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https://git.proxmox.com/git/grub2
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356670f1f2
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.
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/dl.h>
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#include <grub/misc.h>
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#include <grub/script_sh.h>
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/term.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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static grub_err_t
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grub_cmd_eval (grub_command_t cmd __attribute__((__unused__)),
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int argc, char *argv[])
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{
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int i;
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grub_size_t size = argc; /* +1 for final zero */
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char *str, *p;
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grub_err_t ret;
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if (argc == 0)
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return GRUB_ERR_NONE;
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for (i = 0; i < argc; i++)
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size += grub_strlen (argv[i]);
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str = p = grub_malloc (size);
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if (!str)
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return grub_errno;
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for (i = 0; i < argc; i++)
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{
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p = grub_stpcpy (p, argv[i]);
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*p++ = ' ';
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}
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*--p = '\0';
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ret = grub_script_execute_sourcecode (str);
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grub_free (str);
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return ret;
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}
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static grub_command_t cmd;
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GRUB_MOD_INIT(eval)
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{
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cmd = grub_register_command ("eval", grub_cmd_eval, N_("STRING ..."),
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N_("Evaluate arguments as GRUB commands"));
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}
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GRUB_MOD_FINI(eval)
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{
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grub_unregister_command (cmd);
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}
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