_file *
zip_fopen(struct zip *archive, const char *fname, int flags);
.PP
struct zip_file *
zip_fopen_index(struct zip *archive, zip_uint64_t index, int flags);
.SH "DESCRIPTION"
The
zip_fopen
function opens the file name
\fBfname\fR
in
\fBarchive.\fR
The
\fBflags\fR
argument specifies how the name lookup should be done, according to
the values are described in
zip_name_locate(3).
Also, the following values may be
.I or'ed
to it.
.RS
.TP 19
\fBZIP_FL_COMPRESSED\fR
Read the compressed data.
Otherwise the data is uncompressed by
zip_fread.
.TP 19
\fBZIP_FL_UNCHANGED\fR
Read the original data from the zip archive, ignoring any changes made
to the file.
.RE
.PP
The
zip_fopen_index
function opens the file at position
\fBindex.\fR
.PP
If encrypted data is encountered, the functions call
zip_fopen_encrypted(3)
or
zip_fopen_index_encrypted(3)
respectively, using the default password set with
zip_set_default_password(3).
.SH "RETURN VALUES"
Upon successful completion, a
.PP
struct zip_file
pointer is returned.
Otherwise,
\fBNULL\fR
is returned and the error code in
\fBarchive\fR
is set to indicate the error.
.SH "ERRORS"
.RS
.TP 4
[ZIP_ER_CHANGED]
The file data has been changed.
.TP 4
[ZIP_ER_COMPNOTSUPP]
The compression method used is not supported.
.TP 4
[ZIP_ER_ENCRNOTSUPP]
The encryption method used is not supported.
.TP 4
[ZIP_ER_MEMORY]
Required memory could not be allocated.
.TP 4
[ZIP_ER_READ]
A file read error occurred.
.TP 4
[ZIP_ER_SEEK]
A file seek error occurred.
.TP 4
[ZIP_ER_ZLIB]
Initializing the zlib stream failed.
.RE
.PP
The function
zip_fopen
may also fail and set
.Va zip_err
for any of the errors specified for the routine
zip_name_locate(3).
.PP
The function
zip_fopen_index
may also fail with
ZIP_ER_INVAL
if
\fBindex\fR
is invalid.
.SH "SEE ALSO"
libzip(3),
zip_fclose(3),
zip_fread(3),
zip_get_num_entries(3),
zip_name_locate(3),
zip_set_default_password(3)
.SH "AUTHORS"
Dieter Baron <dillo@giga.or.at>
and
Thomas Klausner <tk@giga.or.at>
|
