Fix error message when passing invalid command line arguments. I admit defeat, tedp...

[catta] / avahi-daemon / static-hosts.c

diff --git a/avahi-daemon/static-hosts.c b/avahi-daemon/static-hosts.c
index 17b268beea535ec233e983e2d0a8fa3bc43f112d..ebc358df2e3663233a8b3ae9571dd2ba3c37a958 100644 (file)
--- a/avahi-daemon/static-hosts.c
+++ b/avahi-daemon/static-hosts.c
@@ -98,7 +98,8 @@ static void static_host_free(StaticHost *s) {
 
     AVAHI_LLIST_REMOVE(StaticHost, hosts, hosts, s);
 
-    avahi_s_entry_group_free (s->group);
+    if (s->group)
+        avahi_s_entry_group_free (s->group);
 
     avahi_free(s->host);
     avahi_free(s->ip);
@@ -109,17 +110,27 @@ static void static_host_free(StaticHost *s) {
 static void add_static_host_to_server(StaticHost *h)
 {
     AvahiAddress a;
+    AvahiProtocol p;
     int err;
+    const AvahiServerConfig *config;
 
     if (!h->group)
-        h->group = avahi_s_entry_group_new (avahi_server, entry_group_callback, h);
+        if (!(h->group = avahi_s_entry_group_new (avahi_server, entry_group_callback, h))) {
+            avahi_log_error("avahi_s_entry_group_new() failed: %s", avahi_strerror(avahi_server_errno(avahi_server)));
+            return;
+        }
 
     if (!avahi_address_parse (h->ip, AVAHI_PROTO_UNSPEC, &a)) {
         avahi_log_error("Static host name %s: avahi_address_parse failed", h->host);
         return;
     }
 
-    if ((err = avahi_server_add_address(avahi_server, h->group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, h->host, &a))) {
+    config = avahi_server_get_config(avahi_server);
+    
+    p = (a.proto == AVAHI_PROTO_INET && config->publish_a_on_ipv6) ||
+        (a.proto == AVAHI_PROTO_INET6 && config->publish_aaaa_on_ipv4) ? AVAHI_PROTO_UNSPEC : a.proto;
+    
+    if ((err = avahi_server_add_address(avahi_server, h->group, AVAHI_IF_UNSPEC, p, 0, h->host, &a)) < 0) {
         avahi_log_error ("Static host name %s: avahi_server_add_address failure: %s", h->host, avahi_strerror(err));
         return;
     }
@@ -129,7 +140,8 @@ static void add_static_host_to_server(StaticHost *h)
 
 static void remove_static_host_from_server(StaticHost *h)
 {
-    avahi_s_entry_group_reset (h->group);
+    if (h->group)
+        avahi_s_entry_group_reset (h->group);
 }
  
 void static_hosts_add_to_server(void) {