69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* test.c -- The test command.. */
|
||
/*
|
||
* GRUB -- GRand Unified Bootloader
|
||
* Copyright (C) 2005,2007 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/dl.h>
|
||
#include <grub/misc.h>
|
||
#include <grub/mm.h>
|
||
#include <grub/env.h>
|
||
#include <grub/command.h>
|
||
|
||
static grub_err_t
|
||
grub_cmd_test (grub_command_t cmd __attribute__ ((unused)),
|
||
int argc, char **args)
|
||
{
|
||
char *eq;
|
||
char *eqis;
|
||
|
||
/* XXX: No fancy expression evaluation yet. */
|
||
|
||
if (argc == 0)
|
||
return 0;
|
||
|
||
eq = grub_strdup (args[0]);
|
||
eqis = grub_strchr (eq, '=');
|
||
if (! eqis)
|
||
return 0;
|
||
|
||
*eqis = '\0';
|
||
eqis++;
|
||
/* Check an expression in the form `A=B'. */
|
||
if (grub_strcmp (eq, eqis))
|
||
grub_error (GRUB_ERR_TEST_FAILURE, "false");
|
||
grub_free (eq);
|
||
|
||
return grub_errno;
|
||
}
|
||
|
||
static grub_command_t cmd_1, cmd_2;
|
||
|
||
GRUB_MOD_INIT(test)
|
||
{
|
||
(void)mod; /* To stop warning. */
|
||
cmd_1 = grub_register_command ("[", grub_cmd_test,
|
||
"[ EXPRESSION ]", "Evaluate an expression");
|
||
cmd_2 = grub_register_command ("test", grub_cmd_test,
|
||
"test EXPRESSION", "Evaluate an expression");
|
||
}
|
||
|
||
GRUB_MOD_FINI(test)
|
||
{
|
||
grub_unregister_command (cmd_1);
|
||
grub_unregister_command (cmd_2);
|
||
}
|