csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/tools/hexoffset.c

/*====================================================================*
 *
 *   char const * hexoffset (char buffer [], size_t length, off_t offset);
 *
 *   memory.h
 *
 *   encode buffer with with a NUL terminated string containing the 
 *   hexadecimal representation of a memory offset; the result will
 *   be padded with leading zeros;
 *
 *   Motley Tools by Charles Maier <cmaier@cmassoc.net>;
 *   Copyright (c) 2001-2006 by Charles Maier Associates;
 *   Licensed under the Internet Software Consortium License;
 *
 *--------------------------------------------------------------------*/

#ifndef HEXOFFSET_SOURCE
#define HEXOFFSET_SOURCE

#include <memory.h>

#include "../tools/number.h"
#include "../tools/memory.h"

char const * hexoffset (char buffer [], size_t length, off_t offset) 

{ 
	char * string = buffer +  length - 1; 
	memset (buffer, 0, length); 
	while (string > buffer) 
	{ 
		* -- string = DIGITS_HEX [offset & 0x0F]; 
		offset >>= 4; 
	} 
	return (buffer); 
} 

#endif