mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-26 12:34:41 +08:00
21 lines
432 B
C
21 lines
432 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;
|
||
|
char contents[];
|
||
|
};
|
||
|
|
||
|
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
|
||
|
void xyarray__delete(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_ */
|