diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ipaddr.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/ipaddr.h b/lib/ipaddr.h index 6bd614044c..c6372f1abb 100644 --- a/lib/ipaddr.h +++ b/lib/ipaddr.h @@ -119,10 +119,13 @@ static inline void ipv4_mapped_ipv6_to_ipv4(struct in6_addr *in6, memcpy(in, (char *)in6 + 12, sizeof(struct in_addr)); } +/* + * Check if a struct ipaddr has nonzero value + */ static inline bool ipaddr_isset(struct ipaddr *ip) { static struct ipaddr a = {}; - return (0 == memcmp(&a, ip, sizeof(struct ipaddr))); + return (0 != memcmp(&a, ip, sizeof(struct ipaddr))); } #ifdef __cplusplus |