946ac5071e
primary new feature is auditdistd. Obtained from: TrustedBSD Project Sponsored by: The FreeBSD Foundation (auditdistd)
151 lines
3.7 KiB
C
151 lines
3.7 KiB
C
/*-
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* Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
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* Copyright (c) 2005 Robert N. M. Watson
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* Derived from FreeBSD src/sys/sys/endian.h:1.6.
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* $P4: //depot/projects/trustedbsd/openbsm/compat/endian_enc.h#1 $
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*/
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#ifndef _COMPAT_ENDIAN_ENC_H_
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#define _COMPAT_ENDIAN_ENC_H_
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/*
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* Some systems will have the uint/int types defined here already, others
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* will need stdint.h.
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*/
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
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static __inline uint16_t
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be16dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return ((p[0] << 8) | p[1]);
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}
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static __inline uint32_t
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be32dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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static __inline uint64_t
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be64dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4));
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}
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static __inline uint16_t
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le16dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return ((p[1] << 8) | p[0]);
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}
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static __inline uint32_t
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le32dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
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}
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static __inline uint64_t
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le64dec(const void *pp)
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{
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unsigned char const *p = (unsigned char const *)pp;
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return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p));
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}
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static __inline void
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be16enc(void *pp, uint16_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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p[0] = (u >> 8) & 0xff;
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p[1] = u & 0xff;
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}
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static __inline void
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be32enc(void *pp, uint32_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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p[0] = (u >> 24) & 0xff;
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p[1] = (u >> 16) & 0xff;
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p[2] = (u >> 8) & 0xff;
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p[3] = u & 0xff;
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}
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static __inline void
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be64enc(void *pp, uint64_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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be32enc(p, u >> 32);
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be32enc(p + 4, u & 0xffffffff);
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}
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static __inline void
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le16enc(void *pp, uint16_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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p[0] = u & 0xff;
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p[1] = (u >> 8) & 0xff;
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}
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static __inline void
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le32enc(void *pp, uint32_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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p[0] = u & 0xff;
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p[1] = (u >> 8) & 0xff;
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p[2] = (u >> 16) & 0xff;
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p[3] = (u >> 24) & 0xff;
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}
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static __inline void
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le64enc(void *pp, uint64_t u)
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{
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unsigned char *p = (unsigned char *)pp;
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le32enc(p, u & 0xffffffff);
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le32enc(p + 4, u >> 32);
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}
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#endif /* _COMPAT_ENDIAN_ENC_H_ */
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