xref: /openbmc/u-boot/lib/strmhz.c (revision e8f80a5a)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
278acc472SPeter Tyser /*
378acc472SPeter Tyser  * (C) Copyright 2002-2006
478acc472SPeter Tyser  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
578acc472SPeter Tyser  */
678acc472SPeter Tyser #include <common.h>
778acc472SPeter Tyser 
strmhz(char * buf,unsigned long hz)855f7934dSEd Swarthout char *strmhz (char *buf, unsigned long hz)
978acc472SPeter Tyser {
1078acc472SPeter Tyser 	long l, n;
1178acc472SPeter Tyser 	long m;
1278acc472SPeter Tyser 
134515992fSMasahiro Yamada 	n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
1478acc472SPeter Tyser 	l = sprintf (buf, "%ld", n);
1578acc472SPeter Tyser 
1678acc472SPeter Tyser 	hz -= n * 1000000L;
174515992fSMasahiro Yamada 	m = DIV_ROUND_CLOSEST(hz, 1000L);
1878acc472SPeter Tyser 	if (m != 0)
1978acc472SPeter Tyser 		sprintf (buf + l, ".%03ld", m);
2078acc472SPeter Tyser 	return (buf);
2178acc472SPeter Tyser }
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