HelenOS sources

root/kernel/genarch/src/multiboot/common.c

DEFINITIONS

1. multiboot_cmdline

/*
 * Copyright (c) 2017 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
 */

/** @addtogroup kernel_genarch
 * @{
 */
/** @file
 */

#include <genarch/multiboot/multiboot.h>
#include <config.h>
#include <stddef.h>

void multiboot_cmdline(const char *cmdline)
{
        /*
         * GRUB passes the command line in an escaped form.
         */
        for (size_t i = 0, j = 0;
            cmdline[i] && j < CONFIG_BOOT_ARGUMENTS_BUFLEN;
            i++, j++) {
                if (cmdline[i] == '\\') {
                        switch (cmdline[i + 1]) {
                        case '\\':
                        case '\'':
                        case '\"':
                                i++;
                                break;
                        }
                }
                bargs[j] = cmdline[i];
        }
}

/** @}
 */