#ifndef _PERF_XYARRAY_H_ #define _PERF_XYARRAY_H_ 1 #include <sys/types.h> struct xyarray { size_t row_size; size_t entry_size; size_t entries; char contents[]; }; struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size); void xyarray__delete(struct xyarray *xy); void xyarray__reset(struct xyarray *xy); static inline void *xyarray__entry(struct xyarray *xy, int x, int y) { return &xy->contents[x * xy->row_size + y * xy->entry_size]; } #endif /* _PERF_XYARRAY_H_ */