51369649b0
Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
102 lines
4.1 KiB
C
102 lines
4.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NFS_XDR_SUBS_H_
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#define _NFS_XDR_SUBS_H_
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/*
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* Macros used for conversion to/from xdr representation by nfs...
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* These use the MACHINE DEPENDENT routines ntohl, htonl
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* As defined by "XDR: External Data Representation Standard" RFC1014
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*
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* To simplify the implementation, we use ntohl/htonl even on big-endian
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* machines, and count on them being `#define'd away. Some of these
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* might be slightly more efficient as quad_t copies on a big-endian,
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* but we cannot count on their alignment anyway.
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*/
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#define fxdr_unsigned(t, v) ((t)ntohl((int32_t)(v)))
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#define txdr_unsigned(v) (htonl((int32_t)(v)))
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#define fxdr_nfsv2time(f, t) do { \
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(t)->tv_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \
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if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \
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(t)->tv_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \
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else \
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(t)->tv_nsec = 0; \
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} while (0)
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#define txdr_nfsv2time(f, t) do { \
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((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->tv_sec); \
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if ((f)->tv_nsec != -1) \
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((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->tv_nsec / 1000); \
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else \
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((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \
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} while (0)
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#define fxdr_nfsv3time(f, t) do { \
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(t)->tv_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \
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(t)->tv_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \
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} while (0)
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#define txdr_nfsv3time(f, t) do { \
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((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->tv_sec); \
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((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->tv_nsec); \
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} while (0)
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#define fxdr_nfsv4time(f, t) do { \
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(t)->tv_sec = ntohl(((struct nfsv4_time *)(f))->nfsv4_sec); \
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(t)->tv_nsec = (ntohl(((struct nfsv4_time *)(f))->nfsv4_nsec) % \
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1000000000); \
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} while (0)
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#define txdr_nfsv4time(f, t) do { \
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((struct nfsv4_time *)(t))->nfsv4_highsec = 0; \
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((struct nfsv4_time *)(t))->nfsv4_sec = htonl((f)->tv_sec); \
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((struct nfsv4_time *)(t))->nfsv4_nsec = htonl((f)->tv_nsec); \
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} while (0)
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#define fxdr_hyper(f) \
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((((u_quad_t)ntohl(((u_int32_t *)(f))[0])) << 32) | \
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(u_quad_t)(ntohl(((u_int32_t *)(f))[1])))
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#define txdr_hyper(f, t) do { \
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((u_int32_t *)(t))[0] = htonl((u_int32_t)((f) >> 32)); \
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((u_int32_t *)(t))[1] = htonl((u_int32_t)((f) & 0xffffffff)); \
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} while (0)
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#endif /* _NFS_XDR_SUBS_H_ */
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