blob: 03f4f22d8ba081dabe68eaf601806da2fefd10e8 [file] [log] [blame]
/*
* (C) Copyright 2000-2002
* 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>
/*
* return a pointer to a string containing the size
* as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
*/
char *size_human_readable(ulong size)
{
static char buf[20];
ulong m, n;
ulong d = 1 << 20; /* 1 MB */
char c = 'M';
char *ptr = buf;
if (size < d) { /* print in kB */
c = 'k';
d = 1 << 10;
}
n = size / d;
m = (10 * (size - (n * d)) + (d / 2) ) / d;
if (m >= 10) {
m -= 10;
n += 1;
}
ptr += sprintf(buf, "%2ld", n);
if (m) {
ptr += sprintf (ptr,".%ld", m);
}
sprintf(ptr, " %cB", c);
return buf;
}
EXPORT_SYMBOL(size_human_readable);