1 files changed, 4 insertions, 4 deletions

diff --git a/src/lib/libc/net/nsap_addr.c b/src/lib/libc/net/nsap_addr.c
index 50e3bdda95..8cfe86f475 100644
--- a/src/lib/libc/net/nsap_addr.c
+++ b/src/lib/libc/net/nsap_addr.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: nsap_addr.c,v 1.6 2005/08/06 20:30:03 espie Exp $     */
+/*      $OpenBSD: nsap_addr.c,v 1.7 2006/03/31 05:35:44 deraadt Exp $   */
 
 /*
  * Copyright (c) 1996 by Internet Software Consortium.
@@ -25,7 +25,7 @@
 #include <ctype.h>
 #include <resolv.h>
 
-static char
+static u_char
 xtob(int c)
 {
         return (c - (((c >= '0') && (c <= '9')) ? '0' : '7'));
@@ -43,11 +43,11 @@ inet_nsap_addr(const char *ascii, u_char *binary, int maxlen)
                 if (!isascii(c))
                         return (0);
                 if (islower(c))
-                        c = toupper(c);
+                        c = (u_char)toupper(c);
                 if (isxdigit(c)) {
                         nib = xtob(c);
                         if ((c = *ascii++)) {
-                                c = toupper(c);
+                                c = (u_char)toupper(c);
                                 if (isxdigit(c)) {
                                         *binary++ = (nib << 4) | xtob(c);
                                         len++;