util.h

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#ifndef __UTIL_H__
#define __UTIL_H__
 
#include <stdint.h>
 
#define CEILING(x, y) (((x) + (y) -1) / (y))
 
#define BITMAP_SIZE(x) CEILING(x, 32) /* Bitmap type should be uint32_t */
 
#define ALIGN_MASK(x, mask) ((x) & ~(mask))
#define ALIGN(x, a) ALIGN_MASK(x, (__typeof__(x)) ((a) -1))
 
#endif