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python
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opencv
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3rdparty
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zlib-ng
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zendian.h

zendian.h 1.7 KB
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  1. /* zendian.h -- define BYTE_ORDER for endian tests
    2. 

  2.  * For conditions of distribution and use, see copyright notice in zlib.h
    3. 

  3.  */
    4. 

  4. 

  5. #ifndef ENDIAN_H_
    6. 

  6. #define ENDIAN_H_
    7. 

  7. 

  8. /* First check whether the compiler knows the target __BYTE_ORDER__. */
    9. 

  9. #if defined(__BYTE_ORDER__)
    10. 

  10. #  if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
    11. 

  11. #    if !defined(LITTLE_ENDIAN)
    12. 

  12. #      define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
    13. 

  13. #    endif
    14. 

  14. #    if !defined(BYTE_ORDER)
    15. 

  15. #      define BYTE_ORDER LITTLE_ENDIAN
    16. 

  16. #    endif
    17. 

  17. #  elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
    18. 

  18. #    if !defined(BIG_ENDIAN)
    19. 

  19. #      define BIG_ENDIAN __ORDER_BIG_ENDIAN__
    20. 

  20. #    endif
    21. 

  21. #    if !defined(BYTE_ORDER)
    22. 

  22. #      define BYTE_ORDER BIG_ENDIAN
    23. 

  23. #    endif
    24. 

  24. #  endif
    25. 

  25. #elif defined(__MINGW32__)
    26. 

  26. #  include <sys/param.h>
    27. 

  27. #elif defined(_WIN32)
    28. 

  28. #  define LITTLE_ENDIAN 1234
    29. 

  29. #  define BIG_ENDIAN 4321
    30. 

  30. #  if defined(_M_IX86) || defined(_M_AMD64) || defined(_M_IA64) || defined (_M_ARM) || defined (_M_ARM64) || defined (_M_ARM64EC)
    31. 

  31. #    define BYTE_ORDER LITTLE_ENDIAN
    32. 

  32. #  else
    33. 

  33. #    error Unknown endianness!
    34. 

  34. #  endif
    35. 

  35. #elif defined(__linux__)
    36. 

  36. #  include <endian.h>
    37. 

  37. #elif defined(__APPLE__)
    38. 

  38. #  include <machine/endian.h>
    39. 

  39. #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__) || defined(__DragonFly__)
    40. 

  40. #  include <sys/endian.h>
    41. 

  41. #elif defined(__sun) || defined(sun)
    42. 

  42. #  include <sys/byteorder.h>
    43. 

  43. #  if !defined(LITTLE_ENDIAN)
    44. 

  44. #    define LITTLE_ENDIAN 4321
    45. 

  45. #   endif
    46. 

  46. #  if !defined(BIG_ENDIAN)
    47. 

  47. #    define BIG_ENDIAN 1234
    48. 

  48. #  endif
    49. 

  49. #  if !defined(BYTE_ORDER)
    50. 

  50. #    if defined(_BIG_ENDIAN)
    51. 

  51. #      define BYTE_ORDER BIG_ENDIAN
    52. 

  52. #    else
    53. 

  53. #      define BYTE_ORDER LITTLE_ENDIAN
    54. 

  54. #    endif
    55. 

  55. #  endif
    56. 

  56. #else
    57. 

  57. #  include <endian.h>
    58. 

  58. #endif
    59. 

  59. 

  60. #endif
    61.