Check for input redirection could have accessed a NULL pointer if we …

…tried to check for keys during PDC_scr_open(). We do that in DOS and Windows.
Bill-Gray · Jan 30, 2023 · 3a73630 · 3a73630
1 parent 7f1e1bb
commit 3a73630
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/vt/pdckbd.c b/vt/pdckbd.c
@@ -45,7 +45,7 @@ static bool check_key( int *c)
 
     if( PDC_resize_occurred)
        return( TRUE);
-    if( SP->opaque->input_fd)
+    if( SP->opaque && SP->opaque->input_fd)
     {
         rval = !feof( SP->opaque->input_fd);
         if( rval && c)