===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cal/cal.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -r1.25 -r1.26
--- src/usr.bin/cal/cal.c	2009/10/27 23:59:36	1.25
+++ src/usr.bin/cal/cal.c	2013/11/20 21:33:17	1.26
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cal.c,v 1.25 2009/10/27 23:59:36 deraadt Exp $	*/
+/*	$OpenBSD: cal.c,v 1.26 2013/11/20 21:33:17 deraadt Exp $	*/
 /*	$NetBSD: cal.c,v 1.6 1995/03/26 03:10:24 glass Exp $	*/
 
 /*
@@ -197,7 +197,7 @@
 			errx(1, "Unable to parse month");
 		/* FALLTHROUGH */
 	case 1:
-		if (argc == 1 && !isdigit(*argv[0])) {
+		if (argc == 1 && !isdigit((unsigned char)*argv[0])) {
 			month = parsemonth(*argv);
 			if (!month)
 				errx(1, "illegal year value: use 1-9999");
@@ -519,7 +519,7 @@
 
 	for (p = s; *p; ++p)
 		continue;
-	while (p > s && isspace(*--p))
+	while (p > s && isspace((unsigned char)*--p))
 		continue;
 	if (p > s)
 		++p;