/* handler.c - commands to list or select handlers */ /* * GRUB -- GRand Unified Bootloader * Copyright (C) 2009 Free Software Foundation, Inc. * * GRUB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * GRUB is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GRUB. If not, see . */ #include #include #include #include #include #include #include static grub_err_t grub_cmd_handler (struct grub_command *cmd __attribute__ ((unused)), int argc, char **args) { void *curr_item = 0; grub_handler_class_t head; head = grub_handler_class_list; if (argc == 0) { grub_handler_class_t item; FOR_LIST_ELEMENTS(item, head) { if (item == curr_item) grub_putchar ('*'); grub_printf ("%s\n", item->name); } } else { char *class_name; grub_handler_class_t class; class_name = args[0]; argc--; args++; class = grub_named_list_find (GRUB_AS_NAMED_LIST (head), class_name); if (! class) return grub_error (GRUB_ERR_FILE_NOT_FOUND, "class not found"); if (argc == 0) { grub_handler_class_t item; curr_item = class->cur_handler; FOR_LIST_ELEMENTS(item, head) { if (item == curr_item) grub_putchar ('*'); grub_printf ("%s\n", item->name); } } else { grub_handler_t handler; handler = grub_named_list_find (GRUB_AS_NAMED_LIST (class->handler_list), args[0]); if (! handler) return grub_error (GRUB_ERR_FILE_NOT_FOUND, "handler not found"); grub_handler_set_current (class, handler); } } return 0; } static grub_command_t cmd_handler; GRUB_MOD_INIT(handler) { cmd_handler = grub_register_command ("handler", grub_cmd_handler, N_("[class [handler]]"), N_("List or select a handler.")); } GRUB_MOD_FINI(handler) { grub_unregister_command (cmd_handler); }