90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
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/* test.c -- The test command.. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <grub/normal.h>
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#include <grub/dl.h>
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#include <grub/arg.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/env.h>
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static grub_err_t
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grub_cmd_test (struct grub_arg_list *state __attribute__ ((unused)), int argc,
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char **args)
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{
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char *eq;
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char *eqis;
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/* XXX: No fancy expression evaluation yet. */
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if (argc == 0)
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return 0;
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eq = grub_strdup (args[0]);
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eqis = grub_strchr (eq, '=');
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if (! eqis)
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return 0;
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*eqis = '\0';
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eqis++;
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/* Check an expression in the form `A=B'. */
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if (grub_strcmp (eq, eqis))
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grub_error (GRUB_ERR_TEST_FAILURE, "false");
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grub_free (eq);
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return grub_errno;
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}
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#ifdef GRUB_UTIL
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void
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grub_test_init (void)
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{
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grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
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"[ EXPRESSION ]", "Evaluate an expression", 0);
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grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
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"test EXPRESSION", "Evaluate an expression", 0);
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}
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void
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grub_test_fini (void)
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{
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grub_unregister_command ("[");
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grub_unregister_command ("test");
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}
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#else /* ! GRUB_UTIL */
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GRUB_MOD_INIT
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{
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(void)mod; /* To stop warning. */
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grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
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"[ EXPRESSION ]", "Evaluate an expression", 0);
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grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE,
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"test EXPRESSION", "Evaluate an expression", 0);
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}
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GRUB_MOD_FINI
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{
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grub_unregister_command ("[");
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grub_unregister_command ("test");
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}
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#endif /* ! GRUB_UTIL */
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