linux_endian.h
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

linux_endian.h
View Options

	#ifndef __LINUX_ENDIAN_DOT_H__
	#define __LINUX_ENDIAN_DOT_H__


	#include <endian.h>
	#include <byteswap.h>


	/* I'm not sure which versions of alpha glibc/gcc are broken,
	so fix all of them. */
	#ifdef __alpha__
	#undef bswap_64
	static __inline__ unsigned long bswap_64(unsigned long x)
	{
	unsigned int h = x >> 32;
	unsigned int l = x;

	h = bswap_32(h);
	l = bswap_32(l);

	return ((unsigned long)l << 32) \| h;
	}
	#endif /* __alpha__ */


	#if __BYTE_ORDER == __BIG_ENDIAN

	#define be16_to_cpu(x) (x)
	#define be32_to_cpu(x) (x)
	#define be64_to_cpu(x) (x)

	#define cpu_to_be16(x) (x)
	#define cpu_to_be32(x) (x)
	#define cpu_to_be64(x) (x)

	#define le16_to_cpu(x) (bswap_16((x)))
	#define le32_to_cpu(x) (bswap_32((x)))
	#define le64_to_cpu(x) (bswap_64((x)))

	#define cpu_to_le16(x) (bswap_16((x)))
	#define cpu_to_le32(x) (bswap_32((x)))
	#define cpu_to_le64(x) (bswap_64((x)))

	#endif /* __BYTE_ORDER == __BIG_ENDIAN */


	#if __BYTE_ORDER == __LITTLE_ENDIAN

	#define be16_to_cpu(x) (bswap_16((x)))
	#define be32_to_cpu(x) (bswap_32((x)))
	#define be64_to_cpu(x) (bswap_64((x)))

	#define cpu_to_be16(x) (bswap_16((x)))
	#define cpu_to_be32(x) (bswap_32((x)))
	#define cpu_to_be64(x) (bswap_64((x)))

	#define le16_to_cpu(x) (x)
	#define le32_to_cpu(x) (x)
	#define le64_to_cpu(x) (x)

	#define cpu_to_le16(x) (x)
	#define cpu_to_le32(x) (x)
	#define cpu_to_le64(x) (x)

	#endif /* __BYTE_ORDER == __LITTLE_ENDIAN */


	#endif /* __LINUX_ENDIAN_DOT_H__ */