[PATCH v3 05/25] menu: Update bootmenu_autoboot_loop() to return the code

[Simon Glass]

Use the return value to save having to pass around a pointer. This also
resolves any ambiguity about what *key contains when the function is
called.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 cmd/bootmenu.c |  2 +-
 common/menu.c  | 16 +++++++++-------
 include/menu.h |  7 +++----
 3 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/cmd/bootmenu.c b/cmd/bootmenu.c
index c80004c54dc..0e22f504fe4 100644
--- a/cmd/bootmenu.c
+++ b/cmd/bootmenu.c
@@ -93,7 +93,7 @@ static char *bootmenu_choice_entry(void *data)
 	while (1) {
 		if (menu->delay >= 0) {
 			/* Autoboot was not stopped */
-			bootmenu_autoboot_loop(menu, &key, &esc);
+			key = bootmenu_autoboot_loop(menu, &esc);
 		} else {
 			/* Some key was pressed, so autoboot was stopped */
 			bootmenu_loop(menu, &key, &esc);
diff --git a/common/menu.c b/common/menu.c
index a245c5a9c6c..bafc8470d7d 100644
--- a/common/menu.c
+++ b/common/menu.c
@@ -425,9 +425,9 @@ int menu_destroy(struct menu *m)
 	return 1;
 }
 
-void bootmenu_autoboot_loop(struct bootmenu_data *menu,
-			    enum bootmenu_key *key, int *esc)
+enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, int *esc)
 {
+	enum bootmenu_key key = BKEY_NONE;
 	int i, c;
 
 	while (menu->delay > 0) {
@@ -446,16 +446,16 @@ void bootmenu_autoboot_loop(struct bootmenu_data *menu,
 			switch (c) {
 			case '\e':
 				*esc = 1;
-				*key = BKEY_NONE;
+				key = BKEY_NONE;
 				break;
 			case '\r':
-				*key = BKEY_SELECT;
+				key = BKEY_SELECT;
 				break;
 			case 0x3: /* ^C */
-				*key = BKEY_QUIT;
+				key = BKEY_QUIT;
 				break;
 			default:
-				*key = BKEY_NONE;
+				key = BKEY_NONE;
 				break;
 			}
 
@@ -471,7 +471,9 @@ void bootmenu_autoboot_loop(struct bootmenu_data *menu,
 	printf(ANSI_CURSOR_POSITION ANSI_CLEAR_LINE, menu->count + 5, 1);
 
 	if (menu->delay == 0)
-		*key = BKEY_SELECT;
+		key = BKEY_SELECT;
+
+	return key;
 }
 
 void bootmenu_loop(struct bootmenu_data *menu,
diff --git a/include/menu.h b/include/menu.h
index 29b457921e9..9f30a3c1acd 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -65,14 +65,13 @@ enum bootmenu_key {
  * indicating that the current option should be chosen.
  *
  * @menu: Menu being processed
- * @key: Returns the code for the key the user pressed:
+ * @esc: Set to 1 if the escape key is pressed, otherwise not updated
+ * Returns: code for the key the user pressed:
  *	enter: KEY_SELECT
  *	Ctrl-C: KEY_QUIT
  *	anything else: KEY_NONE
- * @esc: Set to 1 if the escape key is pressed, otherwise not updated
  */
-void bootmenu_autoboot_loop(struct bootmenu_data *menu,
-			    enum bootmenu_key *key, int *esc);
+enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, int *esc);
 
 /**
  * bootmenu_loop() - handle waiting for a keypress when autoboot is disabled
-- 
2.39.0.314.g84b9a713c41-goog