Cast isdigit()'s argument to unsigned char.

ok guenther@

diff --git a/games/hack/hack.invent.c b/games/hack/hack.invent.c
index f5b3550..5c6c8aa 100644 (file)
--- a/games/hack/hack.invent.c
+++ b/games/hack/hack.invent.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: hack.invent.c,v 1.11 2015/09/27 05:13:11 guenther Exp $       */
+/*     $OpenBSD: hack.invent.c,v 1.12 2015/10/24 17:37:56 mmcc Exp $   */
 
 /*
  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
@@ -437,7 +437,7 @@ getobj(char *let, char *word)
 
                cnt = 0;
                ilet = readchar();
-               while(isdigit(ilet) && allowcnt) {
+               while(isdigit((unsigned char)ilet) && allowcnt) {
                        if (cnt < 100000000)
                            cnt = 10*cnt + (ilet - '0');
                        else
@@ -445,7 +445,7 @@ getobj(char *let, char *word)
                        allowcnt = 2;   /* signal presence of cnt */
                        ilet = readchar();
                }
-               if(isdigit(ilet)) {
+               if(isdigit((unsigned char)ilet)) {
                        pline("No count allowed with this command.");
                        continue;
                }