xref: /OK3568_Linux_fs/u-boot/lib/strmhz.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2002-2006
3*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun 
strmhz(char * buf,unsigned long hz)9*4882a593Smuzhiyun char *strmhz (char *buf, unsigned long hz)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun 	long l, n;
12*4882a593Smuzhiyun 	long m;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun 	n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
15*4882a593Smuzhiyun 	l = sprintf (buf, "%ld", n);
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	hz -= n * 1000000L;
18*4882a593Smuzhiyun 	m = DIV_ROUND_CLOSEST(hz, 1000L);
19*4882a593Smuzhiyun 	if (m != 0)
20*4882a593Smuzhiyun 		sprintf (buf + l, ".%03ld", m);
21*4882a593Smuzhiyun 	return (buf);
22*4882a593Smuzhiyun }
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