2017-09-11 07:06:52 +12:00

71 lines
1.6 KiB
C

/*
* Copyright 2017 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _BSD_ENDIAN_H_
#define _BSD_ENDIAN_H_
#include_next <endian.h>
#ifdef _BSD_SOURCE
#include <config/HaikuConfig.h>
#include <support/ByteOrder.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* General byte order swapping functions.
*/
#define bswap16(x) __swap_int16(x)
#define bswap32(x) __swap_int32(x)
#define bswap64(x) __swap_int64(x)
/*
* Host to big endian, host to little endian, big endian to host, and little
* endian to host byte order functions as detailed in byteorder(9).
*/
#if BYTE_ORDER == LITTLE_ENDIAN
#define htobe16(x) bswap16((x))
#define htobe32(x) bswap32((x))
#define htobe64(x) bswap64((x))
#define htole16(x) ((uint16_t)(x))
#define htole32(x) ((uint32_t)(x))
#define htole64(x) ((uint64_t)(x))
#define be16toh(x) bswap16((x))
#define be32toh(x) bswap32((x))
#define be64toh(x) bswap64((x))
#define le16toh(x) ((uint16_t)(x))
#define le32toh(x) ((uint32_t)(x))
#define le64toh(x) ((uint64_t)(x))
#else /* BYTE_ORDER != LITTLE_ENDIAN */
#define htobe16(x) ((uint16_t)(x))
#define htobe32(x) ((uint32_t)(x))
#define htobe64(x) ((uint64_t)(x))
#define htole16(x) bswap16((x))
#define htole32(x) bswap32((x))
#define htole64(x) bswap64((x))
#define be16toh(x) ((uint16_t)(x))
#define be32toh(x) ((uint32_t)(x))
#define be64toh(x) ((uint64_t)(x))
#define le16toh(x) bswap16((x))
#define le32toh(x) bswap32((x))
#define le64toh(x) bswap64((x))
#endif /* BYTE_ORDER == LITTLE_ENDIAN */
#ifdef __cplusplus
}
#endif
#endif
#endif /* _BSD_ENDIAN_H_ */