61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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/*
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* return a pointer to a string containing the size
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* as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
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*/
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char *size_human_readable(ulong size)
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{
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static char buf[20];
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ulong m, n;
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ulong d = 1 << 20; /* 1 MB */
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char c = 'M';
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char *ptr = buf;
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if (size < d) { /* print in kB */
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c = 'k';
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d = 1 << 10;
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}
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n = size / d;
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m = (10 * (size - (n * d)) + (d / 2) ) / d;
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if (m >= 10) {
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m -= 10;
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n += 1;
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}
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ptr += sprintf(buf, "%2ld", n);
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if (m) {
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ptr += sprintf (ptr,".%ld", m);
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}
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sprintf(ptr, " %cB", c);
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return buf;
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}
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EXPORT_SYMBOL(size_human_readable);
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