diff options
| author | Ulrich Weber <ulrich.weber@sophos.com> | 2011-12-21 02:24:11 +0400 |
|---|---|---|
| committer | Denis Ovsienko <infrastation@yandex.ru> | 2012-01-02 19:13:28 +0400 |
| commit | 664711c1f4cc218073783ff6ce362093debd7b53 (patch) | |
| tree | 5566b0c8b9d22de55772717ad6c701ea85b6241e /ospfd | |
| parent | 6fd16207fee6d4d09f29ed7ecf26303a7220e473 (diff) | |
lib: fix some strtoul() use cases
...otherwise 4294967295 is not a valid value on 32bit systems
Diffstat (limited to 'ospfd')
| -rw-r--r-- | ospfd/ospf_vty.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c index c928e819..97c8e8d6 100644 --- a/ospfd/ospf_vty.c +++ b/ospfd/ospf_vty.c @@ -80,8 +80,11 @@ ospf_str2area_id (const char *str, struct in_addr *area_id, int *format) /* match "<0-4294967295>". */ else { + if (*str == '-') + return -1; + errno = 0; ret = strtoul (str, &endptr, 10); - if (*endptr != '\0' || (ret == ULONG_MAX && errno == ERANGE)) + if (*endptr != '\0' || errno || ret > UINT32_MAX) return -1; area_id->s_addr = htonl (ret); |