Linux kernel mirror (for testing)
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linux
1#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 size_t entries;
10 size_t max_x;
11 size_t max_y;
12 char contents[];
13};
14
15struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
16void xyarray__delete(struct xyarray *xy);
17void xyarray__reset(struct xyarray *xy);
18
19static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
20{
21 return &xy->contents[x * xy->row_size + y * xy->entry_size];
22}
23
24static inline int xyarray__max_y(struct xyarray *xy)
25{
26 return xy->max_x;
27}
28
29static inline int xyarray__max_x(struct xyarray *xy)
30{
31 return xy->max_y;
32}
33
34#endif /* _PERF_XYARRAY_H_ */