| /* ----------------------------------------------------------------------- * |
| * |
| * 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; |
| } |