tools/perf/util/xyarray.h

   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_ */