grub/grub-core/kern/command.c
2010-05-06 11:34:04 +05:30

58 lines
1.6 KiB
C

/* command.c - support basic command */
/*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <grub/mm.h>
#include <grub/command.h>
grub_command_t grub_command_list;
grub_command_t
grub_register_command_prio (const char *name,
grub_command_func_t func,
const char *summary,
const char *description,
int prio)
{
grub_command_t cmd;
cmd = (grub_command_t) grub_zalloc (sizeof (*cmd));
if (! cmd)
return 0;
cmd->name = name;
cmd->func = func;
cmd->summary = (summary) ? summary : "";
cmd->description = description;
cmd->flags = GRUB_COMMAND_FLAG_BOTH;
cmd->prio = prio;
grub_prio_list_insert (GRUB_AS_PRIO_LIST_P (&grub_command_list),
GRUB_AS_PRIO_LIST (cmd));
return cmd;
}
void
grub_unregister_command (grub_command_t cmd)
{
grub_prio_list_remove (GRUB_AS_PRIO_LIST_P (&grub_command_list),
GRUB_AS_PRIO_LIST (cmd));
grub_free (cmd);
}