X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/bsd/sys/_endian.h

diff --git a/bsd/sys/_endian.h b/bsd/sys/_endian.h
index 3caddc156..3fb0f062f 100644
--- a/bsd/sys/_endian.h
+++ b/bsd/sys/_endian.h
@@ -1,14 +1,19 @@
 /*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -18,21 +23,26 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 /*
  * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -42,7 +52,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1987, 1991, 1993
@@ -85,50 +95,45 @@
 /*
  * Macros for network/external number representation conversion.
  */
-#if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN && !defined(lint)
-#define	ntohl(x)	(x)
-#define	ntohs(x)	(x)
-#define	htonl(x)	(x)
-#define	htons(x)	(x)
-
-#if	defined(KERNEL) || !defined(_POSIX_C_SOURCE)
-#define	NTOHL(x)	(x)
-#define	NTOHS(x)	(x)
-#define	HTONL(x)	(x)
-#define	HTONS(x)	(x)
-#endif /* defined(KERNEL) || !defined(_POSIX_C_SOURCE) */
 
-#else
+#if defined(lint)
 
-#if !defined(__ASSEMBLER__) 
-
-#include <stdint.h>
-#include <machine/byte_order.h>
- 
 __BEGIN_DECLS
-uint16_t	ntohs(uint16_t);
-uint16_t	htons(uint16_t);
-uint32_t	ntohl(uint32_t);
-uint32_t	htonl(uint32_t);
+__uint16_t	ntohs(__uint16_t);
+__uint16_t	htons(__uint16_t);
+__uint32_t	ntohl(__uint32_t);
+__uint32_t	htonl(__uint32_t);
 __END_DECLS
-#endif /* !defined(__ASSEMBLER__) */
 
-#define ntohs(x)	NXSwapBigShortToHost(x)
-#define htons(x)	NXSwapHostShortToBig(x)
+#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
+
+#define ntohl(x)        ((__uint32_t)(x))
+#define ntohs(x)        ((__uint16_t)(x))
+#define htonl(x)        ((__uint32_t)(x))
+#define htons(x)        ((__uint16_t)(x))
+
+#if     defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+#define NTOHL(x)        (x)
+#define NTOHS(x)        (x)
+#define HTONL(x)        (x)
+#define HTONS(x)        (x)
+#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
+
+#else	/* __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN */
+
+#include <libkern/_OSByteOrder.h>
+
+#define ntohs(x)	__DARWIN_OSSwapInt16(x)
+#define htons(x)	__DARWIN_OSSwapInt16(x)
 
-#if defined(__LP64__)
-#define ntohl(x)	NXSwapBigIntToHost(x)
-#define htonl(x)	NXSwapHostIntToBig(x)
-#else 
-#define ntohl(x)	NXSwapBigLongToHost(x)
-#define htonl(x)	NXSwapHostLongToBig(x)
-#endif /* defined(__LP64__) */
+#define ntohl(x)	__DARWIN_OSSwapInt32(x)
+#define htonl(x)	__DARWIN_OSSwapInt32(x)
 
-#if	defined(KERNEL) || !defined(_POSIX_C_SOURCE)
-#define	NTOHL(x)	(x) = ntohl((u_long)x)
-#define	NTOHS(x)	(x) = ntohs((u_short)x)
-#define	HTONL(x)	(x) = htonl((u_long)x)
-#define	HTONS(x)	(x) = htons((u_short)x)
-#endif /* defined(KERNEL) || !defined(_POSIX_C_SOURCE) */
-#endif /* __DARWIN_BYTE_ORDER != __DARWIN_BIG_ENDIAN || defined(lint) */ 
+#if	defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+#define	NTOHL(x)	(x) = ntohl((__uint32_t)x)
+#define	NTOHS(x)	(x) = ntohs((__uint16_t)x)
+#define	HTONL(x)	(x) = htonl((__uint32_t)x)
+#define	HTONS(x)	(x) = htons((__uint16_t)x)
+#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
+#endif /* __DARWIN_BYTE_ORDER */
 #endif /* !_SYS__ENDIAN_H_ */