u-boot/lib_generic/strmhz.c

/*
 * (C) Copyright 2002-2006
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#include <common.h>

char *strmhz (char *buf, long hz)
{
	long l, n;
	long m;

	n = DIV_ROUND(hz, 1000) / 1000L;
	l = sprintf (buf, "%ld", n);

	hz -= n * 1000000L;
	m = DIV_ROUND(hz, 1000L);
	if (m != 0)
		sprintf (buf + l, ".%03ld", m);
	return (buf);
}