memset(&in, 0, sizeof(in));
in.sin_family = AF_INET;
memcpy(&in.sin_addr, src, sizeof(struct in_addr));
- getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
- return dst;
+ if (getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST) == 0)
+ return dst;
}
else if (af == AF_INET6)
{
memset(&in, 0, sizeof(in));
in.sin6_family = AF_INET6;
memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
- getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
- return dst;
+ if (getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST) == 0)
+ return dst;
}
return NULL;
}