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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/include/asm-generic/
1#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H
2#define __ASM_GENERIC_UACCESS_UNALIGNED_H
3
4/*
5 * This macro should be used instead of __get_user() when accessing
6 * values at locations that are not known to be aligned.
7 */
8#define __get_user_unaligned(x, ptr)					\
9({									\
10	__typeof__ (*(ptr)) __x;					\
11	__copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0;	\
12	(x) = __x;							\
13})
14
15
16/*
17 * This macro should be used instead of __put_user() when accessing
18 * values at locations that are not known to be aligned.
19 */
20#define __put_user_unaligned(x, ptr)					\
21({									\
22	__typeof__ (*(ptr)) __x = (x);					\
23	__copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0;	\
24})
25
26#endif /* __ASM_GENERIC_UACCESS_UNALIGNED_H */
27