/*

 * Copyright (c) 2001 Kungliga Tekniska Högskolan

 * (Royal Institute of Technology, Stockholm, Sweden).

 * 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.

 *

 * 3. Neither the name of the Institute nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.

 */

#include <config.h>

#include "roken.h"

#ifndef HAVE_BSWAP64

ROKEN_LIB_FUNCTION uint64_t ROKEN_LIB_CALL

bswap64 (uint64_t val)

{

    return

        (val & 0xffULL) << 56 |

  (val & 0xff00ULL) << 40 |

  (val & 0xff0000ULL) << 24 |

  (val & 0xff000000ULL) << 8 |

  (val & 0xff00000000ULL) >> 8 |

  (val & 0xff0000000000ULL) >> 24 |

  (val & 0xff000000000000ULL) >> 40 |

  (val & 0xff00000000000000ULL) >> 56 ;

}

#endif

#ifndef HAVE_BSWAP32

ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL

bswap32 (unsigned int val)

{

    return (val & 0xff) << 24 |

  (val & 0xff00) << 8 |

  (val & 0xff0000) >> 8 |

  (val & 0xff000000) >> 24;

}

#endif

#ifndef HAVE_BSWAP16

ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL

bswap16 (unsigned short val)

{

    return (val & 0xff) << 8 |

  (val & 0xff00) >> 8;

}

#endif