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  1. // Copyright 2010 Google Inc. All Rights Reserved.
  2. //
  3. // Use of this source code is governed by a BSD-style license
  4. // that can be found in the COPYING file in the root of the source
  5. // tree. An additional intellectual property rights grant can be found
  6. // in the file PATENTS. All contributing project authors may
  7. // be found in the AUTHORS file in the root of the source tree.
  8. // -----------------------------------------------------------------------------
  9. //
  10. //  Common types
  11. //
  12. // Author: Skal (pascal.massimino@gmail.com)
  13.  
  14. #ifndef WEBP_WEBP_TYPES_H_
  15. #define WEBP_WEBP_TYPES_H_
  16.  
  17. #include <stddef.h>  // for size_t
  18.  
  19. #ifndef _MSC_VER
  20. #include <inttypes.h>
  21. #if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \
  22.     (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
  23. #define WEBP_INLINE inline
  24. #else
  25. #define WEBP_INLINE
  26. #endif
  27. #else
  28. typedef signed   char int8_t;
  29. typedef unsigned char uint8_t;
  30. typedef signed   short int16_t;
  31. typedef unsigned short uint16_t;
  32. typedef signed   int int32_t;
  33. typedef unsigned int uint32_t;
  34. typedef unsigned long long int uint64_t;
  35. typedef long long int int64_t;
  36. #define WEBP_INLINE __forceinline
  37. #endif  /* _MSC_VER */
  38.  
  39. #ifndef WEBP_EXTERN
  40. // This explicitly marks library functions and allows for changing the
  41. // signature for e.g., Windows DLL builds.
  42. # if defined(__GNUC__) && __GNUC__ >= 4
  43. #  define WEBP_EXTERN(type) extern __attribute__ ((visibility ("default"))) type
  44. # else
  45. #  define WEBP_EXTERN(type) extern type
  46. # endif  /* __GNUC__ >= 4 */
  47. #endif  /* WEBP_EXTERN */
  48.  
  49. // Macro to check ABI compatibility (same major revision number)
  50. #define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8))
  51.  
  52. #endif  /* WEBP_WEBP_TYPES_H_ */
  53.