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library/repos/trowaSoft/lib/oscpack/osc/OscHostEndianness.h

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  1. /*

  2. 	oscpack -- Open Sound Control (OSC) packet manipulation library

  3.     http://www.rossbencina.com/code/oscpack

  4. 

  5.     Copyright (c) 2004-2013 Ross Bencina <rossb@audiomulch.com>

  6. 

  7. 	Permission is hereby granted, free of charge, to any person obtaining

  8. 	a copy of this software and associated documentation files

  9. 	(the "Software"), to deal in the Software without restriction,

  10. 	including without limitation the rights to use, copy, modify, merge,

  11. 	publish, distribute, sublicense, and/or sell copies of the Software,

  12. 	and to permit persons to whom the Software is furnished to do so,

  13. 	subject to the following conditions:

  14. 

  15. 	The above copyright notice and this permission notice shall be

  16. 	included in all copies or substantial portions of the Software.

  17. 

  18. 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

  19. 	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

  20. 	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

  21. 	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR

  22. 	ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF

  23. 	CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

  24. 	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

  25. */

  26. 

  27. /*

  28. 	The text above constitutes the entire oscpack license; however, 

  29. 	the oscpack developer(s) also make the following non-binding requests:

  30. 

  31. 	Any person wishing to distribute modifications to the Software is

  32. 	requested to send the modifications to the original developer so that

  33. 	they can be incorporated into the canonical version. It is also 

  34. 	requested that these non-binding requests be included whenever the

  35. 	above license is reproduced.

  36. */

  37. #ifndef INCLUDED_OSCPACK_OSCHOSTENDIANNESS_H

  38. #define INCLUDED_OSCPACK_OSCHOSTENDIANNESS_H

  39. 

  40. /*

  41.     Make sure either OSC_HOST_LITTLE_ENDIAN or OSC_HOST_BIG_ENDIAN is defined

  42. 

  43.     We try to use preprocessor symbols to deduce the host endianness.

  44. 

  45.     Alternatively you can define one of the above symbols from the command line.

  46.     Usually you do this with the -D flag to the compiler. e.g.:

  47. 

  48.     $ g++ -DOSC_HOST_LITTLE_ENDIAN ...

  49. */

  50. 

  51. #if defined(OSC_HOST_LITTLE_ENDIAN) || defined(OSC_HOST_BIG_ENDIAN)

  52. 

  53. // endianness defined on the command line. nothing to do here.

  54. 

  55. #elif defined(__WIN32__) || defined(WIN32) || defined(WINCE)

  56. 

  57. // assume that __WIN32__ is only defined on little endian systems

  58. 

  59. #define OSC_HOST_LITTLE_ENDIAN 1

  60. #undef OSC_HOST_BIG_ENDIAN

  61. 

  62. #elif defined(__APPLE__)

  63. 

  64. #if defined(__LITTLE_ENDIAN__)

  65. 

  66. #define OSC_HOST_LITTLE_ENDIAN 1

  67. #undef OSC_HOST_BIG_ENDIAN

  68. 

  69. #elif defined(__BIG_ENDIAN__)

  70. 

  71. #define OSC_HOST_BIG_ENDIAN 1

  72. #undef OSC_HOST_LITTLE_ENDIAN

  73. 

  74. #endif

  75. 

  76. #elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_BIG_ENDIAN__)

  77. 

  78. // should cover gcc and clang

  79. 

  80. #if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)

  81. 

  82. #define OSC_HOST_LITTLE_ENDIAN 1

  83. #undef OSC_HOST_BIG_ENDIAN

  84. 

  85. #elif (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)

  86. 

  87. #define OSC_HOST_BIG_ENDIAN 1

  88. #undef OSC_HOST_LITTLE_ENDIAN

  89. 

  90. #endif

  91. 

  92. #else

  93. 

  94. // gcc defines __LITTLE_ENDIAN__ and __BIG_ENDIAN__

  95. // for others used here see http://sourceforge.net/p/predef/wiki/Endianness/

  96. #if (defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) \

  97.     || (defined(__ARMEL__) && !defined(__ARMEB__)) \

  98.     || (defined(__AARCH64EL__) && !defined(__AARCH64EB__)) \

  99.     || (defined(_MIPSEL) && !defined(_MIPSEB)) \

  100.     || (defined(__MIPSEL) && !defined(__MIPSEB)) \

  101.     || (defined(__MIPSEL__) && !defined(__MIPSEB__))

  102. 

  103. #define OSC_HOST_LITTLE_ENDIAN 1

  104. #undef OSC_HOST_BIG_ENDIAN

  105. 

  106. #elif (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)) \

  107.     || (defined(__ARMEB__) && !defined(__ARMEL__)) \

  108.     || (defined(__AARCH64EB__) && !defined(__AARCH64EL__)) \

  109.     || (defined(_MIPSEB) && !defined(_MIPSEL)) \

  110.     || (defined(__MIPSEB) && !defined(__MIPSEL)) \

  111.     || (defined(__MIPSEB__) && !defined(__MIPSEL__))

  112. 

  113. #define OSC_HOST_BIG_ENDIAN 1

  114. #undef OSC_HOST_LITTLE_ENDIAN

  115. 

  116. #endif

  117. 

  118. #endif

  119. 

  120. #if !defined(OSC_HOST_LITTLE_ENDIAN) && !defined(OSC_HOST_BIG_ENDIAN)

  121. 

  122. #error please edit OSCHostEndianness.h or define one of {OSC_HOST_LITTLE_ENDIAN, OSC_HOST_BIG_ENDIAN} to configure endianness

  123. 

  124. #endif

  125. 

  126. #endif /* INCLUDED_OSCPACK_OSCHOSTENDIANNESS_H */