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v0.5.1
https://github.com/torvalds/linux
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Tip revision: 99abfeafb5f2eea1bb481330ff37343e1133c924 authored by Linus Torvalds on 25 January 2007, 02:19:28 UTC
Linux 2.6.20-rc6
Tip revision: 99abfea
uaccess.h
#ifndef _ASM_GENERIC_UACCESS_H_
#define _ASM_GENERIC_UACCESS_H_

/*
 * This macro should be used instead of __get_user() when accessing
 * values at locations that are not known to be aligned.
 */
#define __get_user_unaligned(x, ptr)					\
({									\
	__typeof__ (*(ptr)) __x;					\
	__copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0;	\
	(x) = __x;							\
})


/*
 * This macro should be used instead of __put_user() when accessing
 * values at locations that are not known to be aligned.
 */
#define __put_user_unaligned(x, ptr)					\
({									\
	__typeof__ (*(ptr)) __x = (x);					\
	__copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0;	\
})

#endif /* _ASM_GENERIC_UACCESS_H */
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