mirror of https://gitee.com/openkylin/linux.git
23 lines
490 B
C
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_ */
|