git.m6w6.name Git - awesomized/libmemcached/blob - libhashkit/digest.cc

   1 /* HashKit
   2  * Copyright (C) 2010 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  */
   8
   9 #include <libhashkit/common.h>
  10
  11 uint32_t hashkit_digest(const hashkit_st *self, const char *key, size_t key_length)
  12 {
  13   return self->base_hash.function(key, key_length, self->base_hash.context);
  14 }
  15
  16 uint32_t libhashkit_digest(const char *key, size_t key_length, hashkit_hash_algorithm_t hash_algorithm)
  17 {
  18   switch (hash_algorithm)
  19   {
  20   case HASHKIT_HASH_DEFAULT:
  21     return libhashkit_one_at_a_time(key, key_length);
  22   case HASHKIT_HASH_MD5:
  23     return libhashkit_md5(key, key_length);
  24   case HASHKIT_HASH_CRC:
  25     return libhashkit_crc32(key, key_length);
  26   case HASHKIT_HASH_FNV1_64:
  27     return libhashkit_fnv1_64(key, key_length);
  28   case HASHKIT_HASH_FNV1A_64:
  29     return libhashkit_fnv1a_64(key, key_length);
  30   case HASHKIT_HASH_FNV1_32:
  31     return libhashkit_fnv1_32(key, key_length);
  32   case HASHKIT_HASH_FNV1A_32:
  33     return libhashkit_fnv1a_32(key, key_length);
  34   case HASHKIT_HASH_HSIEH:
  35 #ifdef HAVE_HSIEH_HASH
  36     return libhashkit_hsieh(key, key_length);
  37 #else
  38     return 1;
  39 #endif
  40   case HASHKIT_HASH_MURMUR:
  41 #ifdef HAVE_MURMUR_HASH
  42     return libhashkit_murmur(key, key_length);
  43 #else
  44     return 1;
  45 #endif
  46   case HASHKIT_HASH_JENKINS:
  47     return libhashkit_jenkins(key, key_length);
  48   case HASHKIT_HASH_CUSTOM:
  49   case HASHKIT_HASH_MAX:
  50   default:
  51     if (DEBUG)
  52     {
  53       fprintf(stderr, "hashkit_hash_t was extended but libhashkit_generate_value was not updated\n");
  54       fflush(stderr);
  55       assert(0);
  56     }
  57     break;
  58   }
  59
  60   return 1;
  61 }