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-SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2010-2011 Calxeda, Inc.
- */
-
-U-Boot provides a set of interfaces for creating and using simple, text
-based menus. Menus are displayed as lists of labeled entries on the
-console, and an entry can be selected by entering its label.
-
-To use the menu code, enable CONFIG_MENU, and include "menu.h" where
-the interfaces should be available.
-
-Menus are composed of items. Each item has a key used to identify it in
-the menu, and an opaque pointer to data controlled by the consumer.
-
-If you want to show a menu, instead starting the shell, define
-CONFIG_AUTOBOOT_MENU_SHOW. You have to code the int menu_show(int bootdelay)
-function, which handle your menu. This function returns the remaining
-bootdelay.
-
-Interfaces
-----------
-#include "menu.h"
-
-/*
- * Consumers of the menu interfaces will use a struct menu * as the
- * handle for a menu. struct menu is only fully defined in menu.c,
- * preventing consumers of the menu interfaces from accessing its
- * contents directly.
- */
-struct menu;
-
-/*
- * NOTE: See comments in common/menu.c for more detailed documentation on
- * these interfaces.
- */
-
-/*
- * menu_create() - Creates a menu handle with default settings
- */
-struct menu *menu_create(char *title, int timeout, int prompt,
-				void (*item_data_print)(void *),
-				char *(*item_choice)(void *),
-				void *item_choice_data);
-
-/*
- * menu_item_add() - Adds or replaces a menu item
- */
-int menu_item_add(struct menu *m, char *item_key, void *item_data);
-
-/*
- * menu_default_set() - Sets the default choice for the menu
- */
-int menu_default_set(struct menu *m, char *item_key);
-
-/*
- * menu_default_choice() - Set *choice to point to the default item's data
- */
-int menu_default_choice(struct menu *m, void **choice);
-
-/*
- * menu_get_choice() - Returns the user's selected menu entry, or the
- * default if the menu is set to not prompt or the timeout expires.
- */
-int menu_get_choice(struct menu *m, void **choice);
-
-/*
- * menu_destroy() - frees the memory used by a menu and its items.
- */
-int menu_destroy(struct menu *m);
-
-/*
- * menu_display_statusline(struct menu *m);
- * shows a statusline for every menu_display call.
- */
-void menu_display_statusline(struct menu *m);
-
-Example Code
-------------
-This example creates a menu that always prompts, and allows the user
-to pick from a list of tools.  The item key and data are the same.
-
-#include "menu.h"
-
-char *tools[] = {
-	"Hammer",
-	"Screwdriver",
-	"Nail gun",
-	NULL
-};
-
-char *pick_a_tool(void)
-{
-	struct menu *m;
-	int i;
-	char *tool = NULL;
-
-	m = menu_create("Tools", 0, 1, NULL);
-
-	for(i = 0; tools[i]; i++) {
-		if (menu_item_add(m, tools[i], tools[i]) != 1) {
-			printf("failed to add item!");
-			menu_destroy(m);
-			return NULL;
-		}
-	}
-
-	if (menu_get_choice(m, (void **)&tool) != 1)
-		printf("Problem picking tool!\n");
-
-	menu_destroy(m);
-
-	return tool;
-}
-
-void caller(void)
-{
-	char *tool = pick_a_tool();
-
-	if (tool) {
-		printf("picked a tool: %s\n", tool);
-		use_tool(tool);
-	}
-}