1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../css/manpage.css" type="text/css" /> 7<title>CompressRL</title> 8 </head> 9 <body> 10<h1><CODE><a href="../../nn/Overview.html">nn</a>::<a href="../../nn/cx/Overview.html">cx</a>::CompressRL</CODE> Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition">#include <nn/cx.h> 14 15<a href="../../nn_types/u32.html">u32</a> CompressRL( 16 const <a href="../../nn_types/u8.html">u8</a> * srcp, 17 <a href="../../nn_types/u32.html">u32</a> size, 18 <a href="../../nn_types/u8.html">u8</a> * dstp 19); 20</pre> 21 </div> 22<h2>Parameters</h2> 23 <div class="section"> 24 <table class="arguments"> 25 <thead> 26 <tr> 27 <td width="15" /> 28<th>Name</th> 29<td>Description</td> 30 </tr> 31 </thead> 32 <tr> 33<td>in</td> 34<th><CODE>srcp</CODE></th> 35<td>Pointer to compression source data.</td> 36 </tr> 37 <tr> 38<td>in</td> 39<th><CODE>size</CODE></th> 40<td>Compression source data size.</td> 41 </tr> 42 <tr> 43<td>out</td> 44<th><CODE>dstp</CODE></th> 45<td>Pointer to compression target data (requires a buffer larger than the compression source data).</td> 46 </tr> </table> 47 </div> 48<h2>Return Values</h2> 49<div class="section">Returns the size of the compressed data. If the compressed data is larger than the original data, compression is terminated and <CODE>0</CODE> is returned. </div> 50<h2>Description</h2> 51 <div class="section"> 52<p>Carries out run-length compression.</p><p> 53Argument values must adhere to the following restrictions: 54 <ul><li> 55The value of <SPAN class="argument">size</SPAN> must be larger than 4. 56 </li></ul></p></div> 57<h2>Revision History</h2> 58 <div class="section"> 59 <dl class="history"> 60 <dt>2011/04/06</dt> 61<dd>Added text about the restriction on argument values.<br /> 62 </dd> 63 <dt>2010/11/10</dt> 64<dd> Initial version.<br /> 65 </dd> 66 </dl> 67 </div> 68 <hr><p>CONFIDENTIAL</p></body> 69</html>