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-rw-r--r--ip6tables.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/ip6tables.c b/ip6tables.c
index 27e7187c..4df70c82 100644
--- a/ip6tables.c
+++ b/ip6tables.c
@@ -745,14 +745,15 @@ parse_target(const char *targetname)
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;
@@ -818,7 +819,7 @@ find_target(const char *name, enum ip6t_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;