[deliverable/linux.git] / include / linux / unaligned / memmove.h

#ifndef _LINUX_UNALIGNED_MEMMOVE_H
#define _LINUX_UNALIGNED_MEMMOVE_H

#include <linux/kernel.h>
#include <linux/string.h>

/* Use memmove here, so gcc does not insert a __builtin_memcpy. */

static inline u16 __get_unaligned_memmove16(const void *p)
{
	u16 tmp;
	memmove(&tmp, p, 2);
	return tmp;
}

static inline u32 __get_unaligned_memmove32(const void *p)
{
	u32 tmp;
	memmove(&tmp, p, 4);
	return tmp;
}

static inline u64 __get_unaligned_memmove64(const void *p)
{
	u64 tmp;
	memmove(&tmp, p, 8);
	return tmp;
}

static inline void __put_unaligned_memmove16(u16 val, void *p)
{
	memmove(p, &val, 2);
}

static inline void __put_unaligned_memmove32(u32 val, void *p)
{
	memmove(p, &val, 4);
}

static inline void __put_unaligned_memmove64(u64 val, void *p)
{
	memmove(p, &val, 8);
}

#endif /* _LINUX_UNALIGNED_MEMMOVE_H */
Commit	Line	Data
064106a9 HH	1	#ifndef _LINUX_UNALIGNED_MEMMOVE_H
	2	#define _LINUX_UNALIGNED_MEMMOVE_H
	3
	4	#include <linux/kernel.h>
	5	#include <linux/string.h>
	6
	7	/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
	8
	9	static inline u16 __get_unaligned_memmove16(const void *p)
	10	{
	11	u16 tmp;
	12	memmove(&tmp, p, 2);
	13	return tmp;
	14	}
	15
	16	static inline u32 __get_unaligned_memmove32(const void *p)
	17	{
	18	u32 tmp;
	19	memmove(&tmp, p, 4);
	20	return tmp;
	21	}
	22
	23	static inline u64 __get_unaligned_memmove64(const void *p)
	24	{
	25	u64 tmp;
	26	memmove(&tmp, p, 8);
	27	return tmp;
	28	}
	29
	30	static inline void __put_unaligned_memmove16(u16 val, void *p)
	31	{
	32	memmove(p, &val, 2);
	33	}
	34
	35	static inline void __put_unaligned_memmove32(u32 val, void *p)
	36	{
	37	memmove(p, &val, 4);
	38	}
	39
	40	static inline void __put_unaligned_memmove64(u64 val, void *p)
	41	{
	42	memmove(p, &val, 8);
	43	}
	44
	45	#endif /* _LINUX_UNALIGNED_MEMMOVE_H */