archive_xxhash.h 1.8 KB

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  1. /*-
  2. * Copyright (c) 2014 Michihiro NAKAJIMA
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. *
  14. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17. * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. *
  25. */
  26. #ifndef __LIBARCHIVE_BUILD
  27. #error This header is only to be used internally to libarchive.
  28. #endif
  29. #ifndef ARCHIVE_XXHASH_H
  30. #define ARCHIVE_XXHASH_H
  31. typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
  32. struct archive_xxhash {
  33. unsigned int (*XXH32)(const void* input, unsigned int len,
  34. unsigned int seed);
  35. void* (*XXH32_init)(unsigned int seed);
  36. XXH_errorcode (*XXH32_update)(void* state, const void* input,
  37. unsigned int len);
  38. unsigned int (*XXH32_digest)(void* state);
  39. };
  40. extern const struct archive_xxhash __archive_xxhash;
  41. #endif