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/*

 * Copyright (c) 2009 Martin Decky

 * 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 libc

 * @{

 */

/** @file

 */

#ifndef LIBC_MACROS_H_

#define LIBC_MACROS_H_

#define min(a, b)  ((a) < (b) ? (a) : (b))

#define max(a, b)  ((a) > (b) ? (a) : (b))

#define SIZE2KB(size)  ((size) >> 10)

#define SIZE2MB(size)  ((size) >> 20)

#define KB2SIZE(kb)  ((kb) << 10)

#define MB2SIZE(mb)  ((mb) << 20)

#define STRING(arg)      STRING_ARG(arg)

#define STRING_ARG(arg)  #arg

#define LOWER32(arg)  ((arg) & 0xffffffff)

#define UPPER32(arg)  (((arg) >> 32) & 0xffffffff)

#define MERGE_LOUP32(lo, up) \

    ((((uint64_t) (lo)) & 0xffffffff) \

        | ((((uint64_t) (up)) & 0xffffffff) << 32))

#endif

/** @}

 */