Index: xtrans/Xtranssock.c
===================================================================
RCS file: /cvs/xorg/lib/xtrans/Xtranssock.c,v
retrieving revision 1.11
diff -u -r1.11 Xtranssock.c
--- xtrans/Xtranssock.c	8 Nov 2005 06:33:26 -0000	1.11
+++ xtrans/Xtranssock.c	21 Apr 2006 14:35:45 -0000
@@ -1107,7 +1107,7 @@
     sockname.sun_len = strlen(sockname.sun_path);
     namelen = SUN_LEN(&sockname);
 #else
-    namelen = strlen(sockname.sun_path) + sizeof(sockname.sun_family);
+    namelen = strlen(sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
 #endif
 
     unlink (sockname.sun_path);
@@ -1997,7 +1997,7 @@
     sockname.sun_len = strlen (sockname.sun_path);
     namelen = SUN_LEN (&sockname);
 #else
-    namelen = strlen (sockname.sun_path) + sizeof (sockname.sun_family);
+    namelen = strlen (sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
 #endif
 
 
@@ -2012,6 +2012,7 @@
     }
     old_namelen = strlen (old_sockname.sun_path) +
- 	sizeof (old_sockname.sun_family);
+	offsetof(struct sockaddr_un, sun_path);
 #endif