grub-core/commands/true.c

   1 /* true.c - true and false commands.  */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2009  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <grub/dl.h>
  21 #include <grub/command.h>
  22 #include <grub/i18n.h>
  23
  24 GRUB_MOD_LICENSE ("GPLv3+");
  25
  26 static grub_err_t
  27 grub_cmd_true (struct grub_command *cmd __attribute__ ((unused)),
  28                int argc __attribute__ ((unused)),
  29                char *argv[] __attribute__ ((unused)))
  30 {
  31   return 0;
  32 }
  33
  34 static grub_err_t
  35 grub_cmd_false (struct grub_command *cmd __attribute__ ((unused)),
  36                 int argc __attribute__ ((unused)),
  37                 char *argv[] __attribute__ ((unused)))
  38 {
  39   return grub_error (GRUB_ERR_TEST_FAILURE, N_("false"));
  40 }
  41
  42 static grub_command_t cmd_true, cmd_false;
  43
  44 \f
  45 GRUB_MOD_INIT(true)
  46 {
  47   cmd_true =
  48     grub_register_command ("true", grub_cmd_true,
  49                            /* TRANSLATORS: it's a command description.  */
  50                            0, N_("Do nothing, successfully."));
  51   cmd_false =
  52     grub_register_command ("false", grub_cmd_false,
  53                            /* TRANSLATORS: it's a command description.  */
  54                            0, N_("Do nothing, unsuccessfully."));
  55 }
  56
  57 GRUB_MOD_FINI(true)
  58 {
  59   grub_unregister_command (cmd_true);
  60   grub_unregister_command (cmd_false);
  61 }