grub/normal/command.c

70 lines
1.9 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2005,2006,2007 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/normal.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
#include <grub/term.h>
#include <grub/env.h>
#include <grub/dl.h>
#include <grub/parser.h>
#include <grub/script.h>
#include <grub/list.h>
#include <grub/command.h>
int
grub_command_execute (char *cmdline, int interactive)
{
auto grub_err_t cmdline_get (char **s);
grub_err_t cmdline_get (char **s)
{
*s = grub_malloc (GRUB_MAX_CMDLINE);
*s[0] = '\0';
return grub_cmdline_get (">", *s, GRUB_MAX_CMDLINE, 0, 1);
}
grub_err_t ret = 0;
char *pager;
struct grub_script *parsed_script;
/* Enable the pager if the environment pager is set to 1. */
if (interactive)
pager = grub_env_get ("pager");
else
pager = NULL;
if (pager && (! grub_strcmp (pager, "1")))
grub_set_more (1);
/* Parse the script. */
parsed_script = grub_script_parse (cmdline, cmdline_get);
if (parsed_script)
{
/* Execute the command(s). */
grub_script_execute (parsed_script);
/* The parsed script was executed, throw it away. */
grub_script_free (parsed_script);
}
if (pager && (! grub_strcmp (pager, "1")))
grub_set_more (0);
return ret;
}