[apple/xnu.git] / bsd / nfs / xdr_subs.h

/*
 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
 * 
 * @APPLE_LICENSE_OSREFERENCE_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.
 *
 * 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, 
 * 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_OSREFERENCE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1989, 1993
 *     The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *     This product includes software developed by the University of
 *     California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *     @(#)xdr_subs.h  8.3 (Berkeley) 3/30/95
 * FreeBSD-Id: xdr_subs.h,v 1.9 1997/02/22 09:42:53 peter Exp $
 */
 

#ifndef _NFS_XDR_SUBS_H_
#define _NFS_XDR_SUBS_H_

#include <sys/appleapiopts.h>

#ifdef __APPLE_API_PRIVATE
/*
 * Macros used for conversion to/from xdr representation by nfs...
 * These use the MACHINE DEPENDENT routines ntohl, htonl
 * As defined by "XDR: External Data Representation Standard" RFC1014
 *
 * To simplify the implementation, we use ntohl/htonl even on big-endian
 * machines, and count on them being `#define'd away.  Some of these
 * might be slightly more efficient as quad_t copies on a big-endian,
 * but we cannot count on their alignment anyway.
 */

#define	fxdr_unsigned(t, v)	((t)ntohl((long)(v)))
#define	txdr_unsigned(v)	(htonl((long)(v)))

#define	fxdr_nfsv2time(f, t) { \
	(t)->tv_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \
	if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \
		(t)->tv_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \
	else \
		(t)->tv_nsec = 0; \
}
#define	txdr_nfsv2time(f, t) { \
	((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->tv_sec); \
	if ((f)->tv_nsec != -1) \
		((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->tv_nsec / 1000); \
	else \
		((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \
}

#define	fxdr_nfsv3time(f, t) { \
	(t)->tv_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \
	(t)->tv_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \
}
#define	txdr_nfsv3time(f, t) { \
	((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->tv_sec); \
	((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->tv_nsec); \
}

#define	fxdr_hyper(f, t) { \
	((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \
	((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \
}
#define	txdr_hyper(f, t) { \
	((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \
	((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \
}

#endif /* __APPLE_API_PRIVATE */
#endif /* _NFS_XDR_SUBS_H_ */
Commit	Line	Data
1c79356b	1	/*
8ad349bb	2	* Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
1c79356b	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	31	/*
	32	* Copyright (c) 1989, 1993
91447636	33	* The Regents of the University of California. All rights reserved.
1c79356b A	34	*
	35	* This code is derived from software contributed to Berkeley by
	36	* Rick Macklem at The University of Guelph.
	37	*
	38	* Redistribution and use in source and binary forms, with or without
	39	* modification, are permitted provided that the following conditions
	40	* are met:
	41	* 1. Redistributions of source code must retain the above copyright
	42	* notice, this list of conditions and the following disclaimer.
	43	* 2. Redistributions in binary form must reproduce the above copyright
	44	* notice, this list of conditions and the following disclaimer in the
	45	* documentation and/or other materials provided with the distribution.
	46	* 3. All advertising materials mentioning features or use of this software
	47	* must display the following acknowledgement:
91447636 A	48	* This product includes software developed by the University of
91447636 A	49	* California, Berkeley and its contributors.
1c79356b A	50	* 4. Neither the name of the University nor the names of its contributors
	51	* may be used to endorse or promote products derived from this software
	52	* without specific prior written permission.
	53	*
	54	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	55	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	56	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	57	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	58	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	59	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	60	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	61	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	62	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	63	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	64	* SUCH DAMAGE.
	65	*
91447636	66	* @(#)xdr_subs.h 8.3 (Berkeley) 3/30/95
1c79356b A	67	* FreeBSD-Id: xdr_subs.h,v 1.9 1997/02/22 09:42:53 peter Exp $
1c79356b A	68	*/
91447636	69
1c79356b A	70
	71
	72	#ifndef _NFS_XDR_SUBS_H_
	73	#define _NFS_XDR_SUBS_H_
	74
9bccf70c A	75	#include <sys/appleapiopts.h>
	76
	77	#ifdef __APPLE_API_PRIVATE
1c79356b A	78	/*
	79	* Macros used for conversion to/from xdr representation by nfs...
	80	* These use the MACHINE DEPENDENT routines ntohl, htonl
	81	* As defined by "XDR: External Data Representation Standard" RFC1014
	82	*
	83	* To simplify the implementation, we use ntohl/htonl even on big-endian
	84	* machines, and count on them being `#define'd away. Some of these
	85	* might be slightly more efficient as quad_t copies on a big-endian,
	86	* but we cannot count on their alignment anyway.
	87	*/
	88
	89	#define fxdr_unsigned(t, v) ((t)ntohl((long)(v)))
	90	#define txdr_unsigned(v) (htonl((long)(v)))
	91
	92	#define fxdr_nfsv2time(f, t) { \
	93	(t)->tv_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \
	94	if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \
	95	(t)->tv_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \
	96	else \
	97	(t)->tv_nsec = 0; \
	98	}
	99	#define txdr_nfsv2time(f, t) { \
	100	((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->tv_sec); \
	101	if ((f)->tv_nsec != -1) \
	102	((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->tv_nsec / 1000); \
	103	else \
	104	((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \
	105	}
	106
	107	#define fxdr_nfsv3time(f, t) { \
	108	(t)->tv_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \
	109	(t)->tv_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \
	110	}
	111	#define txdr_nfsv3time(f, t) { \
	112	((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->tv_sec); \
	113	((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->tv_nsec); \
	114	}
	115
	116	#define fxdr_hyper(f, t) { \
	117	((long )(t))[_QUAD_HIGHWORD] = ntohl(((long )(f))[0]); \
	118	((long )(t))[_QUAD_LOWWORD] = ntohl(((long )(f))[1]); \
	119	}
	120	#define txdr_hyper(f, t) { \
	121	((long )(t))[0] = htonl(((long )(f))[_QUAD_HIGHWORD]); \
	122	((long )(t))[1] = htonl(((long )(f))[_QUAD_LOWWORD]); \
	123	}
	124
9bccf70c A	125	#endif /* __APPLE_API_PRIVATE */
9bccf70c A	126	#endif /* _NFS_XDR_SUBS_H_ */