SoftwareDesign
/
csu3_am335x


			
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
							<?xml version='1.0' encoding='iso-8859-1'?>
<!doctype html public '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
<html xmlns='http://www.w3c.org/1999/xhtml' lang='en-us'>
	<head>
		<title>
			memdecr.c
			</title>
		<meta http-equiv='content-type' content='text/html;iso-8859-1'/>
		<meta name='generator' content='motley-tools 1.9.4 13:40:33 Feb 18 2015'/>
		<meta name='author' content='cmaier@cmassoc.net'/>
		<meta name='robots' content='noindex,nofollow'/>
		<link href='toolkit.css' rel='stylesheet' type='text/css'/>
		</head>
	<body>
		<div class='headerlink'>
			[<a href='MDUTrafficStats.c.html' title=' MDUTrafficStats.c '>PREV</a>]
			[<a href='toolkit.html' title=' Index '>HOME</a>]
			[<a href='memencode.c.html' title=' memencode.c '>NEXT</a>]
			</div>
<pre>
/*====================================================================*
 *
 *   signed memdecr (void * memory, size_t extent);
 *
 *   memory.h
 *
 *   decrement a multi-byte memory region; start at 0xff and reset
 *   at 0x00; return -1 if all bytes are 0x00;
 *
 *   for example:
 *
 *      0x00 0x00 0x00 --&gt; 0x00 0x00 0x01
 *      0xFF 0x00 0xFF --&gt; 0xFF 0x01 0x00
 *
 *   Motley Tools by Charles Maier &lt;cmaier@cmassoc.net&gt;;
 *   Copyright (c) 2001-2006 by Charles Maier Associates;
 *   Licensed under the Internet Software Consortium License;
 *
 *--------------------------------------------------------------------*/

#ifndef MEMDECR_SOURCE
#define MEMDECR_SOURCE

#include &quot;../tools/memory.h&quot;

signed memdecr (void * memory, register size_t extent)

{
	register byte * offset = (byte *)(memory);
	while (extent--)
	{
		if (-- offset [extent] != 0xFF)
		{
			return (0);
		}
	}
	return (-1);
}

#endif


</pre>
		<div class='footerlink'>
			[<a href='MDUTrafficStats.c.html' title=' MDUTrafficStats.c '>PREV</a>]
			[<a href='toolkit.html' title=' Index '>HOME</a>]
			[<a href='memencode.c.html' title=' memencode.c '>NEXT</a>]
			</div>
		</body>
	</html>