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c7a6e6bd15
Laz-perf is a relatively "underground" library, and is not packaged for many major distributions. Its also tiny and trivial to include with the other external libraries. This avoids requiring users who want point cloud support to have to compile their own laz-perf
116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
// (c) Mathias Panzenböck
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// http://github.com/panzi/mathfun/blob/master/examples/portable_endian.h
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//
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#pragma once
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#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
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# define __WINDOWS__
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#endif
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// use standard posix style headers for apple emscripten builds as well since emscripten sdk now ships its own
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// libc headers
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#if defined(__linux__) || defined(__CYGWIN__) || defined(__EMSCRIPTEN__)
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# include <endian.h>
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#elif defined(__APPLE__)
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# include <machine/endian.h>
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# include <libkern/OSByteOrder.h>
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# define htobe16 OSSwapHostToBigInt16
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# define htole16 OSSwapHostToLittleInt16
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# define be16toh OSSwapBigToHostInt16
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# define le16toh OSSwapLittleToHostInt16
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# define htobe32 OSSwapHostToBigInt32
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# define htole32 OSSwapHostToLittleInt32
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# define be32toh OSSwapBigToHostInt32
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# define le32toh OSSwapLittleToHostInt32
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# define htobe64 OSSwapHostToBigInt64
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# define htole64 OSSwapHostToLittleInt64
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# define be64toh OSSwapBigToHostInt64
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# define le64toh OSSwapLittleToHostInt64
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/**
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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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**/
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#elif defined(__OpenBSD__)|| defined(__FreeBSD__)
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# include <sys/endian.h>
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#elif defined(__NetBSD__) || defined(__DragonFly__)
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# define be16toh betoh16
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# define le16toh letoh16
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# define be32toh betoh32
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# define le32toh letoh32
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# define be64toh betoh64
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# define le64toh letoh64
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#elif defined(__WINDOWS__)
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# include <winsock2.h>
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# if BYTE_ORDER == LITTLE_ENDIAN
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# define htobe16 htons
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# define htole16(x) (x)
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# define be16toh ntohs
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# define le16toh(x) (x)
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# define htobe32 htonl
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# define htole32(x) (x)
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# define be32toh ntohl
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# define le32toh(x) (x)
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# define htobe64 htonll
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# define htole64(x) (x)
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# define be64toh ntohll
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# define le64toh(x) (x)
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# elif BYTE_ORDER == BIG_ENDIAN
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/* that would be xbox 360 */
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# define htobe16(x) (x)
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# define htole16(x) __builtin_bswap16(x)
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# define be16toh(x) (x)
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# define le16toh(x) __builtin_bswap16(x)
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# define htobe32(x) (x)
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# define htole32(x) __builtin_bswap32(x)
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# define be32toh(x) (x)
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# define le32toh(x) __builtin_bswap32(x)
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# define htobe64(x) (x)
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# define htole64(x) __builtin_bswap64(x)
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# define be64toh(x) (x)
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# define le64toh(x) __builtin_bswap64(x)
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# else
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# error byte order not supported
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# endif
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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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#else
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# error platform not supported
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#endif
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