csu3_am335x/EVSE/GPL/open-plc-utils-0.3/tools/hexoffset.c

/*====================================================================*
 *
 *   char * 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;
 *   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 * 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