man/zip_file_get_comment.html - third_party/libzip - Git at Google

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    zip_file_get_comment.mdoc -- get comment for file in zip
    Copyright (C) 2006-2017 Dieter Baron and Thomas Klausner

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    The authors can be contacted at <libzip@nih.at>

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     <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>
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 <div class="manual-text">
 <h1 class="Sh" title="Sh" id="NAME"><a class="selflink" href="#NAME">NAME</a></h1>
 <b class="Nm" title="Nm">zip_file_get_comment</b> &#x2014;
   <span class="Nd" title="Nd">get comment for file in zip</span>
 <h1 class="Sh" title="Sh" id="LIBRARY"><a class="selflink" href="#LIBRARY">LIBRARY</a></h1>
 libzip (-lzip)
 <h1 class="Sh" title="Sh" id="SYNOPSIS"><a class="selflink" href="#SYNOPSIS">SYNOPSIS</a></h1>
 <b class="In" title="In">#include &lt;<a class="In" title="In">zip.h</a>&gt;</b>
 <div class="Pp"></div>
 <var class="Ft" title="Ft">const char *</var>
 <br/>
 <b class="Fn" title="Fn">zip_file_get_comment</b>(<var class="Fa" title="Fa" style="white-space: nowrap;">zip_t
   *archive</var>,
   <var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint64_t
   index</var>,
   <var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint32_t
   *lenp</var>,
   <var class="Fa" title="Fa" style="white-space: nowrap;">zip_flags_t
   flags</var>);
 <h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="selflink" href="#DESCRIPTION">DESCRIPTION</a></h1>
 The <b class="Fn" title="Fn">zip_file_get_comment</b>() function returns the
   comment for the file at position <var class="Ar" title="Ar">index</var> in the
   zip archive. The name is in UTF-8 encoding unless
   <code class="Dv" title="Dv">ZIP_FL_ENC_RAW</code> was specified (see below).
   This pointer should not be modified or
   <a class="Xr" title="Xr" href="free.html">free(3)</a>'d, and becomes invalid
   when <var class="Ar" title="Ar">archive</var> is closed. If
   <var class="Ar" title="Ar">lenp</var> is not
   <code class="Dv" title="Dv">NULL</code>, the integer to which it points will
   be set to the length of the comment. If <var class="Ar" title="Ar">flags</var>
   is set to <code class="Dv" title="Dv">ZIP_FL_UNCHANGED</code>, the original
   unchanged comment is returned.
 <div class="Pp"></div>
 Additionally, the following <var class="Ar" title="Ar">flags</var> are
   supported:
 <div class="Bl-tag" style="margin-left: 6.00ex;">
 <dl class="Bl-tag" style="margin-left: 25.80ex;">
   <dt class="It-tag" style="margin-left: -25.80ex;">&#x00A0;</dt>
   <dd class="It-tag">&#x00A0;</dd>
   <dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_RAW"><code class="Dv" title="Dv" id="ZIP_FL_ENC_RAW">ZIP_FL_ENC_RAW</code></a></dt>
   <dd class="It-tag">Return the unmodified comment as it is in the ZIP
     archive.</dd>
   <dt class="It-tag" style="margin-left: -25.80ex;">&#x00A0;</dt>
   <dd class="It-tag">&#x00A0;</dd>
   <dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" title="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
   <dd class="It-tag">(Default.) Guess the encoding of the comment in the ZIP
       archive and convert it to UTF-8, if necessary.</dd>
   <dt class="It-tag" style="margin-left: -25.80ex;">&#x00A0;</dt>
   <dd class="It-tag">&#x00A0;</dd>
   <dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" title="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
   <dd class="It-tag">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" title="Em">Note</i>: ASCII is a subset of both CP-437 and UTF-8.
 <h1 class="Sh" title="Sh" id="RETURN_VALUES"><a class="selflink" href="#RETURN_VALUES">RETURN
   VALUES</a></h1>
 Upon successful completion, a pointer to the comment is returned, or
   <code class="Dv" title="Dv">NULL</code> if there is no comment. In case of an
   error, <code class="Dv" title="Dv">NULL</code> is returned and the error code
   in <var class="Ar" title="Ar">archive</var> is set to indicate the error.
