1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>xdr_buf_trim</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs"><link rel="up" href="ch01s05.html" title="SUN RPC subsystem"><link rel="prev" href="API-xdr-buf-subsegment.html" title="xdr_buf_subsegment"><link rel="next" href="API-svc-print-addr.html" title="svc_print_addr"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">xdr_buf_trim</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-xdr-buf-subsegment.html">Prev</a>&#160;</td><th width="60%" align="center">SUN RPC subsystem</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-svc-print-addr.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-xdr-buf-trim"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>xdr_buf_trim &#8212; 
2     lop at most <span class="quote">&#8220;<span class="quote">len</span>&#8221;</span> bytes off the end of <span class="quote">&#8220;<span class="quote">buf</span>&#8221;</span>
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void <b class="fsfunc">xdr_buf_trim </b>(</code></td><td>struct xdr_buf * <var class="pdparam">buf</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">len</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1097037588"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>buf</code></em></span></dt><dd><p>
4     buf to be trimmed
5    </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
6     number of bytes to reduce <span class="quote">&#8220;<span class="quote">buf</span>&#8221;</span> by
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1097040404"></a><h2>Description</h2><p>
8   Trim an xdr_buf by the given number of bytes by fixing up the lengths. Note
9   that it's possible that we'll trim less than that amount if the xdr_buf is
10   too small, or if (for instance) it's all in the head and the parser has
11   already read too far into it.
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