/*  This file is part of Lyos.

    Lyos 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.

    Lyos 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 Lyos.  If not, see <http://www.gnu.org/licenses/>. */

#include <lyos/ipc.h>
#include "lyos/const.h"
#include "errno.h"
#include <sys/stat.h>

#include "ext2_fs.h"

int ext2_utime(dev_t dev, ino_t num, const struct timespec* atime,
               const struct timespec* mtime)
{
    ext2_inode_t* pin;

    if ((pin = get_ext2_inode(dev, num)) == NULL) return EINVAL;

    pin->i_update = CTIME;

    switch (atime->tv_nsec) {
    case UTIME_NOW:
        pin->i_update |= ATIME;
        break;
    case UTIME_OMIT:
        break;
    default:
        pin->i_atime = atime->tv_sec;
        break;
    }

    switch (mtime->tv_nsec) {
    case UTIME_NOW:
        pin->i_update |= MTIME;
        break;
    case UTIME_OMIT:
        break;
    default:
        pin->i_mtime = mtime->tv_sec;
        break;
    }

    pin->i_dirt = INO_DIRTY;

    put_ext2_inode(pin);
    return 0;
}
