/* $FreeBSD: head/tools/tools/bus_autoconf/bus_autoconf.c 228975 2011-12-30 00:04:11Z uqs $ */

/*-
 * Copyright (c) 2011 Hans Petter Selasky. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Disclaimer: This utility and format is subject to change and not a
 * committed interface.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include <sysexits.h>
#include <unistd.h>

#include "bus_autoconf.h"
#include "bus_sections.h"
#include "bus_load_file.h"
#include "bus_usb.h"

static void
usage(void)
{
        fprintf(stderr,
            "bus_autoconf - devd config file generator\n"
            "   -i <structure_type,module.ko>\n"
            "   -F <format_file>\n"
            "   -h show usage\n"
        );
        exit(EX_USAGE);
}

int
main(int argc, char **argv)
{
        const char *params = "i:F:h";
        char *fname;
        char *section;
        char *module;
        char *postfix;
        uint8_t *ptr;
        uint32_t len;
        int c;
        int any_opt = 0;

        while ((c = getopt(argc, argv, params)) != -1) {
                switch (c) {
                case 'i':
                        fname = optarg;
                        load_file(fname, &ptr, &len);

                        module = strchr(fname, ',');
                        if (module == NULL) {
                                errx(EX_USAGE, "Invalid input "
                                    "file name '%s'", fname);
                        }
                        /* split module and section */
                        *module++ = 0;

                        /* remove postfix */
                        postfix = strchr(module, '.');
                        if (postfix)
                                *postfix = 0;

                        /* get section name */
                        section = fname;

                        /* check section type */
                        if (strncmp(section, "usb_", 4) == 0)
                                usb_import_entries(section, module, ptr, len);
                        else
                                errx(EX_USAGE, "Invalid section '%s'", section);

                        free(ptr);

                        any_opt = 1;
                        break;

                case 'F':
                        fname = optarg;
                        load_file(fname, &ptr, &len);
                        format_parse_entries(ptr, len);
                        free(ptr);

                        any_opt = 1;
                        break;

                default:
                        usage();
                        break;
                }
        }

        if (any_opt == 0)
                usage();

        usb_dump_entries();

        return (0);
}