blob: 0c447476db8173d605134fd4fad5338c45025f27 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
#ifndef __DD_COMMON_H__
#define __DD_COMMON_H__
#include <stddef.h>
#define Z_STRINGIFY(x) #x
#define STRINGIFY(s) Z_STRINGIFY(s)
/* concatenate the values of the arguments into one */
#define _DO_CONCAT(x, y) x ## y
#define _CONCAT(x, y) _DO_CONCAT(x, y)
#define OFFSETOF(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#define CONTAINER_OF(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)((char *)__mptr - OFFSETOF(type,member));})
#endif/*__DD_COMMON_H__*/
|
