Simplify endianness and fix for unaligned reads (bug #3867)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5295 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 50 insertions, 0 deletions

diff --git a/include/asterisk/endian.h b/include/asterisk/endian.h
new file mode 100755
index 000000000..66f796250
--- /dev/null
+++ b/include/asterisk/endian.h
@@ -0,0 +1,50 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Asterisk internal frame definitions.
+ * 
+ * Copyright (C) 1999 - 2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU Lesser General Public License.  Other components of
+ * Asterisk are distributed under The GNU General Public License
+ * only.
+ */
+
+#ifndef _ASTERISK_ENDIAN_H
+#define _ASTERISK_ENDIAN_H
+
+/*
+ * Autodetect system endianess
+ */
+
+#if defined( __OpenBSD__ )
+#  include <machine/types.h>
+#  include <sys/endian.h>
+#elif defined( __FreeBSD__ ) || defined( __NetBSD__ )
+#  include <sys/types.h>
+#  include <sys/endian.h>
+#elif defined( BSD ) && ( BSD >= 199103 ) || defined(__APPLE__)
+#  include <machine/endian.h>
+#elif defined ( SOLARIS )
+#  include <solaris-compat/compat.h>
+#elif defined( __GNUC__ ) || defined( __GNU_LIBRARY__ )
+#  include <endian.h>
+#if !defined(__APPLE__)
+#  include <byteswap.h>
+#endif
+#elif defined( linux )
+#  include <endian.h>
+#endif
+
+#ifndef BYTE_ORDER
+#define BYTE_ORDER __BYTE_ORDER
+#endif
+
+#ifndef __BYTE_ORDER
+#error Endianess needs to be defined
+#endif
+#endif /* _ASTERISK_ENDIAN_H */
+