u-boot/lib/strmhz.c
Ed Swarthout 55f7934d2b strmhz: Make hz unsigned to support greater than 2146 MHz clock
For example, an input of 0x80000000 should print:

2147.484 instead of -2147.-483.

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-03-22 23:34:36 +01:00

39 lines
1.1 KiB
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, unsigned 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);
}