===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/clientloop.c,v
retrieving revision 1.255
retrieving revision 1.256
diff -u -r1.255 -r1.256
--- src/usr.bin/ssh/clientloop.c	2013/11/08 00:39:15	1.255
+++ src/usr.bin/ssh/clientloop.c	2013/11/20 20:54:10	1.256
@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.255 2013/11/08 00:39:15 djm Exp $ */
+/* $OpenBSD: clientloop.c,v 1.256 2013/11/20 20:54:10 deraadt Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -281,7 +281,7 @@
 
 	dlen = strlen(display);
 	for (i = 0; i < dlen; i++) {
-		if (!isalnum(display[i]) &&
+		if (!isalnum((u_char)display[i]) &&
 		    strchr(SSH_X11_VALID_DISPLAY_CHARS, display[i]) == NULL) {
 			debug("Invalid character '%c' in DISPLAY", display[i]);
 			return 0;
@@ -875,7 +875,7 @@
 	cmd = s = read_passphrase("\r\nssh> ", RP_ECHO);
 	if (s == NULL)
 		goto out;
-	while (isspace(*s))
+	while (isspace((u_char)*s))
 		s++;
 	if (*s == '-')
 		s++;	/* Skip cmdline '-', if any */
@@ -929,7 +929,7 @@
 		goto out;
 	}
 
-	while (isspace(*++s))
+	while (isspace((u_char)*++s))
 		;
 
 	/* XXX update list of forwards in options */