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/* ----------------------------------------------------------------------- *
*
* Copyright 2007-2009 H. Peter Anvin - All Rights Reserved
* Copyright 2009 Intel Corporation; author: H. Peter Anvin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
/*
* suffix_number.c
*
* Convert a string of a number with potential SI suffix to int-type
*/
#include <stdlib.h>
#include <suffix_number.h>
/* Get a value with a potential suffix (k/m/g/t/p/e) */
unsigned long long suffix_number(const char *str)
{
char *ep;
unsigned long long v;
int shift;
v = strtoull(str, &ep, 0);
switch (*ep | 0x20) {
case 'k':
shift = 10;
break;
case 'm':
shift = 20;
break;
case 'g':
shift = 30;
break;
case 't':
shift = 40;
break;
case 'p':
shift = 50;
break;
case 'e':
shift = 60;
break;
default:
shift = 0;
break;
}
v <<= shift;
return v;
}
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