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authorRusty Russell <rusty@rustcorp.com.au>2004-12-22 04:26:53 +0000
committerRusty Russell <rusty@rustcorp.com.au>2004-12-22 04:26:53 +0000
commit70f758db30e46d084397d89bfb670274b0288ac8 (patch)
treee1ee3d921beaabea1741da3e8750cb88feb640ec
parent8beb0492c84dbec73febce36559ff244f77ec08e (diff)
Use string_to_number. Don't check for no optarg: we set has_arg to 1 in option array, so getopt does that for us.
-rw-r--r--extensions/libipt_ttl.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/extensions/libipt_ttl.c b/extensions/libipt_ttl.c
index 523c8550..ce87368b 100644
--- a/extensions/libipt_ttl.c
+++ b/extensions/libipt_ttl.c
@@ -1,7 +1,7 @@
/* Shared library add-on to iptables to add TTL matching support
* (C) 2000 by Harald Welte <laforge@gnumonks.org>
*
- * $Id: libipt_ttl.c,v 1.6 2002/05/29 13:08:16 laforge Exp $
+ * $Id$
*
* This program is released under the terms of GNU GPL */
@@ -35,14 +35,14 @@ static int parse(int c, char **argv, int invert, unsigned int *flags,
struct ipt_entry_match **match)
{
struct ipt_ttl_info *info = (struct ipt_ttl_info *) (*match)->data;
- u_int8_t value;
+ int value;
check_inverse(optarg, &invert, &optind, 0);
- value = atoi(argv[optind-1]);
- if (!optarg)
+ if (string_to_number(optarg, 0, 255, &value) == -1)
exit_error(PARAMETER_PROBLEM,
- "ttl: You must specify a value");
+ "ttl: Expected value between 0 and 255");
+
switch (c) {
case '2':
if (invert)