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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/kern/rescue_parser.c | |
parent | Initial commit. (diff) | |
download | grub2-upstream/2.06.tar.xz grub2-upstream/2.06.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/kern/rescue_parser.c')
-rw-r--r-- | grub-core/kern/rescue_parser.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/grub-core/kern/rescue_parser.c b/grub-core/kern/rescue_parser.c new file mode 100644 index 0000000..6338366 --- /dev/null +++ b/grub-core/kern/rescue_parser.c @@ -0,0 +1,84 @@ +/* rescue_parser.c - rescue mode parser */ +/* + * 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/types.h> +#include <grub/mm.h> +#include <grub/env.h> +#include <grub/parser.h> +#include <grub/misc.h> +#include <grub/command.h> +#include <grub/i18n.h> + +grub_err_t +grub_rescue_parse_line (char *line, + grub_reader_getline_t getline, void *getline_data) +{ + char *name; + int n; + grub_command_t cmd; + char **args; + + if (grub_parser_split_cmdline (line, getline, getline_data, &n, &args) + || n < 0) + return grub_errno; + + if (n == 0) + return GRUB_ERR_NONE; + + /* In case of an assignment set the environment accordingly + instead of calling a function. */ + if (n == 1) + { + char *val = grub_strchr (args[0], '='); + + if (val) + { + val[0] = 0; + grub_env_set (args[0], val + 1); + val[0] = '='; + goto quit; + } + } + + /* Get the command name. */ + name = args[0]; + + /* If nothing is specified, restart. */ + if (*name == '\0') + goto quit; + + cmd = grub_command_find (name); + if (cmd) + { + (cmd->func) (cmd, n - 1, &args[1]); + } + else + { + grub_printf_ (N_("Unknown command `%s'.\n"), name); + if (grub_command_find ("help")) + grub_printf ("Try `help' for usage\n"); + } + + quit: + /* Arguments are returned in single memory chunk separated by zeroes */ + grub_free (args[0]); + grub_free (args); + + return grub_errno; +} |