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https://github.com/darlinghq/darling-libxpc.git
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142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/* sys/endian.h - bsd-games compatibility with NetBSD <sys/endian.h> (not
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* a complete emulation).
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*
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* Copyright (c) 1999 Joseph Samuel Myers.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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#include <sys/types.h>
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#include <netinet/in.h>
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#include <TargetConditionals.h>
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#if TARGET_RT_BIG_ENDIAN
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#ifndef be16toh
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#define be16toh(x) ((u_int16_t)(x))
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#endif
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#ifndef htobe16
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#define htobe16(x) ((u_int16_t)(x))
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#endif
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#ifndef be32toh
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#define be32toh(x) ((u_int32_t)(x))
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#endif
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#ifndef htobe32
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#define htobe32(x) ((u_int32_t)(x))
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#endif
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#ifndef be64toh
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#define be64toh(x) ((u_int64_t)(x))
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#endif
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#ifndef htobe64
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#define htobe64(x) ((u_int64_t)(x))
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#endif
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#ifndef BE16TOH
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#define BE16TOH(x) ((void)0)
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#endif
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#ifndef HTOBE16
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#define HTOBE16(x) ((void)0)
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#endif
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#ifndef BE32TOH
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#define BE32TOH(x) ((void)0)
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#endif
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#ifndef HTOBE32
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#define HTOBE32(x) ((void)0)
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#endif
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#ifndef BE64TOH
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#define BE64TOH(x) ((void)0)
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#endif
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#ifndef HTOBE64
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#define HTOBE64(x) ((void)0)
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#endif
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#ifndef le64toh
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#ifdef __bswap_64 /* glibc */
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#define le64toh(x) ((u_int64_t)__bswap_64((u_int64_t)(x)))
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#else /* no __bswap_64 */
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#ifdef __swab64 /* Linux kernel headers (libc5, at least with kernel 2.2) */
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#define le64toh(x) ((u_int64_t)__swab64((u_int64_t)(x)))
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#else /* no __bswap_64 or __swab64 */
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static __inline__ u_int64_t le64toh(u_int64_t __x);
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static __inline__ u_int64_t le64toh(u_int64_t __x) { return (((u_int64_t)le32toh(__x & (u_int64_t)0xFFFFFFFFULL)) << 32) | ((u_int64_t)le32toh((__x & (u_int64_t)0xFFFFFFFF00000000ULL) >> 32)); }
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#define le64toh(x) le64toh((x))
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#endif /* no __bswap_64 or __swab64 */
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#endif /* no __bswap_64 */
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#endif /* no be64toh */
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#else /* little-endian */
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#ifndef be16toh
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#define be16toh(x) ((u_int16_t)ntohs((u_int16_t)(x)))
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#endif
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#ifndef htobe16
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#define htobe16(x) ((u_int16_t)htons((u_int16_t)(x)))
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#endif
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#ifndef be32toh
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#define be32toh(x) ((u_int32_t)ntohl((u_int32_t)(x)))
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#endif
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#ifndef htobe32
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#define htobe32(x) ((u_int32_t)htonl((u_int32_t)(x)))
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#endif
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#ifndef be64toh
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#ifdef __bswap_64 /* glibc */
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#define be64toh(x) ((u_int64_t)__bswap_64((u_int64_t)(x)))
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#else /* no __bswap_64 */
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#ifdef __swab64 /* Linux kernel headers (libc5, at least with kernel 2.2) */
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#define be64toh(x) ((u_int64_t)__swab64((u_int64_t)(x)))
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#else /* no __bswap_64 or __swab64 */
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static __inline__ u_int64_t be64toh(u_int64_t __x);
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static __inline__ u_int64_t be64toh(u_int64_t __x) { return (((u_int64_t)be32toh(__x & (u_int64_t)0xFFFFFFFFULL)) << 32) | ((u_int64_t)be32toh((__x & (u_int64_t)0xFFFFFFFF00000000ULL) >> 32)); }
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#define be64toh(x) be64toh((x))
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#endif /* no __bswap_64 or __swab64 */
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#endif /* no __bswap_64 */
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#endif /* no be64toh */
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#ifndef htobe64
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#define htobe64(x) be64toh(x)
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#endif
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#ifndef BE16TOH
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#define BE16TOH(x) ((x) = be16toh((x)))
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#endif
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#ifndef HTOBE16
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#define HTOBE16(x) ((x) = htobe16((x)))
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#endif
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#ifndef BE32TOH
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#define BE32TOH(x) ((x) = be32toh((x)))
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#endif
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#ifndef HTOBE32
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#define HTOBE32(x) ((x) = htobe32((x)))
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#endif
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#ifndef BE64TOH
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#define BE64TOH(x) ((x) = be64toh((x)))
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#endif
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#ifndef HTOBE64
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#define HTOBE64(x) ((x) = htobe64((x)))
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#endif
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#define le64toh(x) (x)
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#define le32toh(x) (x)
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#endif /* little-endian */
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/* Darling additions */
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#define be64dec(ptr) be64toh(*((uint64_t*)ptr))
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#define le64dec(ptr) le64toh(*((uint64_t*)ptr))
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