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<!DOCTYPE html>
<html>
<!-- This is an automatically generated file.  Do not edit.
   zip_fdopen.mdoc -- open zip archive using existing file descriptor
   Copyright (C) 2009-2021 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>
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:
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   -->
<head>
  <meta charset="utf-8"/>
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <link rel="stylesheet" href="../nih-man.css" type="text/css" media="all"/>
  <title>ZIP_FDOPEN(3)</title>
</head>
<body>
<table class="head">
  <tr>
    <td class="head-ltitle">ZIP_FDOPEN(3)</td>
    <td class="head-vol">Library Functions Manual</td>
    <td class="head-rtitle">ZIP_FDOPEN(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_fdopen</code> &#x2014; <span class="Nd">open
    zip archive using open file descriptor</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
  &lt;<a class="In">zip.h</a>&gt;</code></p>
<p class="Pp"><var class="Ft">zip_t *</var>
  <br/>
  <code class="Fn">zip_fdopen</code>(<var class="Fa" style="white-space: nowrap;">int
    fd</var>, <var class="Fa" style="white-space: nowrap;">int flags</var>,
    <var class="Fa" style="white-space: nowrap;">int *errorp</var>);</p>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<p class="Pp">The zip archive specified by the open file descriptor
    <var class="Ar">fd</var> is opened and a pointer to a <var class="Ft">struct
    zip</var>, used to manipulate the archive, is returned. In contrast to
    <a class="Xr" href="zip_open.html">zip_open(3)</a>, using
    <code class="Nm">zip_fdopen</code> the archive can only be opened in
    read-only mode. The <var class="Ar">fd</var> argument may not be used any
    longer after calling <code class="Nm">zip_fdopen</code>. The
    <var class="Fa">flags</var> are specified by
    <a class="permalink" href="#or"><i class="Em" id="or">or</i></a><span class="No">'ing</span>
    the following values, or 0 for none of them.</p>
<div class="Bd-indent">
<dl class="Bl-tag">
  <dt id="ZIP_CHECKCONS"><a class="permalink" href="#ZIP_CHECKCONS"><code class="Dv">ZIP_CHECKCONS</code></a></dt>
  <dd>Perform additional stricter consistency checks on the archive, and error
      if they fail.</dd>
</dl>
</div>
<p class="Pp">If an error occurs and <var class="Ar">errorp</var> is
    <span class="No">non-</span><code class="Dv">NULL</code>, it will be set to
    the corresponding error code.</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 <code class="Fn">zip_fdopen</code>()
    returns a <var class="Ft">struct zip</var> pointer, and
    <var class="Ar">fd</var> should not be used any longer, nor passed to
    <a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html">close(2)</a>. Otherwise,
    <code class="Dv">NULL</code> is returned and <var class="Ar">*errorp</var>
    is set to indicate the error. In the error case, <var class="Ar">fd</var>
    remains unchanged.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1>
<p class="Pp">The file specified by <var class="Ar">fd</var> is prepared for use
    by <a class="Xr" href="libzip.html">libzip(3)</a> unless:</p>
<dl class="Bl-tag">
  <dt id="ZIP_ER_INCONS">[<a class="permalink" href="#ZIP_ER_INCONS"><code class="Er">ZIP_ER_INCONS</code></a>]</dt>
  <dd>Inconsistencies were found in the file specified by
      <var class="Ar">path</var>. This error is often caused by specifying
      <code class="Dv">ZIP_CHECKCONS</code> but can also happen without it.</dd>
  <dt id="ZIP_ER_INVAL">[<a class="permalink" href="#ZIP_ER_INVAL"><code class="Er">ZIP_ER_INVAL</code></a>]</dt>
  <dd>The <var class="Ar">flags</var> argument is invalid. Not all
      <a class="Xr" href="zip_open.html">zip_open(3)</a> flags are allowed for
      <code class="Nm">zip_fdopen</code>, see
      <a class="Sx" href="#DESCRIPTION">DESCRIPTION</a>.</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_NOZIP">[<a class="permalink" href="#ZIP_ER_NOZIP"><code class="Er">ZIP_ER_NOZIP</code></a>]</dt>
  <dd>The file specified by <var class="Ar">fd</var> is not a zip archive.</dd>
  <dt id="ZIP_ER_OPEN">[<a class="permalink" href="#ZIP_ER_OPEN"><code class="Er">ZIP_ER_OPEN</code></a>]</dt>
  <dd>The file specified by <var class="Ar">fd</var> could not be prepared for
      use by <a class="Xr" href="libzip.html">libzip(3)</a>.</dd>
  <dt id="ZIP_ER_OPNOTSUPP">[<a class="permalink" href="#ZIP_ER_OPNOTSUPP"><code class="Er">ZIP_ER_OPNOTSUPP</code></a>]</dt>
  <dd>This functionality has been disabled at compile time.</dd>
  <dt id="ZIP_ER_READ">[<a class="permalink" href="#ZIP_ER_READ"><code class="Er">ZIP_ER_READ</code></a>]</dt>
  <dd>A read error occurred; see <var class="Va">errno</var> for details.</dd>
  <dt id="ZIP_ER_SEEK">[<a class="permalink" href="#ZIP_ER_SEEK"><code class="Er">ZIP_ER_SEEK</code></a>]</dt>
  <dd>The file specified by <var class="Ar">fd</var> does not allow seeks.</dd>
</dl>
</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_close.html">zip_close(3)</a>,
    <a class="Xr" href="zip_error_strerror.html">zip_error_strerror(3)</a>,
    <a class="Xr" href="zip_open.html">zip_open(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_fdopen</code>() was 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>
    &lt;<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>&gt; and
    <span class="An">Thomas Klausner</span>
    &lt;<a class="Mt" href="mailto:wiz@gatalith.at">wiz@gatalith.at</a>&gt;</p>
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">September 23, 2022</td>
    <td class="foot-os">NiH</td>
  </tr>
</table>
</body>
</html>