diff options
Diffstat (limited to 'grub-core/commands/search_wrap.c')
-rw-r--r-- | grub-core/commands/search_wrap.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/grub-core/commands/search_wrap.c b/grub-core/commands/search_wrap.c new file mode 100644 index 0000000..7b0a995 --- /dev/null +++ b/grub-core/commands/search_wrap.c @@ -0,0 +1,109 @@ +/* search.c - search devices based on a file or a filesystem label */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2007,2008,2009 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/misc.h> +#include <grub/mm.h> +#include <grub/err.h> +#include <grub/dl.h> +#include <grub/env.h> +#include <grub/extcmd.h> +#include <grub/search.h> +#include <grub/i18n.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const struct grub_arg_option options[] = + { + {"file", 'f', 0, N_("Search devices by a file."), 0, 0}, + {"label", 'l', 0, N_("Search devices by a filesystem label."), + 0, 0}, + {"fs-uuid", 'u', 0, N_("Search devices by a filesystem UUID."), + 0, 0}, + {"set", 's', GRUB_ARG_OPTION_OPTIONAL, + N_("Set a variable to the first device found."), "VAR", ARG_TYPE_STRING}, + {"no-floppy", 'n', 0, N_("Do not probe any floppy drive."), 0, 0}, + {"hint", 'h', GRUB_ARG_OPTION_REPEATABLE, + N_("First try the device HINT. If HINT ends in comma, " + "also try subpartitions"), N_("HINT"), ARG_TYPE_STRING}, + {0, 0, 0, 0, 0, 0} + }; + +enum options + { + SEARCH_FILE, + SEARCH_LABEL, + SEARCH_FS_UUID, + SEARCH_SET, + SEARCH_NO_FLOPPY, + SEARCH_HINT + }; + +static grub_err_t +grub_cmd_search (grub_extcmd_context_t ctxt, int argc, char **args) +{ + struct grub_arg_list *state = ctxt->state; + const char *var = 0; + int nhints = 0; + + if (state[SEARCH_HINT].set) + while (state[SEARCH_HINT].args[nhints]) + nhints++; + + if (argc == 0) + return grub_error (GRUB_ERR_BAD_ARGUMENT, "no argument specified"); + + if (state[SEARCH_SET].set) + var = state[SEARCH_SET].arg ? state[SEARCH_SET].arg : "root"; + + if (state[SEARCH_LABEL].set) + grub_search_label (args[0], var, state[SEARCH_NO_FLOPPY].set, + state[SEARCH_HINT].args, nhints); + else if (state[SEARCH_FS_UUID].set) + grub_search_fs_uuid (args[0], var, state[SEARCH_NO_FLOPPY].set, + state[SEARCH_HINT].args, nhints); + else if (state[SEARCH_FILE].set) + grub_search_fs_file (args[0], var, state[SEARCH_NO_FLOPPY].set, + state[SEARCH_HINT].args, nhints); + else + return grub_error (GRUB_ERR_INVALID_COMMAND, "unspecified search type"); + + return grub_errno; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(search) +{ + cmd = + grub_register_extcmd ("search", grub_cmd_search, GRUB_COMMAND_FLAG_EXTRACTOR, + N_("[-f|-l|-u|-s|-n] [--hint HINT [--hint HINT] ...]" + " NAME"), + N_("Search devices by file, filesystem label" + " or filesystem UUID." + " If --set is specified, the first device found is" + " set to a variable. If no variable name is" + " specified, \"root\" is used."), + options); +} + +GRUB_MOD_FINI(search) +{ + grub_unregister_extcmd (cmd); +} |