[src/trunk]: src/sys/dev Use unsigned char for ctype functions, suggested by ...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/91272e177986
branches:  trunk
changeset: 355018:91272e177986
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Jul 08 19:25:37 2017 +0000

description:
Use unsigned char for ctype functions, suggested by christos

diffstat:

 sys/dev/led.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (30 lines):

diff -r b262d4cc8cab -r 91272e177986 sys/dev/led.c
--- a/sys/dev/led.c     Sat Jul 08 18:38:57 2017 +0000
+++ b/sys/dev/led.c     Sat Jul 08 19:25:37 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: led.c,v 1.1 2017/07/08 00:54:37 jmcneill Exp $ */
+/* $NetBSD: led.c,v 1.2 2017/07/08 19:25:37 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: led.c,v 1.1 2017/07/08 00:54:37 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: led.c,v 1.2 2017/07/08 19:25:37 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -79,9 +79,9 @@
 static void
 led_normalize_name(char *name)
 {
-       char *p;
+       unsigned char *p;
 
-       for (p = name; *p; p++)
+       for (p = (unsigned char *)name; *p; p++)
                if (!isalpha(*p) && !isdigit(*p) && *p != '-' && *p != '_')
                        *p = '_';
 }