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-rw-r--r--battlestar/extern.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/battlestar/extern.h b/battlestar/extern.h
index 74191131..51b407e9 100644
--- a/battlestar/extern.h
+++ b/battlestar/extern.h
@@ -1,4 +1,4 @@
-/* $NetBSD: extern.h,v 1.34 2014/03/22 23:16:21 dholland Exp $ */
+/* $NetBSD: extern.h,v 1.35 2014/03/22 23:23:55 dholland Exp $ */
/*
* Copyright (c) 1983, 1993
@@ -42,14 +42,14 @@
#include <time.h>
#include <unistd.h>
-#define BITS (CHAR_BIT * sizeof (int))
+#define BITS (CHAR_BIT * sizeof (unsigned int))
#define OUTSIDE (position > 68 && position < 246 && position != 218)
#define rnd(x) (rand() % (x))
#define max(a,b) ((a) < (b) ? (b) : (a))
-#define testbit(array, index) (array[index/BITS] & (1 << (index % BITS)))
-#define setbit(array, index) (array[index/BITS] |= (1 << (index % BITS)))
-#define clearbit(array, index) (array[index/BITS] &= ~(1 << (index % BITS)))
+#define testbit(array, index) (array[index/BITS] & (1U << (index % BITS)))
+#define setbit(array, index) (array[index/BITS] |= (1U << (index % BITS)))
+#define clearbit(array, index) (array[index/BITS] &= ~(1U << (index % BITS)))
/* well known rooms */
#define FINAL 275