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byteorder.h revision 1.2 
      1 /*	$NetBSD: byteorder.h,v 1.2 2021/12/19 10:56:30 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Taylor R. Campbell.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ASM_BYTEORDER_H_
     33 #define _ASM_BYTEORDER_H_
     34 
     35 #include <sys/endian.h>
     36 
     37 #if _BYTE_ORDER == _LITTLE_ENDIAN
     38 #define	__LITTLE_ENDIAN
     39 #elif _BYTE_ORDER == _BIG_ENDIAN
     40 #define	__BIG_ENDIAN
     41 #else
     42 #error Unknown byte order!
     43 #endif
     44 
     45 #define	cpu_to_le16	htole16
     46 #define	cpu_to_le32	htole32
     47 #define	cpu_to_le64	htole64
     48 #define	cpu_to_be16	htobe16
     49 #define	cpu_to_be32	htobe32
     50 #define	cpu_to_be64	htobe64
     51 
     52 #define	le16_to_cpu	le16toh
     53 #define	le32_to_cpu	le32toh
     54 #define	le64_to_cpu	le64toh
     55 #define	be16_to_cpu	be16toh
     56 #define	be32_to_cpu	be32toh
     57 #define	be64_to_cpu	be64toh
     58 
     59 #define	be16_to_cpup	be16dec
     60 #define	be32_to_cpup	be32dec
     61 #define	be64_to_cpup	be64dec
     62 #define	le16_to_cpup	le16dec
     63 #define	le32_to_cpup	le32dec
     64 #define	le64_to_cpup	le64dec
     65 
     66 #endif	/* _ASM_BYTEORDER_H_ */
     67