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* grub-core/script/execute.c (grub_script_execute_sourcecode): Split

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off new function grub_script_execute_new_scope. Change callers to use
	either of them as appropriate.
	* grub-core/commands/eval.c: New command eval.
	* docs/grub.texi (Commands): Document it.
This commit is contained in:
Andrey Borzenkov 2013-06-07 18:40:37 +02:00 committed by Vladimir 'phcoder' Serbinenko
parent 593e430cd6
commit 356670f1f2
1 changed files with 71 additions and 0 deletions
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71
grub-core/commands/eval.c Normal file
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/*
* 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/dl.h>
#include <grub/misc.h>
#include <grub/script_sh.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/term.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_err_t
grub_cmd_eval (grub_command_t cmd __attribute__((__unused__)),
int argc, char *argv[])
{
int i;
grub_size_t size = argc; /* +1 for final zero */
char *str, *p;
grub_err_t ret;
if (argc == 0)
return GRUB_ERR_NONE;
for (i = 0; i < argc; i++)
size += grub_strlen (argv[i]);
str = p = grub_malloc (size);
if (!str)
return grub_errno;
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*p++ = ' ';
}
*--p = '\0';
ret = grub_script_execute_sourcecode (str);
grub_free (str);
return ret;
}
static grub_command_t cmd;
GRUB_MOD_INIT(eval)
{
cmd = grub_register_command ("eval", grub_cmd_eval, N_("STRING ..."),
N_("Evaluate arguments as GRUB commands"));
}
GRUB_MOD_FINI(eval)
{
grub_unregister_command (cmd);
}