mirror of https://github.com/vitalif/zbackup
47 lines
1.6 KiB
C++
47 lines
1.6 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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#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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