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/* clopts_common.c
* Handle command-line arguments common to various programs
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <stdlib.h>
#include <errno.h>
#include <wsutil/strtoi.h>
#include <wsutil/cmdarg_err.h>
#include <wsutil/clopts_common.h>
int
get_natural_int(const char *string, const char *name)
{
gint32 number;
if (!ws_strtoi32(string, NULL, &number)) {
if (errno == EINVAL) {
cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string);
exit(1);
}
if (number < 0) {
cmdarg_err("The specified %s \"%s\" is a negative number", name, string);
exit(1);
}
cmdarg_err("The specified %s \"%s\" is too large (greater than %d)",
name, string, number);
exit(1);
}
if (number < 0) {
cmdarg_err("The specified %s \"%s\" is a negative number", name, string);
exit(1);
}
return (int)number;
}
int
get_positive_int(const char *string, const char *name)
{
int number;
number = get_natural_int(string, name);
if (number == 0) {
cmdarg_err("The specified %s is zero", name);
exit(1);
}
return number;
}
guint32
get_guint32(const char *string, const char *name)
{
guint32 number;
if (!ws_strtou32(string, NULL, &number)) {
if (errno == EINVAL) {
cmdarg_err("The specified %s \"%s\" isn't a decimal number", name, string);
exit(1);
}
cmdarg_err("The specified %s \"%s\" is too large (greater than %d)",
name, string, number);
exit(1);
}
return number;
}
guint32
get_nonzero_guint32(const char *string, const char *name)
{
guint32 number;
number = get_guint32(string, name);
if (number == 0) {
cmdarg_err("The specified %s is zero", name);
exit(1);
}
return number;
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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