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-rw-r--r--iptables.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/iptables.c b/iptables.c
index 4dfa7d04..92f0175d 100644
--- a/iptables.c
+++ b/iptables.c
@@ -820,14 +820,15 @@ mask_to_dotted(const struct in_addr *mask)
int
string_to_number(const char *s, int min, int max)
{
- int number;
+ long number;
char *end;
/* Handle hex, octal, etc. */
- number = (int)strtol(s, &end, 0);
+ errno = 0;
+ number = strtol(s, &end, 0);
if (*end == '\0' && end != s) {
/* we parsed a number, let's see if we want this */
- if (min <= number && number <= max)
+ if (errno != ERANGE && min <= number && number <= max)
return number;
}
return -1;
@@ -894,7 +895,7 @@ find_target(const char *name, enum ipt_tryload tryload)
}
static struct option *
-merge_options(struct option *oldopts, struct option *newopts,
+merge_options(struct option *oldopts, const struct option *newopts,
unsigned int *option_offset)
{
unsigned int num_old, num_new, i;