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// "License": Public Domain | ||
// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like. | ||
// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to | ||
// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it | ||
// an example on how to get the endian conversion functions on different platforms. | ||
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#ifndef PORTABLE_ENDIAN_H__ | ||
#define PORTABLE_ENDIAN_H__ | ||
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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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#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) | ||
# define htole16(x) OSSwapHostToLittleInt16(x) | ||
# define be16toh(x) OSSwapBigToHostInt16(x) | ||
# define le16toh(x) OSSwapLittleToHostInt16(x) | ||
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# define htobe32(x) OSSwapHostToBigInt32(x) | ||
# define htole32(x) OSSwapHostToLittleInt32(x) | ||
# define be32toh(x) OSSwapBigToHostInt32(x) | ||
# define le32toh(x) OSSwapLittleToHostInt32(x) | ||
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# define htobe64(x) OSSwapHostToBigInt64(x) | ||
# define htole64(x) OSSwapHostToLittleInt64(x) | ||
# define be64toh(x) OSSwapBigToHostInt64(x) | ||
# define le64toh(x) OSSwapLittleToHostInt64(x) | ||
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# define __BYTE_ORDER BYTE_ORDER | ||
# define __BIG_ENDIAN BIG_ENDIAN | ||
# define __LITTLE_ENDIAN LITTLE_ENDIAN | ||
# define __PDP_ENDIAN PDP_ENDIAN | ||
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#elif defined(__OpenBSD__) | ||
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# include <sys/endian.h> | ||
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#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) | ||
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# include <sys/endian.h> | ||
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# define be16toh(x) betoh16(x) | ||
# define le16toh(x) letoh16(x) | ||
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# define be32toh(x) betoh32(x) | ||
# define le32toh(x) letoh32(x) | ||
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# define be64toh(x) betoh64(x) | ||
# define le64toh(x) letoh64(x) | ||
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#elif defined(__WINDOWS__) | ||
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# if BYTE_ORDER == LITTLE_ENDIAN | ||
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# define htobe16(x) __builtin_bswap16(x) | ||
# define htole16(x) (x) | ||
# define be16toh(x) __builtin_bswap16(x) | ||
# define le16toh(x) (x) | ||
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# define htobe32(x) __builtin_bswap32(x) | ||
# define htole32(x) (x) | ||
# define be32toh(x) __builtin_bswap32(x) | ||
# define le32toh(x) (x) | ||
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# define htobe64(x) __builtin_bswap64(x) | ||
# define htole64(x) (x) | ||
# define be64toh(x) __builtin_bswap64(x) | ||
# define le64toh(x) (x) | ||
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# elif BYTE_ORDER == BIG_ENDIAN | ||
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/* that would be xbox 360 */ | ||
# define htobe16(x) (x) | ||
# define htole16(x) __builtin_bswap16(x) | ||
# define be16toh(x) (x) | ||
# define le16toh(x) __builtin_bswap16(x) | ||
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# define htobe32(x) (x) | ||
# define htole32(x) __builtin_bswap32(x) | ||
# define be32toh(x) (x) | ||
# define le32toh(x) __builtin_bswap32(x) | ||
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# define htobe64(x) (x) | ||
# define htole64(x) __builtin_bswap64(x) | ||
# define be64toh(x) (x) | ||
# 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 | ||
# define __BIG_ENDIAN BIG_ENDIAN | ||
# define __LITTLE_ENDIAN LITTLE_ENDIAN | ||
# 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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#endif |
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