mirror of
https://gitlab.isc.org/isc-projects/bind9
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Merge branch '1048-make-isc-endian.h-more-portable' into 'master'
Make <isc/endian.h> more portable Closes #1049, #1048, and #856 See merge request isc-projects/bind9!2001
This commit is contained in:
Michał Kępień
@@ -92,13 +92,7 @@ case "$1" in
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[ "$ipv6" ] && ifconfig lo0 inet6 \
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fd92:7065:b8e:${ipv6}ff::$ns alias
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;;
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*-unknown-netbsd*)
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ifconfig lo0 10.53.$i.$ns alias \
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netmask 255.255.255.0
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[ "$ipv6" ] && ifconfig lo0 inet6 \
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fd92:7065:b8e:${ipv6}ff::$ns alias
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;;
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*-unknown-openbsd*)
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*-unknown-dragonfly*|*-unknown-netbsd*|*-unknown-openbsd*)
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ifconfig lo0 10.53.$i.$ns alias \
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netmask 255.255.255.0
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[ "$ipv6" ] && ifconfig lo0 inet6 \
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@@ -11,51 +11,33 @@
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#pragma once
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#if defined(__linux__) || defined(__CYGWIN__)
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#include <endian.h>
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#elif defined __APPLE__
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#include <libkern/OSByteOrder.h>
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# define htobe16(x) OSSwapHostToBigInt16(x)
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# define htole16(x) OSSwapHostToLittleInt16(x)
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# define be16toh(x) OSSwapBigToHostInt16(x)
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# define le16toh(x) OSSwapLittleToHostInt16(x)
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# define htobe32(x) OSSwapHostToBigInt32(x)
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# define htole32(x) OSSwapHostToLittleInt32(x)
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# define be32toh(x) OSSwapBigToHostInt32(x)
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# define le32toh(x) OSSwapLittleToHostInt32(x)
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# define htobe64(x) OSSwapHostToBigInt64(x)
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# define htole64(x) OSSwapHostToLittleInt64(x)
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# define be64toh(x) OSSwapBigToHostInt64(x)
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# define le64toh(x) OSSwapLittleToHostInt64(x)
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
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#if defined(__DragonFly__) || defined(__FreeBSD__) || \
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defined(__NetBSD__) || defined (__OpenBSD__) || defined(__bsdi__)
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# include <sys/endian.h>
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# define be16toh(x) betoh16(x)
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# define le16toh(x) letoh16(x)
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# define be32toh(x) betoh32(x)
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# define le32toh(x) letoh32(x)
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# define be64toh(x) betoh64(x)
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# define le64toh(x) letoh64(x)
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/*
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* Recent BSDs should have [bl]e{16,32,64}toh() defined in <sys/endian.h>.
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* Older ones might not, but these should have the alternatively named
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* [bl]etoh{16,32,64}() functions defined.
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*/
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# ifndef be16toh
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# define be16toh(x) betoh16(x)
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# define le16toh(x) letoh16(x)
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# define be32toh(x) betoh32(x)
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# define le32toh(x) letoh32(x)
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# define be64toh(x) betoh64(x)
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# define le64toh(x) letoh64(x)
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# endif /* !be16toh */
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#elif defined(_WIN32)
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/* Windows is always little endian */
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#include <stdlib.h>
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/*
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* Windows is always little-endian and has its own byte-swapping routines, so
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* use these.
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*/
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# include <stdlib.h>
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# define htobe16(x) _byteswap_ushort(x)
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# define htole16(x) (x)
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@@ -72,13 +54,134 @@
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# define be64toh(x) _byteswap_uint64(x)
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# define le64toh(x) (x)
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#elif defined __APPLE__
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/*
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* macOS has its own byte-swapping routines, so use these.
