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#ifndef __XEN_TOOLS_COMMON_MACROS__
#define __XEN_TOOLS_COMMON_MACROS__
/*
* Caution:
*
* This header must be completely self-contained. There are no external
* references to variables or functions allowed, as the file might be included
* for different runtime environments, such as firmware or target and build
* host programs.
*/
#ifndef BUILD_BUG_ON
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#define BUILD_BUG_ON(p) ({ _Static_assert(!(p), "!(" #p ")"); })
#else
#define BUILD_BUG_ON(p) ((void)sizeof(char[1 - 2 * !!(p)]))
#endif
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a))
#endif
#ifndef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif
#ifndef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef min
#define min(x, y) \
({ \
const typeof(x) _x = (x); \
const typeof(y) _y = (y); \
(void) (&_x == &_y); \
(_x < _y) ? _x : _y; \
})
#endif
#ifndef max
#define max(x, y) \
({ \
const typeof(x) _x = (x); \
const typeof(y) _y = (y); \
(void)(&_x == &_y); \
(_x > _y) ? _x : _y; \
})
#endif
#ifndef min_t
#define min_t(type, x, y) \
({ \
const type _x = (x); \
const type _y = (y); \
(_x < _y) ? _x: _y; \
})
#endif
#ifndef max_t
#define max_t(type, x, y) \
({ \
const type _x = (x); \
const type _y = (y); \
(_x > _y) ? _x: _y; \
})
#endif
#ifndef ROUNDUP
#define ROUNDUP(_x,_w) (((unsigned long)(_x)+(1UL<<(_w))-1) & ~((1UL<<(_w))-1))
#endif
#ifndef __must_check
#define __must_check __attribute__((__warn_unused_result__))
#endif
#define container_of(ptr, type, member) ({ \
typeof(((type *)0)->member) *mptr__ = (ptr); \
(type *)((char *)mptr__ - offsetof(type, member)); \
})
#endif /* __XEN_TOOLS_COMMON_MACROS__ */
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