mirror of https://github.com/vitalif/zbackup
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org> and ZBackup contributors, see CONTRIBUTORS
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// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE
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#ifndef ENDIAN_HH_INCLUDED
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#define ENDIAN_HH_INCLUDED
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#include <stdint.h>
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#include <arpa/inet.h>
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#ifdef __APPLE__
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#include <machine/endian.h>
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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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//__APPLE__
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#elif __FreeBSD__
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#include <sys/endian.h>
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#else
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#include <endian.h>
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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/// Converts the given host-order value to big-endian value
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inline uint32_t toBigEndian( uint32_t v ) { return htonl( v ); }
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/// Converts the given host-order value to little-endian value
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inline uint32_t toLittleEndian( uint32_t v ) { return v; }
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inline uint64_t toLittleEndian( uint64_t v ) { return v; }
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/// Converts the given little-endian value to host-order value
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inline uint32_t fromLittleEndian( uint32_t v ) { return v; }
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inline uint64_t fromLittleEndian( uint64_t v ) { return v; }
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#elif __BYTE_ORDER == __BIG_ENDIAN
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// Note: the functions used are non-standard. Add more ifdefs if needed
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/// Converts the given host-order value to big-endian value
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inline uint32_t toBigEndian( uint32_t v ) { return v; }
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/// Converts the given host-order value to little-endian value
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inline uint32_t toLittleEndian( uint32_t v ) { return htole32( v ); }
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inline uint64_t toLittleEndian( uint64_t v ) { return htole64( v ); }
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/// Converts the given little-endian value to host-order value
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inline uint32_t fromLittleEndian( uint32_t v ) { return le32toh( v ); }
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inline uint64_t fromLittleEndian( uint64_t v ) { return le64toh( v ); }
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#else
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#error Please add support for architectures different from little-endian and\
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big-endian.
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#endif
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#endif
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