screen_utils: move check to ignore_key()

diff --git a/src/screen_utils.c b/src/screen_utils.c
index 28d5e4b2fd4319384bf117178213f40f030485fa..891b9b3cb61bac1f673d1d45908712839d84f09d 100644 (file)
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -38,6 +38,12 @@ screen_bell(void)
                flash();
 }
 
+static bool
+ignore_key(int key)
+{
+       return key == ERR;
+}
+
 int
 screen_getch(const char *prompt)
 {
@@ -52,8 +58,7 @@ screen_getch(const char *prompt)
        curs_set(1);
 
        int key;
-       while ((key = wgetch(w)) == ERR)
-               ;
+       while (ignore_key(key = wgetch(w))) {}
 
 #ifdef HAVE_GETMOUSE
        /* ignore mouse events */