2 * Handle command-line arguments common to Wireshark and TShark
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 1998 Gerald Combs
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
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
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 #include "clopts_common.h"
30 #include "cmdarg_err.h"
33 get_natural_int(const char *string, const char *name)
38 number = strtol(string, &p, 10);
39 if (p == string || *p != '\0') {
40 cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string);
44 cmdarg_err("The specified %s \"%s\" is a negative number", name, string);
47 if (number > INT_MAX) {
48 cmdarg_err("The specified %s \"%s\" is too large (greater than %d)",
49 name, string, INT_MAX);
57 get_positive_int(const char *string, const char *name)
61 number = get_natural_int(string, name);
64 cmdarg_err("The specified %s is zero", name);