alignof: handle sizeof(t) == 1 case

diff --git a/src/marshal.c b/src/marshal.c
index 886600900136743451445ad49d4f48c4faeb8b4d..45c46cbcae004a5a109cdf5a14b9e1b2df2131b4 100644 (file)
--- a/src/marshal.c
+++ b/src/marshal.c
@@ -31,7 +31,7 @@
 #include "lldpd-structs.h"
 
 /* Stolen from CCAN */
-#define ALIGNOF(t) ((char *)(&((struct { char c; t _h; } *)0)->_h) - (char *)0)
+#define ALIGNOF(t) ((sizeof(t) > 1)?((char *)(&((struct { char c; t _h; } *)0)->_h) - (char *)0):1)
 
 /* A serialized object */
 struct marshal_serialized {