kconfig/lxdialog: clear long menu lines

Menulines that were wider than the available
line width is now properly null terminated.

While at it renamed the variable choice => line_y
so it better reflect the usage in do_print_item().

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
index fcd95a9..0d83159 100644 (file)
--- a/scripts/kconfig/lxdialog/menubox.c
+++ b/scripts/kconfig/lxdialog/menubox.c
@@ -63,19 +63,19 @@ static int menu_width, item_x;
 /*
  * Print menu item
  */
-static void do_print_item(WINDOW * win, const char *item, int choice,
+static void do_print_item(WINDOW * win, const char *item, int line_y,
                           int selected, int hotkey)
 {
        int j;
        char *menu_item = malloc(menu_width + 1);
 
        strncpy(menu_item, item, menu_width - item_x);
-       menu_item[menu_width] = 0;
+       menu_item[menu_width - item_x] = '\0';
        j = first_alpha(menu_item, "YyNnMmHh");
 
        /* Clear 'residue' of last item */
        wattrset(win, dlg.menubox.atr);
-       wmove(win, choice, 0);
+       wmove(win, line_y, 0);
 #if OLD_NCURSES
        {
                int i;
@@ -86,14 +86,14 @@ static void do_print_item(WINDOW * win, const char *item, int choice,
        wclrtoeol(win);
 #endif
        wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
-       mvwaddstr(win, choice, item_x, menu_item);
+       mvwaddstr(win, line_y, item_x, menu_item);
        if (hotkey) {
                wattrset(win, selected ? dlg.tag_key_selected.atr
                         : dlg.tag_key.atr);
-               mvwaddch(win, choice, item_x + j, menu_item[j]);
+               mvwaddch(win, line_y, item_x + j, menu_item[j]);
        }
        if (selected) {
-               wmove(win, choice, item_x + 1);
+               wmove(win, line_y, item_x + 1);
        }
        free(menu_item);
        wrefresh(win);