Added SDL_HINT_MUTE_CONSOLE_KEYBOARD

src/core/freebsd/SDL_evdev_kbd_freebsd.c

@@ -264,8 +264,8 @@ SDL_EVDEV_keyboard_state *SDL_EVDEV_kbd_init(void)
             SDL_free(kbd->key_map);
             kbd->key_map = &keymap_default_us_acc;
         }
-        /* Allow inhibiting keyboard mute with env. variable for debugging etc. */
-        if (SDL_getenv("SDL_INPUT_FREEBSD_KEEP_KBD") == NULL) {
+
+        if (SDL_GetHintBoolean(SDL_HINT_MUTE_CONSOLE_KEYBOARD, SDL_TRUE)) {
             /* Take keyboard from console and open the actual keyboard device.
              * Ensures that the keystrokes do not leak through to the console.
              */

src/core/linux/SDL_evdev_kbd.c

@@ -473,8 +473,7 @@ void SDL_EVDEV_kbd_set_muted(SDL_EVDEV_keyboard_state *state, SDL_bool muted)
     }
 
     if (muted) {
-        /* Allow inhibiting keyboard mute with env. variable for debugging etc. */
-        if (SDL_getenv("SDL_INPUT_LINUX_KEEP_KBD") == NULL) {
+        if (SDL_GetHintBoolean(SDL_HINT_MUTE_CONSOLE_KEYBOARD, SDL_TRUE)) {
             /* Mute the keyboard so keystrokes only generate evdev events
              * and do not leak through to the console
              */