xref: /openbmc/u-boot/lib/strmhz.c (revision afee3fb8)
1  /*
2   * (C) Copyright 2002-2006
3   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4   *
5   * SPDX-License-Identifier:	GPL-2.0+
6   */
7  #include <common.h>
8  
9  char *strmhz (char *buf, unsigned long hz)
10  {
11  	long l, n;
12  	long m;
13  
14  	n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
15  	l = sprintf (buf, "%ld", n);
16  
17  	hz -= n * 1000000L;
18  	m = DIV_ROUND_CLOSEST(hz, 1000L);
19  	if (m != 0)
20  		sprintf (buf + l, ".%03ld", m);
21  	return (buf);
22  }
23