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Diffstat (limited to 'trunk/include/asterisk/endian.h')
-rw-r--r-- | trunk/include/asterisk/endian.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/trunk/include/asterisk/endian.h b/trunk/include/asterisk/endian.h new file mode 100644 index 000000000..302a0aa7d --- /dev/null +++ b/trunk/include/asterisk/endian.h @@ -0,0 +1,69 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * \brief Asterisk architecture endianess compatibility definitions + */ + +#ifndef _ASTERISK_ENDIAN_H +#define _ASTERISK_ENDIAN_H + +/* + * Autodetect system endianess + */ + +#ifndef __BYTE_ORDER +#ifdef __linux__ +#include <endian.h> +#elif defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__) +#include <machine/endian.h> +#define __BYTE_ORDER BYTE_ORDER +#define __LITTLE_ENDIAN LITTLE_ENDIAN +#define __BIG_ENDIAN BIG_ENDIAN +#else + +#ifndef __LITTLE_ENDIAN +#define __LITTLE_ENDIAN 1234 +#endif + +#ifndef __BIG_ENDIAN +#define __BIG_ENDIAN 4321 +#endif + +#ifdef __LITTLE_ENDIAN__ +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* __LITTLE_ENDIAN */ + +#if defined(i386) || defined(__i386__) +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* defined i386 */ + +#if defined(sun) && defined(unix) && defined(sparc) +#define __BYTE_ORDER __BIG_ENDIAN +#endif /* sun unix sparc */ + +#endif /* linux */ + +#endif /* __BYTE_ORDER */ + +#ifndef __BYTE_ORDER +#error Need to know endianess +#endif /* __BYTE_ORDER */ + +#endif /* _ASTERISK_ENDIAN_H */ + |