2 * Handle command-line arguments common to Wireshark and TShark
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #include <epan/proto.h>
33 #include <epan/packet.h>
34 #include <epan/prefs.h>
36 #include "clopts_common.h"
37 #include "cmdarg_err.h"
40 get_natural_int(const char *string, const char *name)
45 number = strtol(string, &p, 10);
46 if (p == string || *p != '\0') {
47 cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string);
51 cmdarg_err("The specified %s \"%s\" is a negative number", name, string);
54 if (number > INT_MAX) {
55 cmdarg_err("The specified %s \"%s\" is too large (greater than %d)",
56 name, string, INT_MAX);
64 get_positive_int(const char *string, const char *name)
68 number = get_natural_int(string, name);
71 cmdarg_err("The specified %s is zero", name);
79 get_natural_int64(const char *string, const char *name)
84 #if GLIB_CHECK_VERSION(2,12,0)
85 number = g_ascii_strtoll(string, &p, 10);
86 #elif defined(HAVE_STRTOLL)
87 number = strtoll(string, &p, 10);
89 /* Punt and grab a 32-bit value */
90 number = strtol(string, &p, 10);
93 if (p == string || *p != '\0') {
94 cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string);
98 cmdarg_err("The specified %s \"%s\" is a negative number", name, string);
101 if (number > G_MAXINT64) { /* XXX - ??? */
102 cmdarg_err("The specified %s \"%s\" is too large (greater than %" G_GINT64_MODIFIER "d)",
103 name, string, G_MAXINT64);
111 get_positive_int64(const char *string, const char *name)
115 number = get_natural_int64(string, name);
118 cmdarg_err("The specified %s is zero", name);