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kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!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/html; charset=ANSI_X3.4-1968" /><title>kmsg_dump_get_line</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="ch01s09.html" title="Kernel utility functions" /><link rel="prev" href="API-kmsg-dump-unregister.html" title="kmsg_dump_unregister" /><link rel="next" href="API-kmsg-dump-get-buffer.html" title="kmsg_dump_get_buffer" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">kmsg_dump_get_line</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-kmsg-dump-unregister.html">Prev</a>&#160;</td><th width="60%" align="center">Kernel utility functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-kmsg-dump-get-buffer.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-kmsg-dump-get-line"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>kmsg_dump_get_line &#8212; 
     retrieve one kmsg log line
 </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">bool <strong class="fsfunc">kmsg_dump_get_line </strong>(</code></td><td>struct kmsg_dumper * <var class="pdparam">dumper</var>, </td></tr><tr><td>&#160;</td><td>bool <var class="pdparam">syslog</var>, </td></tr><tr><td>&#160;</td><td>char * <var class="pdparam">line</var>, </td></tr><tr><td>&#160;</td><td>size_t <var class="pdparam">size</var>, </td></tr><tr><td>&#160;</td><td>size_t * <var class="pdparam">len</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm140404965994368"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dumper</code></em></span></dt><dd><p>
     registered kmsg dumper
    </p></dd><dt><span class="term"><em class="parameter"><code>syslog</code></em></span></dt><dd><p>
     include the <span class="quote">&#8220;<span class="quote">&lt;4&gt;</span>&#8221;</span> prefixes
    </p></dd><dt><span class="term"><em class="parameter"><code>line</code></em></span></dt><dd><p>
     buffer to copy the line to
    </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p>
     maximum size of the buffer
    </p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
     length of line placed into buffer
    </p></dd></dl></div></div><div class="refsect1"><a id="idm140404965982688"></a><h2>Description</h2><p>
   Start at the beginning of the kmsg buffer, with the oldest kmsg
   record, and copy one record into the provided buffer.
   </p><p>

   Consecutive calls will return the next available record moving
   towards the end of the buffer with the youngest messages.
   </p><p>

   A return value of FALSE indicates that there are no more records to
   read.
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