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

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   2  *
   3  *  HashKit library
   4  *
   5  *  Copyright (C) 2010-2012 Data Differential, http://datadifferential.com/
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  36
  37
  38 #include <libhashkit/common.h>
  39
  40 uint32_t hashkit_digest(const hashkit_st *self, const char *key, size_t key_length)
  41 {
  42   return self->base_hash.function(key, key_length, self->base_hash.context);
  43 }
  44
  45 uint32_t libhashkit_digest(const char *key, size_t key_length, hashkit_hash_algorithm_t hash_algorithm)
  46 {
  47   switch (hash_algorithm)
  48   {
  49   case HASHKIT_HASH_DEFAULT:
  50     return libhashkit_one_at_a_time(key, key_length);
  51   case HASHKIT_HASH_MD5:
  52     return libhashkit_md5(key, key_length);
  53   case HASHKIT_HASH_CRC:
  54     return libhashkit_crc32(key, key_length);
  55   case HASHKIT_HASH_FNV1_64:
  56     return libhashkit_fnv1_64(key, key_length);
  57   case HASHKIT_HASH_FNV1A_64:
  58     return libhashkit_fnv1a_64(key, key_length);
  59   case HASHKIT_HASH_FNV1_32:
  60     return libhashkit_fnv1_32(key, key_length);
  61   case HASHKIT_HASH_FNV1A_32:
  62     return libhashkit_fnv1a_32(key, key_length);
  63   case HASHKIT_HASH_HSIEH:
  64 #ifdef HAVE_HSIEH_HASH
  65     return libhashkit_hsieh(key, key_length);
  66 #else
  67     return 1;
  68 #endif
  69   case HASHKIT_HASH_MURMUR3:
  70     return libhashkit_murmur3(key, key_length);
  71
  72   case HASHKIT_HASH_MURMUR:
  73 #ifdef HAVE_MURMUR_HASH
  74     return libhashkit_murmur(key, key_length);
  75 #else
  76     return 1;
  77 #endif
  78   case HASHKIT_HASH_JENKINS:
  79     return libhashkit_jenkins(key, key_length);
  80   case HASHKIT_HASH_CUSTOM:
  81   case HASHKIT_HASH_MAX:
  82   default:
  83     if (DEBUG)
  84     {
  85       fprintf(stderr, "hashkit_hash_t was extended but libhashkit_generate_value was not updated\n");
  86       fflush(stderr);
  87       assert(0);
  88     }
  89     break;
  90   }
  91
  92   return 1;
  93 }