svn commit: r245028 - user/adrian/ath_radar_stuff/src/pktlog

[Adrian Chadd]

Author: adrian
Date: Fri Jan  4 05:50:44 2013
New Revision: 245028
URL: http://svnweb.freebsd.org/changeset/base/245028

Log:
  .. another part from the radiotap import.

Added:
  user/adrian/ath_radar_stuff/src/pktlog/platform.h

Added: user/adrian/ath_radar_stuff/src/pktlog/platform.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/adrian/ath_radar_stuff/src/pktlog/platform.h	Fri Jan  4 05:50:44 2013	(r245028)
@@ -0,0 +1,19 @@
+#include <stddef.h>
+#include <errno.h>
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#include <sys/endian.h>
+
+#define le16_to_cpu		le16toh
+#define le32_to_cpu		le32toh
+#define get_unaligned(p)					\
+({								\
+	struct packed_dummy_struct {				\
+		typeof(*(p)) __val;				\
+	} __attribute__((packed)) *__ptr = (void *) (p);	\
+								\
+	__ptr->__val;						\
+})
+#define get_unaligned_le16(p)	le16_to_cpu(get_unaligned((uint16_t *)(p)))
+#define get_unaligned_le32(p)	le32_to_cpu(get_unaligned((uint32_t *)(p)))