/* test.c -- The test command.. */ /* * GRUB -- GRand Unified Bootloader * Copyright (C) 2005 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 2 of the License, or * (at your option) any later version. * * This program 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, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include static grub_err_t grub_cmd_test (struct grub_arg_list *state __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; } #ifdef GRUB_UTIL void grub_test_init (void) { grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE, "[ EXPRESSION ]", "Evaluate an expression", 0); grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE, "test EXPRESSION", "Evaluate an expression", 0); } void grub_test_fini (void) { grub_unregister_command ("["); grub_unregister_command ("test"); } #else /* ! GRUB_UTIL */ GRUB_MOD_INIT { (void)mod; /* To stop warning. */ grub_register_command ("[", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE, "[ EXPRESSION ]", "Evaluate an expression", 0); grub_register_command ("test", grub_cmd_test, GRUB_COMMAND_FLAG_CMDLINE, "test EXPRESSION", "Evaluate an expression", 0); } GRUB_MOD_FINI { grub_unregister_command ("["); grub_unregister_command ("test"); } #endif /* ! GRUB_UTIL */