Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Utility routines. |
| 4 | * |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 5 | * Copyright (C) many different people. If you wrote this, please |
| 6 | * acknowledge your work. |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 21 | * USA |
Eric Andersen | aad1a88 | 2001-03-16 22:47:14 +0000 | [diff] [blame] | 22 | */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <string.h> |
| 26 | #include <stdlib.h> |
| 27 | #include "libbb.h" |
| 28 | |
| 29 | |
| 30 | unsigned long parse_number(const char *numstr, |
| 31 | const struct suffix_mult *suffixes) |
| 32 | { |
| 33 | const struct suffix_mult *sm; |
| 34 | unsigned long int ret; |
| 35 | int len; |
| 36 | char *end; |
| 37 | |
| 38 | ret = strtoul(numstr, &end, 10); |
| 39 | if (numstr == end) |
| 40 | error_msg_and_die("invalid number `%s'", numstr); |
| 41 | while (end[0] != '\0') { |
| 42 | sm = suffixes; |
| 43 | while ( sm != 0 ) { |
| 44 | if(sm->suffix) { |
| 45 | len = strlen(sm->suffix); |
| 46 | if (strncmp(sm->suffix, end, len) == 0) { |
| 47 | ret *= sm->mult; |
| 48 | end += len; |
| 49 | break; |
| 50 | } |
| 51 | sm++; |
| 52 | |
| 53 | } else |
| 54 | sm = 0; |
| 55 | } |
| 56 | if (sm == 0) |
| 57 | error_msg_and_die("invalid number `%s'", numstr); |
| 58 | } |
| 59 | return ret; |
| 60 | } |
| 61 | |
| 62 | |
| 63 | /* END CODE */ |
| 64 | /* |
| 65 | Local Variables: |
| 66 | c-file-style: "linux" |
| 67 | c-basic-offset: 4 |
| 68 | tab-width: 4 |
| 69 | End: |
| 70 | */ |