Cast ctype functions' arguments to unsigned char.

ok guenther@

diff --git a/games/cribbage/io.c b/games/cribbage/io.c
index 484a34d..40ea3e4 100644 (file)
--- a/games/cribbage/io.c
+++ b/games/cribbage/io.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: io.c,v 1.19 2014/05/09 23:56:26 schwarze Exp $        */
+/*     $OpenBSD: io.c,v 1.20 2015/10/24 18:04:06 mmcc Exp $    */
 /*     $NetBSD: io.c,v 1.9 1997/07/09 06:25:47 phil Exp $      */
 
 /*-
@@ -318,15 +318,15 @@ number(int lo, int hi, char *prompt)
                }
                sum = 0;
 
-               if (!isdigit(*p))
+               if (!isdigit((unsigned char)*p))
                        sum = lo - 1;
                else
-                       while (isdigit(*p)) {
+                       while (isdigit((unsigned char)*p)) {
                                tmp = 10 * sum + (*p - '0');
                                /* Overflow */
                                if (tmp < sum) {
                                        sum = hi + 1;
-                                       while (isdigit(*p))
+                                       while (isdigit((unsigned char)*p))
                                                ++p;
                                        break;
                                }
@@ -398,8 +398,8 @@ endmsg(void)
 
        /* All messages should start with uppercase */
        mvaddch(lastline + Y_MSG_START, SCORE_X, ' ');
-       if (islower(Msgbuf[0]) && Msgbuf[1] != ')')
-               Msgbuf[0] = toupper(Msgbuf[0]);
+       if (islower((unsigned char)Msgbuf[0]) && Msgbuf[1] != ')')
+               Msgbuf[0] = toupper((unsigned char)Msgbuf[0]);
        mp = Msgbuf;
        len = strlen(mp);
        if (len / MSG_X + Lineno >= MSG_Y) {