/*
* 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 mabs(a) ((a) >= 0 ? (a) : -(a))
#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
#define KiB2SIZE(kb) ((kb) << 10)
#define MiB2SIZE(mb) ((mb) << 20)
#define STRING(arg) STRING_ARG(arg)
#define STRING_ARG(arg) #arg
#define LOWER32(arg) (((uint64_t) (arg)) & 0xffffffff)
#define UPPER32(arg) (((((uint64_t) arg)) >> 32) & 0xffffffff)
#define MERGE_LOUP32(lo, up) \
((((uint64_t) (lo)) & 0xffffffff) \
| ((((uint64_t) (up)) & 0xffffffff) << 32))
#define _paddname(line) PADD_ ## line ## __
#define _padd(width, line, n) uint ## width ## _t _paddname(line) [n]
#define PADD32(n) _padd(32, __LINE__, n)
#define PADD16(n) _padd(16, __LINE__, n)
#define PADD8(n) _padd(8, __LINE__, n)
#endif
/** @}
*/