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)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_ */ 21