1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>read_size_or_throw</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. 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Then it computes a natural read size given the passed-in upper limit. 56 It favors a read size that does not require a reallocation, subject to a 57 reasonable minimum to avoid tiny reads. 58 </p> 59<h5> 60<a name="beast.ref.boost__beast__read_size_or_throw.h2"></a> 61 <span class="phrase"><a name="beast.ref.boost__beast__read_size_or_throw.parameters"></a></span><a class="link" href="boost__beast__read_size_or_throw.html#beast.ref.boost__beast__read_size_or_throw.parameters">Parameters</a> 62 </h5> 63<div class="informaltable"><table class="table"> 64<colgroup> 65<col> 66<col> 67</colgroup> 68<thead><tr> 69<th> 70 <p> 71 Name 72 </p> 73 </th> 74<th> 75 <p> 76 Description 77 </p> 78 </th> 79</tr></thead> 80<tbody> 81<tr> 82<td> 83 <p> 84 <code class="computeroutput"><span class="identifier">buffer</span></code> 85 </p> 86 </td> 87<td> 88 <p> 89 The dynamic buffer to inspect. 90 </p> 91 </td> 92</tr> 93<tr> 94<td> 95 <p> 96 <code class="computeroutput"><span class="identifier">max_size</span></code> 97 </p> 98 </td> 99<td> 100 <p> 101 An upper limit on the returned value. 102 </p> 103 </td> 104</tr> 105</tbody> 106</table></div> 107<h5> 108<a name="beast.ref.boost__beast__read_size_or_throw.h3"></a> 109 <span class="phrase"><a name="beast.ref.boost__beast__read_size_or_throw.exceptions"></a></span><a class="link" href="boost__beast__read_size_or_throw.html#beast.ref.boost__beast__read_size_or_throw.exceptions">Exceptions</a> 110 </h5> 111<div class="informaltable"><table class="table"> 112<colgroup> 113<col> 114<col> 115</colgroup> 116<thead><tr> 117<th> 118 <p> 119 Type 120 </p> 121 </th> 122<th> 123 <p> 124 Thrown On 125 </p> 126 </th> 127</tr></thead> 128<tbody><tr> 129<td> 130 <p> 131 <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">length_error</span></code> 132 </p> 133 </td> 134<td> 135 <p> 136 if <code class="computeroutput"><span class="identifier">max_size</span> <span class="special">></span> 137 <span class="number">0</span></code> and the buffer is full. 138 </p> 139 </td> 140</tr></tbody> 141</table></div> 142</div> 143<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 144<td align="left"></td> 145<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 146 Falco<p> 147 Distributed under the Boost Software License, Version 1.0. (See accompanying 148 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>) 149 </p> 150</div></td> 151</tr></table> 152<hr> 153<div class="spirit-nav"> 154<a accesskey="p" href="boost__beast__read_size.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ref.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="boost__beast__operator_plus_.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 155</div> 156</body> 157</html> 158