xnu-3789.31.2.tar.gz

[apple/xnu.git] / bsd / sys / _endian.h

diff --git a/bsd/sys/_endian.h b/bsd/sys/_endian.h
index 8d0c683b8fff6b85412045c8dbacdd9ee64396ee..6e00b6c0bd69f495074cb96585aa4d2cb2236799 100644 (file)
--- a/bsd/sys/_endian.h
+++ b/bsd/sys/_endian.h
@@ -1,46 +1,58 @@
 /*
 /*

- * 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@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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.
  *
  */
 
 /*
  * 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. 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.

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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
  */
 /*
  * Copyright (c) 1987, 1991, 1993


@@ -83,50 +95,57 @@
 /*
  * Macros for network/external number representation conversion.
  */
 /*
  * 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(__ASSEMBLER__) 
-
-#include <stdint.h>
-#include <machine/byte_order.h>
- 
+
+#if defined(lint)
+

 __BEGIN_DECLS
 __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
 __END_DECLS

-#endif /* !defined(__ASSEMBLER__) */
-
-#define ntohs(x)       NXSwapBigShortToHost(x)
-#define htons(x)       NXSwapHostShortToBig(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__) */
-
-#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) */ 
+
+#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 ntohll(x)       ((__uint64_t)(x))
+#define htonll(x)       ((__uint64_t)(x))
+
+#define NTOHL(x)        (x)
+#define NTOHS(x)        (x)
+#define NTOHLL(x)       (x)
+#define HTONL(x)        (x)
+#define HTONS(x)        (x)
+#define HTONLL(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)
+
+#define ntohl(x)       __DARWIN_OSSwapInt32(x)
+#define htonl(x)       __DARWIN_OSSwapInt32(x)
+
+#if    defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+
+#define ntohll(x)       __DARWIN_OSSwapInt64(x)
+#define htonll(x)       __DARWIN_OSSwapInt64(x)
+
+#define        NTOHL(x)        (x) = ntohl((__uint32_t)x)
+#define        NTOHS(x)        (x) = ntohs((__uint16_t)x)
+#define        NTOHLL(x)       (x) = ntohll((__uint64_t)x)
+#define        HTONL(x)        (x) = htonl((__uint32_t)x)
+#define        HTONS(x)        (x) = htons((__uint16_t)x)
+#define        HTONLL(x)       (x) = htonll((__uint64_t)x)
+#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
+#endif /* __DARWIN_BYTE_ORDER */

 #endif /* !_SYS__ENDIAN_H_ */
 #endif /* !_SYS__ENDIAN_H_ */