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Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001#ifndef _PERF_XYARRAY_H_
2#define _PERF_XYARRAY_H_ 1
3
4#include <sys/types.h>
5
6struct xyarray {
7 size_t row_size;
8 size_t entry_size;
9 char contents[];
10};
11
12struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
13void xyarray__delete(struct xyarray *xy);
14
15static 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_ */