* endian.h (htobe16, htobe32, htobe64, be16toh, be32toh, be64toh,

	htole16, htole32, htole64, le16toh, le32toh, le64toh): Define.

1 files changed, 48 insertions, 1 deletions

diff --git a/winsup/cygwin/include/endian.h b/winsup/cygwin/include/endian.h
index c8b89d432..feb002c81 100644
--- a/winsup/cygwin/include/endian.h
+++ b/winsup/cygwin/include/endian.h
@@ -1,6 +1,6 @@
 /* endian.h
 
-   Copyright 2005 Red Hat, Inc.
+   Copyright 2005, 2010 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -36,5 +36,52 @@ details. */
 #elif __BYTE_ORDER == __BIG_ENDIAN
 # define __LONG_LONG_PAIR(HI, LO) HI, LO
 #endif
+
+#if /*defined __USE_BSD ||*/ ! defined _POSIX_SOURCE
+
+#include <byteswap.h>
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+
+#define htobe16(x) bswap_16(x)
+#define htobe32(x) bswap_32(x)
+#define htobe64(x) bswap_64(x)
+
+#define be16toh(x) bswap_16(x)
+#define be32toh(x) bswap_32(x)
+#define be64toh(x) bswap_64(x)
+
+#define htole16(x) (x)
+#define htole32(x) (x)
+#define htole64(x) (x)
+
+#define le16toh(x) (x)
+#define le32toh(x) (x)
+#define le64toh(x) (x)
+
+#endif /*__BYTE_ORDER == __LITTLE_ENDIAN*/
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+
+#define htobe16(x) (x)
+#define htobe32(x) (x)
+#define htobe64(x) (x)
+
+#define be16toh(x) (x)
+#define be32toh(x) (x)
+#define be64toh(x) (x)
+
+#define htole16(x) bswap_16(x)
+#define htole32(x) bswap_32(x)
+#define htole64(x) bswap_64(x)
+
+#define le16toh(x) bswap_16(x)
+#define le32toh(x) bswap_32(x)
+#define le64toh(x) bswap_64(x)
+
+#endif /*__BYTE_ORDER == __BIG_ENDIAN*/
+
+#endif /*__USE_BSD || !_POSIX_SOURCE*/
+
 #endif /*_ENDIAN_H_*/