libzip-sys 0.1.1

libzip ffi binding
Documentation 
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<!DOCTYPE html>
<html>
<!-- This is an automatically generated file.  Do not edit.
   zip_file_extra_field_set.mdoc -- set extra field for file in zip
   Copyright (C) 2012-2017 Dieter Baron and Thomas Klausner
  
   This file is part of libzip, a library to manipulate ZIP files.
   The authors can be contacted at <libzip@nih.at>
  
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<head>
  <meta charset="utf-8"/>
  <link rel="stylesheet" href="../nih-man.css" type="text/css" media="all"/>
  <title>ZIP_FILE_EXTRA_FIELD_SET(3)</title>
</head>
<body>
<table class="head">
  <tr>
    <td class="head-ltitle">ZIP_FILE_EXTRA_FIELD_SET(3)</td>
    <td class="head-vol">Library Functions Manual</td>
    <td class="head-rtitle">ZIP_FILE_EXTRA_FIELD_SET(3)</td>
  </tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<code class="Nm">zip_file_extra_field_set</code> &#x2014;
<div class="Nd">set extra field for file in zip</div>
</section>
<section class="Sh">
<h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1>
libzip (-lzip)
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<code class="In">#include &lt;<a class="In">zip.h</a>&gt;</code>
<p class="Pp"><var class="Ft">int</var>
  <br/>
  <code class="Fn">zip_file_extra_field_set</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_uint16_t
    extra_field_id</var>,
    <var class="Fa" style="white-space: nowrap;">zip_uint16_t
    extra_field_index</var>, <var class="Fa" style="white-space: nowrap;">const
    zip_uint8_t *extra_field_data</var>,
    <var class="Fa" style="white-space: nowrap;">zip_uint16_t len</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>
The <code class="Fn">zip_file_extra_field_set</code>() function sets the extra
  field with ID (two-byte signature) <var class="Ar">extra_field_id</var> and
  index <var class="Ar">extra_field_index</var> for the file at position
  <var class="Ar">index</var> in the zip archive. The extra field's data will be
  set to <var class="Ar">extra_field_data</var> and length
  <var class="Ar">len</var>. If a new entry shall be appended, set
  <var class="Ar">extra_field_index</var> to
  <code class="Dv">ZIP_EXTRA_FIELD_NEW</code>.
<p class="Pp">At least one of the following <var class="Ar">flags</var> must be
    set:</p>
<div class="Bd-indent">
<dl class="Bl-tag">
  <dt><a class="permalink" href="#ZIP_FL_CENTRAL"><code class="Dv" id="ZIP_FL_CENTRAL">ZIP_FL_CENTRAL</code></a></dt>
  <dd>Set extra field in the archive's central directory.</dd>
  <dt><a class="permalink" href="#ZIP_FL_LOCAL"><code class="Dv" id="ZIP_FL_LOCAL">ZIP_FL_LOCAL</code></a></dt>
  <dd>Set extra field in the local file headers.</dd>
</dl>
</div>
<p class="Pp">Please note that the extra field IDs 0x0001 (ZIP64 extension),
    0x6375 (Infozip UTF-8 comment), and 0x7075 (Infozip UTF-8 file name) can not
    be set using <code class="Fn">zip_file_extra_field_set</code>() since they
    are set by <a class="Xr" href="libzip.html">libzip(3)</a> automatically when
    needed.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN
  VALUES</a></h1>
Upon successful completion 0 is returned. Otherwise, -1 is returned and the
  error code in <var class="Ar">archive</var> is set to indicate the error.
</section>
<section class="Sh">
<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1>
<code class="Fn">zip_file_extra_field_set</code>() fails if:
<dl class="Bl-tag">
  <dt>[<a class="permalink" href="#ZIP_ER_INVAL"><code class="Er" id="ZIP_ER_INVAL">ZIP_ER_INVAL</code></a>]</dt>
  <dd>The extra field size is too large (ID and length need 4 bytes; the maximum
      length of all extra fields for one file combined is 65536 bytes). This
      error also occurs if <var class="Ar">extra_field_index</var> is too
    large.</dd>
  <dt>[<a class="permalink" href="#ZIP_ER_MEMORY"><code class="Er" id="ZIP_ER_MEMORY">ZIP_ER_MEMORY</code></a>]</dt>
  <dd>Required memory could not be allocated.</dd>
  <dt>[<a class="permalink" href="#ZIP_ER_NOENT"><code class="Er" id="ZIP_ER_NOENT">ZIP_ER_NOENT</code></a>]</dt>
  <dd><var class="Ar">index</var> is not a valid file index in
      <var class="Ar">archive</var>.</dd>
</dl>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
  ALSO</a></h1>
<a class="Xr" href="libzip.html">libzip(3)</a>,
  <a class="Xr" href="zip_file_extra_field_delete.html">zip_file_extra_field_delete(3)</a>,
  <a class="Xr" href="zip_file_extra_field_get.html">zip_file_extra_field_get(3)</a>,
  <a class="Xr" href="zip_file_extra_fields_count.html">zip_file_extra_fields_count(3)</a>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<code class="Fn">zip_file_extra_field_set</code>() was added in libzip 0.11.
</section>
<section class="Sh">
<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
<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:tk@giga.or.at">tk@giga.or.at</a>&gt;
</section>
</div>
<table class="foot">
  <tr>
    <td class="foot-date">December 18, 2017</td>
    <td class="foot-os">NetBSD 8.99.35</td>
  </tr>
</table>
</body>
</html>