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*/
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# include <libkern/OSByteOrder.h>
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# define htobe16(x) OSSwapHostToBigInt16(x)
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# define htole16(x) OSSwapHostToLittleInt16(x)
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# define be16toh(x) OSSwapBigToHostInt16(x)
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# define le16toh(x) OSSwapLittleToHostInt16(x)
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# define htobe32(x) OSSwapHostToBigInt32(x)
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# define htole32(x) OSSwapHostToLittleInt32(x)
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# define be32toh(x) OSSwapBigToHostInt32(x)
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# define le32toh(x) OSSwapLittleToHostInt32(x)
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# define htobe64(x) OSSwapHostToBigInt64(x)
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# define htole64(x) OSSwapHostToLittleInt64(x)
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# define be64toh(x) OSSwapBigToHostInt64(x)
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# define le64toh(x) OSSwapLittleToHostInt64(x)
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#elif defined(sun) || defined(__sun) || defined(__SVR4)
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/*
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* For Solaris, rely on the fallback definitions below, though use
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* Solaris-specific versions of bswap_{16,32,64}().
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*/
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# include <sys/byteorder.h>
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# define bswap_16(x) BSWAP_16(x)
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# define bswap_32(x) BSWAP_32(x)
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# define bswap_64(x) BSWAP_64(x)
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#elif defined(__ANDROID__) || defined(__CYGWIN__) || \
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defined(__GNUC__) || defined(__GNU__)
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# include <byteswap.h>
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# include <endian.h>
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#else
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#error Platform not supported
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#endif /* Specific platform support */
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#endif
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/*
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* Fallback definitions.
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*/
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#include <inttypes.h>
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#ifndef bswap_16
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# define bswap_16(x) \
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((uint16_t)((((uint16_t) (x) & 0xff00) >> 8) | \
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(((uint16_t) (x) & 0x00ff) << 8)))
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#endif /* !bswap_16 */
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#ifndef bswap_32
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# define bswap_32(x) \
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((uint32_t)((((uint32_t) (x) & 0xff000000) >> 24) | \
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(((uint32_t) (x) & 0x00ff0000) >> 8) | \
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(((uint32_t) (x) & 0x0000ff00) << 8) | \
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(((uint32_t) (x) & 0x000000ff) << 24)))
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#endif /* !bswap_32 */
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#ifndef bswap_64
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# define bswap_64(x) \
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((uint64_t)((((uint64_t) (x) & 0xff00000000000000ULL) >> 56) | \
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(((uint64_t) (x) & 0x00ff000000000000ULL) >> 40) | \
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(((uint64_t) (x) & 0x0000ff0000000000ULL) >> 24) | \
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(((uint64_t) (x) & 0x000000ff00000000ULL) >> 8) | \
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(((uint64_t) (x) & 0x00000000ff000000ULL) << 8) | \
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(((uint64_t) (x) & 0x0000000000ff0000ULL) << 24) | \
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(((uint64_t) (x) & 0x000000000000ff00ULL) << 40) | \
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(((uint64_t) (x) & 0x00000000000000ffULL) << 56)))
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#endif /* !bswap_64 */
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#ifndef htobe16
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# if WORDS_BIGENDIAN
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# define htobe16(x) (x)
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# define htole16(x) bswap_16(x)
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# define be16toh(x) (x)
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# define le16toh(x) bswap_16(x)
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# else /* WORDS_BIGENDIAN */
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# define htobe16(x) bswap_16(x)
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# define htole16(x) (x)
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# define be16toh(x) bswap_16(x)
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# define le16toh(x) (x)
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# endif /* WORDS_BIGENDIAN */
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#endif /* !htobe16 */
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#ifndef htobe32
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# if WORDS_BIGENDIAN
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# define htobe32(x) (x)
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# define htole32(x) bswap_32(x)
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# define be32toh(x) (x)
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# define le32toh(x) bswap_32(x)
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# else /* WORDS_BIGENDIAN */
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# define htobe32(x) bswap_32(x)
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# define htole32(x) (x)
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# define be32toh(x) bswap_32(x)
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# define le32toh(x) (x)
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# endif /* WORDS_BIGENDIAN */
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#endif /* !htobe32 */
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#ifndef htobe64
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# if WORDS_BIGENDIAN
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# define htobe64(x) (x)
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# define htole64(x) bswap_64(x)
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# define be64toh(x) (x)
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# define le64toh(x) bswap_64(x)
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#else /* WORDS_BIGENDIAN */
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# define htobe64(x) bswap_64(x)
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# define htole64(x) (x)
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# define be64toh(x) bswap_64(x)
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# define le64toh(x) (x)
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# endif /* WORDS_BIGENDIAN */
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#endif /* !htobe64 */
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