[lttng-ust.git] / include / lttng / ust-endian.h

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * endian.h compatibility layer.
 */

#ifndef _LTTNG_UST_ENDIAN_H
#define _LTTNG_UST_ENDIAN_H

#if (defined(__linux__) || defined(__CYGWIN__))
#include <endian.h>
#include <byteswap.h>
#elif defined(__FreeBSD__)
#include <sys/endian.h>
#define bswap_16(x)	bswap16(x)
#define bswap_32(x)	bswap32(x)
#define bswap_64(x)	bswap64(x)
#else
#error "Please add support for your OS."
#endif

/*
 * BYTE_ORDER, LITTLE_ENDIAN, and BIG_ENDIAN are only defined on Linux
 * if __USE_BSD is defined. Force their definition.
 */
#ifndef BYTE_ORDER
#define BYTE_ORDER __BYTE_ORDER
#endif

#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN __LITTLE_ENDIAN
#endif

#ifndef BIG_ENDIAN
#define BIG_ENDIAN __BIG_ENDIAN
#endif

#ifndef FLOAT_WORD_ORDER
#ifdef __FLOAT_WORD_ORDER
#define FLOAT_WORD_ORDER	__FLOAT_WORD_ORDER
#else /* __FLOAT_WORD_ORDER */
#define FLOAT_WORD_ORDER	BYTE_ORDER
#endif /* __FLOAT_WORD_ORDER */
#endif /* FLOAT_WORD_ORDER */

#endif /* _LTTNG_UST_ENDIAN_H */
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	5	*
	6	* endian.h compatibility layer.
	7	*/
	8
	9	#ifndef _LTTNG_UST_ENDIAN_H
	10	#define _LTTNG_UST_ENDIAN_H
	11
	12	#if (defined(__linux__) \|\| defined(__CYGWIN__))
	13	#include <endian.h>
	14	#include <byteswap.h>
	15	#elif defined(__FreeBSD__)
	16	#include <sys/endian.h>
	17	#define bswap_16(x) bswap16(x)
	18	#define bswap_32(x) bswap32(x)
	19	#define bswap_64(x) bswap64(x)
	20	#else
	21	#error "Please add support for your OS."
	22	#endif
	23
	24	/*
	25	* BYTE_ORDER, LITTLE_ENDIAN, and BIG_ENDIAN are only defined on Linux
	26	* if __USE_BSD is defined. Force their definition.
	27	*/
	28	#ifndef BYTE_ORDER
	29	#define BYTE_ORDER __BYTE_ORDER
	30	#endif
	31
	32	#ifndef LITTLE_ENDIAN
	33	#define LITTLE_ENDIAN __LITTLE_ENDIAN
	34	#endif
	35
	36	#ifndef BIG_ENDIAN
	37	#define BIG_ENDIAN __BIG_ENDIAN
	38	#endif
	39
	40	#ifndef FLOAT_WORD_ORDER
	41	#ifdef __FLOAT_WORD_ORDER
	42	#define FLOAT_WORD_ORDER __FLOAT_WORD_ORDER
	43	#else /* __FLOAT_WORD_ORDER */
	44	#define FLOAT_WORD_ORDER BYTE_ORDER
	45	#endif /* __FLOAT_WORD_ORDER */
	46	#endif /* FLOAT_WORD_ORDER */
	47
	48	#endif /* _LTTNG_UST_ENDIAN_H */