[linux-2.6-block.git] / tools / perf / util / xyarray.h

#ifndef _PERF_XYARRAY_H_
#define _PERF_XYARRAY_H_ 1

#include <sys/types.h>

struct xyarray {
	size_t row_size;
	size_t entry_size;
	size_t entries;
	char contents[];
};

struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
void xyarray__delete(struct xyarray *xy);
void xyarray__reset(struct xyarray *xy);

static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
{
	return &xy->contents[x * xy->row_size + y * xy->entry_size];
}

#endif /* _PERF_XYARRAY_H_ */
Commit	Line	Data
69aad6f1 ACM	1	#ifndef _PERF_XYARRAY_H_
	2	#define _PERF_XYARRAY_H_ 1
	3
	4	#include <sys/types.h>
	5
	6	struct xyarray {
	7	size_t row_size;
	8	size_t entry_size;
b45f65e8	9	size_t entries;
69aad6f1 ACM	10	char contents[];
	11	};
	12
	13	struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
	14	void xyarray__delete(struct xyarray *xy);
b45f65e8	15	void xyarray__reset(struct xyarray *xy);
69aad6f1 ACM	16
	17	static inline void xyarray__entry(struct xyarray xy, int x, int y)
	18	{
	19	return &xy->contents[x * xy->row_size + y * xy->entry_size];
	20	}
	21
	22	#endif /* _PERF_XYARRAY_H_ */