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<!-- This is an automatically generated file. Do not edit.
zip_fopen.mdoc -- open file in zip archive for reading
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 <info@libzip.org>
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<title>ZIP_FOPEN(3)</title>
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<body>
<table class="head">
<tr>
<td class="head-ltitle">ZIP_FOPEN(3)</td>
<td class="head-vol">Library Functions Manual</td>
<td class="head-rtitle">ZIP_FOPEN(3)</td>
</tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<p class="Pp"><code class="Nm">zip_fopen</code>,
<code class="Nm">zip_fopen_index</code> — <span class="Nd">open file
in zip archive for reading</span></p>
</section>
<section class="Sh">
<h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1>
<p class="Pp">libzip (-lzip)</p>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<p class="Pp"><code class="In">#include
<<a class="In">zip.h</a>></code></p>
<p class="Pp"><var class="Ft">zip_file_t *</var>
<br/>
<code class="Fn">zip_fopen</code>(<var class="Fa" style="white-space: nowrap;">zip_t
*archive</var>, <var class="Fa" style="white-space: nowrap;">const char
*fname</var>, <var class="Fa" style="white-space: nowrap;">zip_flags_t
flags</var>);</p>
<p class="Pp"><var class="Ft">zip_file_t *</var>
<br/>
<code class="Fn">zip_fopen_index</code>(<var class="Fa" style="white-space: nowrap;">zip_t
*archive</var>, <var class="Fa" style="white-space: nowrap;">zip_uint64_t
index</var>, <var class="Fa" style="white-space: nowrap;">zip_flags_t
flags</var>);</p>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The
<a class="permalink" href="#zip_fopen"><code class="Fn" id="zip_fopen">zip_fopen</code></a>()
function opens the file name <var class="Ar">fname</var> in
<var class="Ar">archive</var>. The <var class="Ar">flags</var> argument
specifies how the name lookup should be done, according to the values are
described in
<a class="Xr" href="zip_name_locate.html">zip_name_locate(3)</a>. Also, the
following values may be
<a class="permalink" href="#or"><i class="Em" id="or">or</i></a><span class="No">'ed</span>
to it.</p>
<div class="Bd-indent">
<dl class="Bl-tag">
<dt id="ZIP_FL_COMPRESSED"><a class="permalink" href="#ZIP_FL_COMPRESSED"><code class="Dv">ZIP_FL_COMPRESSED</code></a></dt>
<dd>Read the compressed data. Otherwise the data is uncompressed by
<a class="permalink" href="#zip_fread"><code class="Fn" id="zip_fread">zip_fread</code></a>().</dd>
<dt id="ZIP_FL_UNCHANGED"><a class="permalink" href="#ZIP_FL_UNCHANGED"><code class="Dv">ZIP_FL_UNCHANGED</code></a></dt>
<dd>Read the original data from the zip archive, ignoring any changes made to
the file; this is not supported by all data sources.</dd>
</dl>
</div>
<p class="Pp" id="zip_fopen_index">The
<a class="permalink" href="#zip_fopen_index"><code class="Fn">zip_fopen_index</code></a>()
function opens the file at position <var class="Ar">index</var>.</p>
<p class="Pp">If encrypted data is encountered, the functions call
<a class="Xr" href="zip_fopen_encrypted.html">zip_fopen_encrypted(3)</a> or
<a class="Xr" href="zip_fopen_index_encrypted.html">zip_fopen_index_encrypted(3)</a>
respectively, using the default password set with
<a class="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a>.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN
VALUES</a></h1>
<p class="Pp">Upon successful completion, a <var class="Ft">struct
