Ignore special keys returned by the curses getch() function.

Prevents canfield from suspending itself when you resize the window.
Canfield is not prepared to deal with anything other than normal
characters so just ignore them.  OK tb@ pjanzen@

diff --git a/games/canfield/canfield/canfield.c b/games/canfield/canfield/canfield.c
index df81b14..346fd20 100644 (file)
--- a/games/canfield/canfield/canfield.c
+++ b/games/canfield/canfield/canfield.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: canfield.c,v 1.28 2018/08/24 11:14:49 mestre Exp $    */
+/*     $OpenBSD: canfield.c,v 1.29 2021/01/21 20:08:17 millert Exp $   */
 /*     $NetBSD: canfield.c,v 1.7 1995/05/13 07:28:35 jtc Exp $ */
 
 /*
@@ -1332,7 +1332,8 @@ getcmd(int row, int col, const char *cp)
        do {
                if ((ch = getch()) == ERR)
                        cleanup(0);
-               ch &= 0177;
+               if (ch >= KEY_MIN)
+                       continue;
                if (ch >= 'A' && ch <= 'Z')
                        ch += ('a' - 'A');
                if (ch == '\f') {