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;
9 	char contents[];
10 };
11 
12 struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
13 void xyarray__delete(struct xyarray *xy);
14 
xyarray__entry(struct xyarray * xy,int x,int y)15 static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
16 {
17 	return &xy->contents[x * xy->row_size + y * xy->entry_size];
18 }
19 
20 #endif /* _PERF_XYARRAY_H_ */
21