| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 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 | |||||
| 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_ */ | ||||