Documentation: Describe other situations where -z affects git diff

diff --git a/daemon.c b/daemon.c
index 7d9e1c03e88d7785f4ff0d534563ba5778fbc244..a90ab10505a3694de83a0ffd8fc472518f12cf2b 100644 (file)
--- a/daemon.c
+++ b/daemon.c
@@ -590,14 +590,17 @@ static int execute(struct sockaddr *addr)
 static int addrcmp(const struct sockaddr_storage *s1,
     const struct sockaddr_storage *s2)
 {
-       if (s1->ss_family != s2->ss_family)
-               return s1->ss_family - s2->ss_family;
-       if (s1->ss_family == AF_INET)
+       const struct sockaddr *sa1 = (const struct sockaddr*) s1;
+       const struct sockaddr *sa2 = (const struct sockaddr*) s2;
+
+       if (sa1->sa_family != sa2->sa_family)
+               return sa1->sa_family - sa2->sa_family;
+       if (sa1->sa_family == AF_INET)
                return memcmp(&((struct sockaddr_in *)s1)->sin_addr,
                    &((struct sockaddr_in *)s2)->sin_addr,
                    sizeof(struct in_addr));
 #ifndef NO_IPV6
-       if (s1->ss_family == AF_INET6)
+       if (sa1->sa_family == AF_INET6)
                return memcmp(&((struct sockaddr_in6 *)s1)->sin6_addr,
                    &((struct sockaddr_in6 *)s2)->sin6_addr,
                    sizeof(struct in6_addr));