176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/* ----------------------------------------------------------------------- * 276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Copyright 2007-2009 H. Peter Anvin - All Rights Reserved 476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Copyright 2009 Intel Corporation; author: H. Peter Anvin 576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Permission is hereby granted, free of charge, to any person 776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * obtaining a copy of this software and associated documentation 876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * files (the "Software"), to deal in the Software without 976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * restriction, including without limitation the rights to use, 1076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * copy, modify, merge, publish, distribute, sublicense, and/or 1176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * sell copies of the Software, and to permit persons to whom 1276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * the Software is furnished to do so, subject to the following 1376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * conditions: 1476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 1576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * The above copyright notice and this permission notice shall 1676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * be included in all copies or substantial portions of the Software. 1776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 1876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 1976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 2076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 2176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 2276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 2376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 2476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * OTHER DEALINGS IN THE SOFTWARE. 2676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 2776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * ----------------------------------------------------------------------- */ 2876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 2976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/* 3076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * suffix_number.c 3176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * 3276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman * Convert a string of a number with potential SI suffix to int-type 3376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman */ 3476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 3576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <stdlib.h> 3676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman#include <suffix_number.h> 3776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 3876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman/* Get a value with a potential suffix (k/m/g/t/p/e) */ 3976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartmanunsigned long long suffix_number(const char *str) 4076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman{ 4176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman char *ep; 4276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman unsigned long long v; 4376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman int shift; 4476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 4576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman v = strtoull(str, &ep, 0); 4676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman switch (*ep | 0x20) { 4776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 'k': 4876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 10; 4976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 5076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 'm': 5176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 20; 5276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 5376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 'g': 5476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 30; 5576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 5676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 't': 5776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 40; 5876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 5976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 'p': 6076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 50; 6176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 6276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman case 'e': 6376d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 60; 6476d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 6576d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman default: 6676d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman shift = 0; 6776d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman break; 6876d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman } 6976d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman v <<= shift; 7076d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman 7176d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman return v; 7276d05dc695b06c4e987bb8078f78032441e1430cGreg Hartman} 73