 <h1 class="Sh" title="Sh" id="ERRORS"><a class="selflink" href="#ERRORS">ERRORS</a></h1>
 <b class="Fn" title="Fn">zip_file_get_comment</b>() fails if:
 <dl class="Bl-tag" style="margin-left: 23.40ex;">
   <dt class="It-tag" style="margin-left: -23.40ex;">&#x00A0;</dt>
   <dd class="It-tag">&#x00A0;</dd>
   <dt class="It-tag" style="margin-left: -23.40ex;">[<a class="selflink" href="#ZIP_ER_INVAL"><code class="Er" title="Er" id="ZIP_ER_INVAL">ZIP_ER_INVAL</code></a>]</dt>
   <dd class="It-tag"><var class="Ar" title="Ar">index</var> is not a valid file
       index in <var class="Ar" title="Ar">archive</var>.</dd>
 </dl>
 <h1 class="Sh" title="Sh" id="SEE_ALSO"><a class="selflink" href="#SEE_ALSO">SEE
   ALSO</a></h1>
 <a class="Xr" title="Xr" href="libzip.html">libzip(3)</a>,
   <a class="Xr" title="Xr" href="zip_file_set_comment.html">zip_file_set_comment(3)</a>,
   <a class="Xr" title="Xr" href="zip_get_archive_comment.html">zip_get_archive_comment(3)</a>
 <h1 class="Sh" title="Sh" id="HISTORY"><a class="selflink" href="#HISTORY">HISTORY</a></h1>
 <b class="Fn" title="Fn">zip_file_get_comment</b>() was added in libzip 0.11.
 <h1 class="Sh" title="Sh" id="AUTHORS"><a class="selflink" href="#AUTHORS">AUTHORS</a></h1>
 <span class="An" title="An">Dieter Baron</span>
   &lt;<a class="Mt" title="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>&gt;
   and <span class="An" title="An">Thomas Klausner</span>
   &lt;<a class="Mt" title="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>&gt;</div>
 <table class="foot">
   <tr>
     <td class="foot-date">December 18, 2017</td>
     <td class="foot-os">NetBSD 8.99.14</td>
   </tr>
 </table>
 </body>
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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>

	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
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	div.Pp { margin: 1ex 0ex; }
	</style>
	<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">
	<h1 class="Sh" title="Sh" id="NAME"><a class="selflink" href="#NAME">NAME</a></h1>
	<b class="Nm" title="Nm">zip_file_get_comment</b> —
	<span class="Nd" title="Nd">get comment for file in zip</span>
	<h1 class="Sh" title="Sh" id="LIBRARY"><a class="selflink" href="#LIBRARY">LIBRARY</a></h1>
	libzip (-lzip)
	<h1 class="Sh" title="Sh" id="SYNOPSIS"><a class="selflink" href="#SYNOPSIS">SYNOPSIS</a></h1>
	<b class="In" title="In">#include <<a class="In" title="In">zip.h</a>></b>
	<div class="Pp"></div>
	<var class="Ft" title="Ft">const char *</var>
	<br/>
	<b class="Fn" title="Fn">zip_file_get_comment</b>(<var class="Fa" title="Fa" style="white-space: nowrap;">zip_t
	*archive</var>,
	<var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint64_t
	index</var>,
	<var class="Fa" title="Fa" style="white-space: nowrap;">zip_uint32_t
	*lenp</var>,
	<var class="Fa" title="Fa" style="white-space: nowrap;">zip_flags_t
	flags</var>);
	<h1 class="Sh" title="Sh" id="DESCRIPTION"><a class="selflink" href="#DESCRIPTION">DESCRIPTION</a></h1>
	The <b class="Fn" title="Fn">zip_file_get_comment</b>() function returns the
	comment for the file at position <var class="Ar" title="Ar">index</var> in the
	zip archive. The name is in UTF-8 encoding unless
	<code class="Dv" title="Dv">ZIP_FL_ENC_RAW</code> was specified (see below).
	This pointer should not be modified or
	<a class="Xr" title="Xr" href="free.html">free(3)</a>'d, and becomes invalid
	when <var class="Ar" title="Ar">archive</var> is closed. If
	<var class="Ar" title="Ar">lenp</var> is not
	<code class="Dv" title="Dv">NULL</code>, the integer to which it points will
	be set to the length of the comment. If <var class="Ar" title="Ar">flags</var>
	is set to <code class="Dv" title="Dv">ZIP_FL_UNCHANGED</code>, the original
	unchanged comment is returned.
