1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>http::parser::content_length_remaining</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../boost__beast__http__parser.html" title="http::parser"> 9<link rel="prev" href="content_length.html" title="http::parser::content_length"> 10<link rel="next" href="need_eof.html" title="http::parser::need_eof"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="content_length.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__parser.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="need_eof.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="beast.ref.boost__beast__http__parser.content_length_remaining"></a><a class="link" href="content_length_remaining.html" title="http::parser::content_length_remaining">http::parser::content_length_remaining</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm46057530439120"></a> 31 </p> 32<p> 33 (Inherited from <a class="link" href="../boost__beast__http__basic_parser.html" title="http::basic_parser"><code class="computeroutput"><span class="identifier">http</span><span class="special">::</span><span class="identifier">basic_parser</span></code></a>) 34 </p> 35<p> 36 Returns the remaining content length if known. 37 </p> 38<h6> 39<a name="beast.ref.boost__beast__http__parser.content_length_remaining.h0"></a> 40 <span class="phrase"><a name="beast.ref.boost__beast__http__parser.content_length_remaining.synopsis"></a></span><a class="link" href="content_length_remaining.html#beast.ref.boost__beast__http__parser.content_length_remaining.synopsis">Synopsis</a> 41 </h6> 42<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">optional</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">uint64_t</span> <span class="special">></span> 43<span class="identifier">content_length_remaining</span><span class="special">()</span> <span class="keyword">const</span><span class="special">;</span> 44</pre> 45<h6> 46<a name="beast.ref.boost__beast__http__parser.content_length_remaining.h1"></a> 47 <span class="phrase"><a name="beast.ref.boost__beast__http__parser.content_length_remaining.description"></a></span><a class="link" href="content_length_remaining.html#beast.ref.boost__beast__http__parser.content_length_remaining.description">Description</a> 48 </h6> 49<p> 50 If the message header specifies a Content-Length, the return value will 51 be the number of bytes remaining in the payload body have not yet been 52 parsed. 53 </p> 54<h6> 55<a name="beast.ref.boost__beast__http__parser.content_length_remaining.h2"></a> 56 <span class="phrase"><a name="beast.ref.boost__beast__http__parser.content_length_remaining.remarks"></a></span><a class="link" href="content_length_remaining.html#beast.ref.boost__beast__http__parser.content_length_remaining.remarks">Remarks</a> 57 </h6> 58<p> 59 The return value is undefined unless <a class="link" href="is_header_done.html" title="http::parser::is_header_done"><code class="computeroutput"><span class="identifier">is_header_done</span></code></a> would return <code class="computeroutput"><span class="keyword">true</span></code>. 60 </p> 61</div> 62<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 63<td align="left"></td> 64<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 65 Falco<p> 66 Distributed under the Boost Software License, Version 1.0. (See accompanying 67 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 68 </p> 69</div></td> 70</tr></table> 71<hr> 72<div class="spirit-nav"> 73<a accesskey="p" href="content_length.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__parser.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="need_eof.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 74</div> 75</body> 76</html> 77