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Annotation of qemu/roms/ipxe/src/hci/commands/config_cmd.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (C) 2010 Michael Brown <[email protected]>.
        !             3:  *
        !             4:  * This program is free software; you can redistribute it and/or
        !             5:  * modify it under the terms of the GNU General Public License as
        !             6:  * published by the Free Software Foundation; either version 2 of the
        !             7:  * License, or any later version.
        !             8:  *
        !             9:  * This program is distributed in the hope that it will be useful, but
        !            10:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            12:  * General Public License for more details.
        !            13:  *
        !            14:  * You should have received a copy of the GNU General Public License
        !            15:  * along with this program; if not, write to the Free Software
        !            16:  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            17:  */
        !            18: 
        !            19: #include <string.h>
        !            20: #include <stdio.h>
        !            21: #include <errno.h>
        !            22: #include <getopt.h>
        !            23: #include <ipxe/command.h>
        !            24: #include <ipxe/parseopt.h>
        !            25: #include <ipxe/settings.h>
        !            26: #include <ipxe/settings_ui.h>
        !            27: 
        !            28: FILE_LICENCE ( GPL2_OR_LATER );
        !            29: 
        !            30: /** @file
        !            31:  *
        !            32:  * Configuration UI commands
        !            33:  *
        !            34:  */
        !            35: 
        !            36: /** "config" options */
        !            37: struct config_options {};
        !            38: 
        !            39: /** "config" option list */
        !            40: static struct option_descriptor config_opts[] = {};
        !            41: 
        !            42: /** "config" command descriptor */
        !            43: static struct command_descriptor config_cmd =
        !            44:        COMMAND_DESC ( struct config_options, config_opts, 0, 1, "[<scope>]" );
        !            45: 
        !            46: /**
        !            47:  * Parse settings scope name
        !            48:  *
        !            49:  * @v text             Text
        !            50:  * @ret value          Integer value
        !            51:  * @ret rc             Return status code
        !            52:  */
        !            53: static int parse_settings ( const char *text, struct settings **value ) {
        !            54: 
        !            55:        /* Sanity check */
        !            56:        assert ( text != NULL );
        !            57: 
        !            58:        /* Parse scope name */
        !            59:        *value = find_settings ( text );
        !            60:        if ( ! *value ) {
        !            61:                printf ( "\"%s\": no such scope\n", text );
        !            62:                return -EINVAL;
        !            63:        }
        !            64: 
        !            65:        return 0;
        !            66: }
        !            67: 
        !            68: /**
        !            69:  * "config" command
        !            70:  *
        !            71:  * @v argc             Argument count
        !            72:  * @v argv             Argument list
        !            73:  * @ret rc             Return status code
        !            74:  */
        !            75: static int config_exec ( int argc, char **argv ) {
        !            76:        struct config_options opts;
        !            77:        struct settings *settings;
        !            78:        int rc;
        !            79: 
        !            80:        /* Parse options */
        !            81:        if ( ( rc = parse_options ( argc, argv, &config_cmd, &opts ) ) != 0 )
        !            82:                return rc;
        !            83: 
        !            84:        /* Parse settings option, if present */
        !            85:        if ( ( rc = parse_settings ( ( ( optind < argc ) ? argv[optind] : "" ),
        !            86:                                     &settings ) ) != 0 )
        !            87:                return rc;
        !            88: 
        !            89:        /* Run settings UI */
        !            90:        if ( ( rc = settings_ui ( settings ) ) != 0 ) {
        !            91:                printf ( "Could not save settings: %s\n", strerror ( rc ) );
        !            92:                return rc;
        !            93:        }
        !            94: 
        !            95:        return 0;
        !            96: }
        !            97: 
        !            98: /** Configuration UI commands */
        !            99: struct command config_command __command = {
        !           100:        .name = "config",
        !           101:        .exec = config_exec,
        !           102: };

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