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kernel-49/tools/perf/util/xyarray.h
Andrey Zolotarev e72e9355e3 start the android-4.9 tree
git: https://android.googlesource.com/kernel/common
branch: android-4.9
commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
2018-11-15 21:36:32 +03:00

23 lines
490 B
C

#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_ */