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Eric Andersenaad1a882001-03-16 22:47:14 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Utility routines.
4 *
Eric Andersenbdfd0d72001-10-24 05:00:29 +00005 * Copyright (C) many different people. If you wrote this, please
6 * acknowledge your work.
Eric Andersenaad1a882001-03-16 22:47:14 +00007 *
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 Andersenbdfd0d72001-10-24 05:00:29 +000013 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
Eric Andersenaad1a882001-03-16 22:47:14 +000015 * 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 Andersenbdfd0d72001-10-24 05:00:29 +000020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 * USA
Eric Andersenaad1a882001-03-16 22:47:14 +000022 */
23
24#include <stdio.h>
25#include <string.h>
26#include <stdlib.h>
27#include "libbb.h"
28
29
30unsigned 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/*
65Local Variables:
66c-file-style: "linux"
67c-basic-offset: 4
68tab-width: 4
69End:
70*/