LogCabin: Core/Endian.h Source File

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00001 /* Copyright (c) 2012 Stanford University
00002  *
00003  * Permission to use, copy, modify, and distribute this software for any
00004  * purpose with or without fee is hereby granted, provided that the above
00005  * copyright notice and this permission notice appear in all copies.
00006  *
00007  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR(S) DISCLAIM ALL WARRANTIES
00008  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
00009  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL AUTHORS BE LIABLE FOR
00010  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
00011  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
00012  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
00013  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
00014  */
00015 
00016 #include <cinttypes>
00017 #include <endian.h>
00018 
00019 #ifndef LOGCABIN_CORE_ENDIAN_H
00020 #define LOGCABIN_CORE_ENDIAN_H
00021 
00022 // RHEL6 is missing this cast, which affects htobe16 and
00023 // be16toh.
00024 #ifdef __bswap_constant_16
00025 #undef __bswap_constant_16
00026 #define __bswap_constant_16(x) \
00027      (uint16_t((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
00028 #endif
00029 
00030 #endif /* LOGCABIN_CORE_ENDIAN_H */