96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/* search.c - search devices based on a file or a filesystem label */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2007,2008,2009 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/types.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/err.h>
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#include <grub/dl.h>
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#include <grub/env.h>
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#include <grub/extcmd.h>
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#include <grub/search.h>
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#include <grub/i18n.h>
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static const struct grub_arg_option options[] =
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{
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{"file", 'f', 0, N_("Search devices by a file."), 0, 0},
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{"label", 'l', 0, N_("Search devices by a filesystem label."),
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0, 0},
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{"fs-uuid", 'u', 0, N_("Search devices by a filesystem UUID."),
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0, 0},
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{"set", 's', GRUB_ARG_OPTION_OPTIONAL,
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N_("Set a variable to the first device found."), "VAR", ARG_TYPE_STRING},
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{"no-floppy", 'n', 0, N_("Do not probe any floppy drive."), 0, 0},
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{0, 0, 0, 0, 0, 0}
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};
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enum options
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{
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SEARCH_FILE,
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SEARCH_LABEL,
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SEARCH_FS_UUID,
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SEARCH_SET,
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SEARCH_NO_FLOPPY,
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};
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static grub_err_t
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grub_cmd_search (grub_extcmd_t cmd, int argc, char **args)
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{
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struct grub_arg_list *state = cmd->state;
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const char *var = 0;
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if (argc == 0)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "no argument specified");
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if (state[SEARCH_SET].set)
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var = state[SEARCH_SET].arg ? state[SEARCH_SET].arg : "root";
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if (state[SEARCH_LABEL].set)
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grub_search_label (args[0], var, state[SEARCH_NO_FLOPPY].set);
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else if (state[SEARCH_FS_UUID].set)
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grub_search_fs_uuid (args[0], var, state[SEARCH_NO_FLOPPY].set);
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else if (state[SEARCH_FILE].set)
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grub_search_fs_file (args[0], var, state[SEARCH_NO_FLOPPY].set);
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else
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return grub_error (GRUB_ERR_INVALID_COMMAND, "unspecified search type");
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return grub_errno;
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}
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static grub_extcmd_t cmd;
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GRUB_MOD_INIT(search)
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{
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cmd =
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grub_register_extcmd ("search", grub_cmd_search,
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GRUB_COMMAND_FLAG_BOTH,
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N_("search [-f|-l|-u|-s|-n] NAME"),
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N_("Search devices by file, filesystem label"
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" or filesystem UUID."
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" If --set is specified, the first device found is"
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" set to a variable. If no variable name is"
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" specified, \"root\" is used."),
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options);
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}
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GRUB_MOD_FINI(search)
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{
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grub_unregister_extcmd (cmd);
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}
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