tinysvcmdns: ensure name is advertised with .local suffix

Fixes operation with iOS 7.
Nachtzuster · Jun 24, 2014 · 2c4031f · 2c4031f
1 parent b55e75a
commit 2c4031f
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/mdns_tinysvcmdns.c b/mdns_tinysvcmdns.c
@@ -48,8 +48,14 @@ static int mdns_tinysvcmdns_register(char *apname, int port) {
         return -1;
     }
 
-    char hostname[100];
-    gethostname(hostname, 100);
+    // room for name + .local + NULL
+    char hostname[100 + 6];
+    gethostname(hostname, 99);
+    // according to POSIX, this may be truncated without a final NULL !
+    hostname[99] = 0;
+
+    // will not work on iOS if the hostname doesn't end in .local
+    strcat(hostname, ".local");
 
     if (getifaddrs(&ifalist) < 0)
     {