1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_XYARRAY_H_ 3 #define _PERF_XYARRAY_H_ 1 4 5 #include <sys/types.h> 6 7 struct xyarray { 8 size_t row_size; 9 size_t entry_size; 10 size_t entries; 11 size_t max_x; 12 size_t max_y; 13 char contents[]; 14 }; 15 16 struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size); 17 void xyarray__delete(struct xyarray *xy); 18 void xyarray__reset(struct xyarray *xy); 19 xyarray__entry(struct xyarray * xy,int x,int y)20static inline void *xyarray__entry(struct xyarray *xy, int x, int y) 21 { 22 return &xy->contents[x * xy->row_size + y * xy->entry_size]; 23 } 24 xyarray__max_y(struct xyarray * xy)25static inline int xyarray__max_y(struct xyarray *xy) 26 { 27 return xy->max_y; 28 } 29 xyarray__max_x(struct xyarray * xy)30static inline int xyarray__max_x(struct xyarray *xy) 31 { 32 return xy->max_x; 33 } 34 35 #endif /* _PERF_XYARRAY_H_ */ 36