From 55fe185ec48e6997502b09d21702230957147d38 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Thu, 25 Jun 1998 16:54:36 +0000
Subject: handle missing swap

---
 usr.bin/top/machine.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/usr.bin/top/machine.c b/usr.bin/top/machine.c
index 198588914a7..52eb7112bcf 100644
--- a/usr.bin/top/machine.c
+++ b/usr.bin/top/machine.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: machine.c,v 1.8 1997/11/08 23:36:44 millert Exp $	*/
+/*	$OpenBSD: machine.c,v 1.9 1998/06/25 16:54:35 deraadt Exp $	*/
 
 /*
  * top - a top users display for Unix
@@ -693,6 +693,11 @@ int *total;
 	KGET(VM_DMMAX, dmmax);
 	KGET(VM_NSWAPMAP, nswapmap);
 	KGET(VM_SWAPMAP, kswapmap);	/* kernel `swapmap' is a pointer */
+	if (nswap == 0) {
+		*used = 0;
+		*total = 0;
+		return (1);
+	}
 	if ((sw = malloc(nswdev * sizeof(*sw))) == NULL ||
 	    (perdev = malloc(nswdev * sizeof(*perdev))) == NULL ||
 	    (freemp = mp = malloc(nswapmap * sizeof(*mp))) == NULL)
-- 
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