Further emphasize that you *MUST* check sa_family.

mcr · May 5, 2011 · bb6cfe0 · bb6cfe0
1 parent ea4f833
commit bb6cfe0
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/pcap_findalldevs.3pcap b/pcap_findalldevs.3pcap
@@ -149,8 +149,9 @@ check the
 .B sa_family
 member of the
 .B "struct sockaddr"
-before interpreting the contents of the address.  IPv4 addresses have
-the value
+before interpreting the contents of the address; do not assume that the
+addresses are all IPv4 addresses, or even all IPv4 or IPv6 addresses.
+IPv4 addresses have the value
 .BR AF_INET ,
 IPv6 addresses have the value
 .B AF_INET6