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/* ----------------------------------------------------------------------- *
*
* Copyright 2009 Intel Corporation; author H. Peter Anvin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
#ifndef _SYSLINUX_ALIGN_H
#define _SYSLINUX_ALIGN_H
#include <stdint.h>
static inline uintptr_t __align_down(uintptr_t __p, uintptr_t __a)
{
return __p & ~(__a - 1);
}
static inline uintptr_t __align_up(uintptr_t __p, uintptr_t __a)
{
return (__p + __a - 1) & ~(__a - 1);
}
#define ALIGN_UP(p,a) ((__typeof__(p))__align_up((uintptr_t)(p), (a)))
#define ALIGN_DOWN(p,a) ((__typeof__(p))__align_down((uintptr_t)(p), (a)))
#define ALIGN_UP_FOR(p,t) ALIGN_UP(p,sizeof(t))
#define ALIGN_DOWN_FOR(p,t) ALIGN_DOWN(p,sizeof(t))
#endif /* _SYSLINUX_ALIGN_H */
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