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_get_comment.mdoc -- get comment for file in zip
   Copyright (C) 2006-2017 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_GET_COMMENT(3)</title>
</head>
<body>
<table class="head">
  <tr>
    <td class="head-ltitle">ZIP_FILE_GET_COMMENT(3)</td>
    <td class="head-vol">Library Functions Manual</td>
    <td class="head-rtitle">ZIP_FILE_GET_COMMENT(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_get_comment</code> &#x2014;
<div class="Nd">get comment 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">const char *</var>
  <br/>
  <code class="Fn">zip_file_get_comment</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_uint32_t
    *lenp</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_get_comment</code>() function returns the comment
  for the file at position <var class="Ar">index</var> in the zip archive. The
  name is in UTF-8 encoding unless <code class="Dv">ZIP_FL_ENC_RAW</code> was
  specified (see below). This pointer should not be modified or
  <a class="Xr" href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/free.html">free(3)</a>'d, and becomes invalid when
  <var class="Ar">archive</var> is closed. If <var class="Ar">lenp</var> is not
  <code class="Dv">NULL</code>, the integer to which it points will be set to
  the length of the comment. If <var class="Ar">flags</var> is set to
  <code class="Dv">ZIP_FL_UNCHANGED</code>, the original unchanged comment is
  returned.
<p class="Pp">Additionally, the following <var class="Ar">flags</var> are
    supported:</p>
<div class="Bd-indent">
<dl class="Bl-tag">
  <dt><a class="permalink" href="#ZIP_FL_ENC_RAW"><code class="Dv" id="ZIP_FL_ENC_RAW">ZIP_FL_ENC_RAW</code></a></dt>
  <dd>Return the unmodified comment as it is in the ZIP archive.</dd>
  <dt><a class="permalink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
  <dd>(Default.) Guess the encoding of the comment in the ZIP archive and
      convert it to UTF-8, if necessary.</dd>
  <dt><a class="permalink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
  <dd>Follow the ZIP specification for file names and extend it to file
      comments, expecting them to be encoded in CP-437 in the ZIP archive
      (except if it is a UTF-8 comment from the special extra field). Convert it
      to UTF-8.</dd>
</dl>
</div>
<i class="Em">Note</i>: ASCII is a subset of both CP-437 and UTF-8.
</section>
<section class="Sh">
<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN
  VALUES</a></h1>
Upon successful completion, a pointer to the comment is returned, or
  <code class="Dv">NULL</code> if there is no comment. In case of an error,
  <code class="Dv">NULL</code> 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_get_comment</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><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_set_comment.html">zip_file_set_comment(3)</a>,
  <a class="Xr" href="zip_get_archive_comment.html">zip_get_archive_comment(3)</a>
</section>
<section class="Sh">
<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
<code class="Fn">zip_file_get_comment</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>