libwebsockets/doc/html/group__fops.html

126 lines
5.6 KiB
HTML
Raw Permalink Normal View History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
2017-03-20 19:37:47 +08:00
<meta name="generator" content="Doxygen 1.8.13"/>
2017-02-05 22:46:39 +08:00
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libwebsockets: file operation wrapping</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="libwebsockets.org-logo.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">libwebsockets
</div>
<div id="projectbrief">Lightweight C library for HTML5 websockets</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
2017-03-20 19:37:47 +08:00
<!-- Generated by Doxygen 1.8.13 -->
2017-02-05 22:46:39 +08:00
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('group__fops.html','');});
</script>
<div id="doc-content">
<div class="header">
<div class="summary">
<a href="#nested-classes">Data Structures</a> &#124;
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">file operation wrapping</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structlws__plat__file__ops.html">lws_plat_file_ops</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gac08aef64c4c34647ed699b24759b6b0e"><td class="memItemLeft" align="right" valign="top">LWS_VISIBLE LWS_EXTERN struct <a class="el" href="structlws__plat__file__ops.html">lws_plat_file_ops</a> *LWS_WARN_UNUSED_RESULT&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__fops.html#gac08aef64c4c34647ed699b24759b6b0e">lws_get_fops</a> (struct lws_context *context)</td></tr>
<tr class="separator:gac08aef64c4c34647ed699b24759b6b0e"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2>File operation wrapping</h2>
<p>Use these helper functions if you want to access a file from the perspective of a specific wsi, which is usually the case. If you just want contextless file access, use the fops callbacks directly with NULL wsi instead of these helpers.</p>
<p>If so, then it calls the platform handler or user overrides where present (as defined in info-&gt;fops)</p>
<p>The advantage from all this is user code can be portable for file operations without having to deal with differences between platforms. </p>
<h2 class="groupheader">Function Documentation</h2>
2017-02-05 22:46:39 +08:00
<a id="gac08aef64c4c34647ed699b24759b6b0e"></a>
2017-03-20 19:37:47 +08:00
<h2 class="memtitle"><span class="permalink"><a href="#gac08aef64c4c34647ed699b24759b6b0e">&#9670;&nbsp;</a></span>lws_get_fops()</h2>
2017-02-05 22:46:39 +08:00
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LWS_VISIBLE LWS_EXTERN struct <a class="el" href="structlws__plat__file__ops.html">lws_plat_file_ops</a>* LWS_WARN_UNUSED_RESULT lws_get_fops </td>
<td>(</td>
<td class="paramtype">struct lws_context *&#160;</td>
<td class="paramname"><em>context</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p><code>#include &lt;<a class="el" href="libwebsockets_8h.html">lib/libwebsockets.h</a>&gt;</code></p>
<p><a class="el" href="group__fops.html#gac08aef64c4c34647ed699b24759b6b0e">lws_get_fops()</a> - get current file ops</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">context</td><td>context </td></tr>
</table>
</dd>
</dl>
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated by
<a href="http://www.doxygen.org/index.html">
2017-03-20 19:37:47 +08:00
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
</ul>
</div>
</body>
</html>