Wrap #define nitems in #ifndef nitems/#endif.

While here fix a misplaced '(' to make this nitems the same as
all its friends.

Pointed out by okan@

diff --git a/sbin/fdisk/part.c b/sbin/fdisk/part.c
index ac1d2ff..a09f84a 100644 (file)
--- a/sbin/fdisk/part.c
+++ b/sbin/fdisk/part.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: part.c,v 1.86 2021/06/21 02:05:30 krw Exp $   */
+/*     $OpenBSD: part.c,v 1.87 2021/06/21 13:17:20 krw Exp $   */
 
 /*
  * Copyright (c) 1997 Tobias Weingartner
@@ -152,7 +152,9 @@ static const struct protected_guid {
        { "2e54b353-1271-4842-806f-e436d6af6985" },     /* HiFive BBL   */
 };
 
-#define        nitems(_a)      ((sizeof(_a)) / sizeof((_a)[0]))
+#ifndef nitems
+#define        nitems(_a)      (sizeof((_a)) / sizeof((_a)[0]))
+#endif
 
 int
 PRT_protected_guid(struct uuid *leuuid)