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/* vi: set sw=4 ts=4: */
/*
* make_human_readable_str
*
* Copyright (C) 1999-2001 Erik Andersen <andersee@debian.org>
*
* 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 <stdio.h>
#include "libbb.h"
const char *make_human_readable_str(unsigned long size,
unsigned long block_size, unsigned long display_unit)
{
static char str[10] = "\0";
static const char strings[] = { 0, 'k', 'M', 'G', 'T', 0 };
if(size == 0 || block_size == 0)
return("0");
if(display_unit) {
snprintf(str, 9, "%ld", (size/display_unit)*block_size);
} else {
/* Ok, looks like they want us to autoscale */
int i=0;
unsigned long divisor = 1;
long double result = size*block_size;
for(i=0; i <= 4; i++) {
divisor<<=10;
if (result <= divisor) {
divisor>>=10;
break;
}
}
result/=divisor;
if (result > 10)
snprintf(str, 9, "%.0Lf%c", result, strings[i]);
else
snprintf(str, 9, "%.1Lf%c", result, strings[i]);
}
return(str);
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/
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