zip_file</var> pointer is returned. Otherwise, <code class="Dv">NULL</code>
is returned and the error code in <var class="Ar">archive</var> is set to
indicate the error.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1>
<dl class="Bl-tag">
<dt id="ZIP_ER_CHANGED">[<a class="permalink" href="#ZIP_ER_CHANGED"><code class="Er">ZIP_ER_CHANGED</code></a>]</dt>
<dd>The file data has been changed and the data source does not support
rereading data.</dd>
<dt id="ZIP_ER_COMPNOTSUPP">[<a class="permalink" href="#ZIP_ER_COMPNOTSUPP"><code class="Er">ZIP_ER_COMPNOTSUPP</code></a>]</dt>
<dd>The compression method used is not supported.</dd>
<dt id="ZIP_ER_ENCRNOTSUPP">[<a class="permalink" href="#ZIP_ER_ENCRNOTSUPP"><code class="Er">ZIP_ER_ENCRNOTSUPP</code></a>]</dt>
<dd>The encryption method used is not supported.</dd>
<dt id="ZIP_ER_MEMORY">[<a class="permalink" href="#ZIP_ER_MEMORY"><code class="Er">ZIP_ER_MEMORY</code></a>]</dt>
<dd>Required memory could not be allocated.</dd>
<dt id="ZIP_ER_NOPASSWD">[<a class="permalink" href="#ZIP_ER_NOPASSWD"><code class="Er">ZIP_ER_NOPASSWD</code></a>]</dt>
<dd>The file is encrypted, but no password has been provided.</dd>
<dt id="ZIP_ER_READ">[<a class="permalink" href="#ZIP_ER_READ"><code class="Er">ZIP_ER_READ</code></a>]</dt>
<dd>A file read error occurred.</dd>
<dt id="ZIP_ER_SEEK">[<a class="permalink" href="#ZIP_ER_SEEK"><code class="Er">ZIP_ER_SEEK</code></a>]</dt>
<dd>A file seek error occurred.</dd>
<dt id="ZIP_ER_WRONGPASSWD">[<a class="permalink" href="#ZIP_ER_WRONGPASSWD"><code class="Er">ZIP_ER_WRONGPASSWD</code></a>]</dt>
<dd>The provided password does not match the password used for encryption.
Note that some incorrect passwords are not detected by the check done by
<code class="Fn">zip_fopen</code>().</dd>
<dt id="ZIP_ER_ZLIB">[<a class="permalink" href="#ZIP_ER_ZLIB"><code class="Er">ZIP_ER_ZLIB</code></a>]</dt>
<dd>Initializing the zlib stream failed.</dd>
</dl>
<p class="Pp">The function <code class="Fn">zip_fopen</code>() may also fail and
set <var class="Va">zip_err</var> for any of the errors specified for the
routine
<a class="Xr" href="zip_name_locate.html">zip_name_locate(3)</a>.</p>
<p class="Pp">The function <code class="Fn">zip_fopen_index</code>() may also
fail with <code class="Er">ZIP_ER_INVAL</code> if
<var class="Ar">index</var> is invalid.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
ALSO</a></h1>
<p class="Pp"><a class="Xr" href="libzip.html">libzip(3)</a>,
<a class="Xr" href="zip_fclose.html">zip_fclose(3)</a>,
<a class="Xr" href="zip_fread.html">zip_fread(3)</a>,
<a class="Xr" href="zip_fseek.html">zip_fseek(3)</a>,
<a class="Xr" href="zip_get_num_entries.html">zip_get_num_entries(3)</a>,
<a class="Xr" href="zip_name_locate.html">zip_name_locate(3)</a>,
<a class="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a></p>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<p class="Pp"><code class="Fn">zip_fopen</code>() and
<code class="Fn">zip_fopen_index</code>() were added in libzip 1.0.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<p class="Pp"><span class="An">Dieter Baron</span>
<<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>> and
<span class="An">Thomas Klausner</span>
<<a class="Mt" href="mailto:wiz@gatalith.at">wiz@gatalith.at</a>></p>
</section>
</div>
<table class="foot">
<tr>
<td class="foot-date">December 18, 2017</td>
<td class="foot-os">NiH</td>
</tr>
</table>
</body>
</html>
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