X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-common%2Faddress.h;h=b8706ee92b177323f9021056d87b4cf8f10eeebd;hb=ceee295adb1e22818bcaf201f0135760836c5aae;hp=7f10a55d4e8c5a89fa328c1c7f952250d03b6d98;hpb=394b91f04a9a8901ec6896907cbe5ad998d4338e;p=catta

diff --git a/avahi-common/address.h b/avahi-common/address.h
index 7f10a55..b8706ee 100644
--- a/avahi-common/address.h
+++ b/avahi-common/address.h
@@ -53,7 +53,7 @@ enum {
 #define AVAHI_ADDRESS_STR_MAX 40 /* IPv6 Max = 4*8 + 7 + 1 for NUL */
 
 /** Return TRUE if the specified interface index is valid */
-#define AVAHI_IF_VALID(ifindex) (((ifindex) > 0) || ((ifindex) == AVAHI_PROTO_UNSPEC))
+#define AVAHI_IF_VALID(ifindex) (((ifindex) >= 0) || ((ifindex) == AVAHI_IF_UNSPEC))
 
 /** Return TRUE if the specified protocol is valid */
 #define AVAHI_PROTO_VALID(protocol) (((protocol) == AVAHI_PROTO_INET) || ((protocol) == AVAHI_PROTO_INET6) || ((protocol) == AVAHI_PROTO_UNSPEC))