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      1 /**************************************************************************
      2  *
      3  * Copyright 2007-2008 VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 #ifndef U_ENDIAN_H
     28 #define U_ENDIAN_H
     29 
     30 #ifdef HAVE_ENDIAN_H
     31 #include <endian.h>
     32 
     33 #if __BYTE_ORDER == __LITTLE_ENDIAN
     34 # define PIPE_ARCH_LITTLE_ENDIAN
     35 #elif __BYTE_ORDER == __BIG_ENDIAN
     36 # define PIPE_ARCH_BIG_ENDIAN
     37 #endif
     38 
     39 #elif defined(__APPLE__)
     40 #include <machine/endian.h>
     41 
     42 #if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
     43 # define PIPE_ARCH_LITTLE_ENDIAN
     44 #elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
     45 # define PIPE_ARCH_BIG_ENDIAN
     46 #endif
     47 
     48 #elif defined(__sun)
     49 #include <sys/isa_defs.h>
     50 
     51 #if defined(_LITTLE_ENDIAN)
     52 # define PIPE_ARCH_LITTLE_ENDIAN
     53 #elif defined(_BIG_ENDIAN)
     54 # define PIPE_ARCH_BIG_ENDIAN
     55 #endif
     56 
     57 #elif defined(__OpenBSD__) || defined(__NetBSD__) || \
     58       defined(__FreeBSD__) || defined(__DragonFly__)
     59 #include <sys/types.h>
     60 #include <machine/endian.h>
     61 
     62 #if _BYTE_ORDER == _LITTLE_ENDIAN
     63 # define PIPE_ARCH_LITTLE_ENDIAN
     64 #elif _BYTE_ORDER == _BIG_ENDIAN
     65 # define PIPE_ARCH_BIG_ENDIAN
     66 #endif
     67 
     68 #elif defined(_MSC_VER)
     69 
     70 #define PIPE_ARCH_LITTLE_ENDIAN
     71 
     72 #endif
     73 
     74 #endif
     75