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#ifndef UTILS_H
#define UTILS_H
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
/* Use this version of container_of() - it's safer than others */
#undef container_of
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#define __min(tx,ty,x,y) ({ \
tx _min1 = (x); \
ty _min2 = (y); \
(void)(&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
#define __max(tx,ty,x,y) ({ \
tx _max1 = (x); \
ty _max2 = (y); \
(void)(&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
#define mint(x,y) __min(typeof(x), typeof(y), x, y)
#define min_t(t,x,y) __min(t, t, x, y)
#define maxt(x,y) __max(typeof(x), typeof(y), x, y)
#define max_t(t,x,y) __max(t, t, x, y)
#define ALIGN(v,a) (((v) + ((a) - 1)) & ~((a) - 1))
#endif
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