	<div class="Pp"></div>
	Additionally, the following <var class="Ar" title="Ar">flags</var> are
	supported:
	<div class="Bl-tag" style="margin-left: 6.00ex;">
	<dl class="Bl-tag" style="margin-left: 25.80ex;">
	<dt class="It-tag" style="margin-left: -25.80ex;"> </dt>
	<dd class="It-tag"> </dd>
	<dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_RAW"><code class="Dv" title="Dv" id="ZIP_FL_ENC_RAW">ZIP_FL_ENC_RAW</code></a></dt>
	<dd class="It-tag">Return the unmodified comment as it is in the ZIP
	archive.</dd>
	<dt class="It-tag" style="margin-left: -25.80ex;"> </dt>
	<dd class="It-tag"> </dd>
	<dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_GUESS"><code class="Dv" title="Dv" id="ZIP_FL_ENC_GUESS">ZIP_FL_ENC_GUESS</code></a></dt>
	<dd class="It-tag">(Default.) Guess the encoding of the comment in the ZIP
	archive and convert it to UTF-8, if necessary.</dd>
	<dt class="It-tag" style="margin-left: -25.80ex;"> </dt>
	<dd class="It-tag"> </dd>
	<dt class="It-tag" style="margin-left: -25.80ex;"><a class="selflink" href="#ZIP_FL_ENC_STRICT"><code class="Dv" title="Dv" id="ZIP_FL_ENC_STRICT">ZIP_FL_ENC_STRICT</code></a></dt>
	<dd class="It-tag">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" title="Em">Note</i>: ASCII is a subset of both CP-437 and UTF-8.
	<h1 class="Sh" title="Sh" id="RETURN_VALUES"><a class="selflink" href="#RETURN_VALUES">RETURN
	VALUES</a></h1>
	Upon successful completion, a pointer to the comment is returned, or
	<code class="Dv" title="Dv">NULL</code> if there is no comment. In case of an
	error, <code class="Dv" title="Dv">NULL</code> is returned and the error code
	in <var class="Ar" title="Ar">archive</var> is set to indicate the error.
	<h1 class="Sh" title="Sh" id="ERRORS"><a class="selflink" href="#ERRORS">ERRORS</a></h1>
	<b class="Fn" title="Fn">zip_file_get_comment</b>() fails if:
	<dl class="Bl-tag" style="margin-left: 23.40ex;">
	<dt class="It-tag" style="margin-left: -23.40ex;"> </dt>
	<dd class="It-tag"> </dd>
	<dt class="It-tag" style="margin-left: -23.40ex;">[<a class="selflink" href="#ZIP_ER_INVAL"><code class="Er" title="Er" id="ZIP_ER_INVAL">ZIP_ER_INVAL</code></a>]</dt>
	<dd class="It-tag"><var class="Ar" title="Ar">index</var> is not a valid file
	index in <var class="Ar" title="Ar">archive</var>.</dd>
	</dl>
	<h1 class="Sh" title="Sh" id="SEE_ALSO"><a class="selflink" href="#SEE_ALSO">SEE
	ALSO</a></h1>
	<a class="Xr" title="Xr" href="libzip.html">libzip(3)</a>,
	<a class="Xr" title="Xr" href="zip_file_set_comment.html">zip_file_set_comment(3)</a>,
	<a class="Xr" title="Xr" href="zip_get_archive_comment.html">zip_get_archive_comment(3)</a>
	<h1 class="Sh" title="Sh" id="HISTORY"><a class="selflink" href="#HISTORY">HISTORY</a></h1>
	<b class="Fn" title="Fn">zip_file_get_comment</b>() was added in libzip 0.11.
	<h1 class="Sh" title="Sh" id="AUTHORS"><a class="selflink" href="#AUTHORS">AUTHORS</a></h1>
	<span class="An" title="An">Dieter Baron</span>
	<<a class="Mt" title="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>>
	and <span class="An" title="An">Thomas Klausner</span>
	<<a class="Mt" title="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>></div>
	<table class="foot">
	<tr>
	<td class="foot-date">December 18, 2017</td>
	<td class="foot-os">NetBSD 8.99.14</td>
	</tr>
	</table>
	</body>
	</html>