===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mail/vars.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- src/usr.bin/mail/vars.c	2001/11/21 15:26:39	1.7
+++ src/usr.bin/mail/vars.c	2001/11/21 20:41:56	1.8
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vars.c,v 1.7 2001/11/21 15:26:39 millert Exp $	*/
+/*	$OpenBSD: vars.c,v 1.8 2001/11/21 20:41:56 millert Exp $	*/
 /*	$NetBSD: vars.c,v 1.4 1996/06/08 19:48:45 christos Exp $	*/
 
 /*
@@ -38,7 +38,7 @@
 #if 0
 static const char sccsid[] = "@(#)vars.c	8.1 (Berkeley) 6/6/93";
 #else
-static const char rcsid[] = "$OpenBSD: vars.c,v 1.7 2001/11/21 15:26:39 millert Exp $";
+static const char rcsid[] = "$OpenBSD: vars.c,v 1.8 2001/11/21 20:41:56 millert Exp $";
 #endif
 #endif /* not lint */
 
@@ -63,7 +63,8 @@
 	h = hash(name);
 	vp = lookup(name);
 	if (vp == NULL) {
-		vp = (struct var *)calloc(sizeof(*vp), 1);
+		if ((vp = (struct var *)calloc(sizeof(*vp), 1)) == NULL)
+			errx(1, "Out of memory");
 		vp->v_name = vcopy(name);
 		vp->v_link = variables[h];
 		variables[h] = vp;