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

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  HashKit library
   4  *
   5  *  Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
   6  *  Copyright (C) 2009 Brian Aker All rights reserved.
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  20  *      * The names of its contributors may not be used to endorse or
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  37
  38
  39 #include <libhashkit/common.h>
  40
  41 bool libhashkit_has_algorithm(const hashkit_hash_algorithm_t algo)
  42 {
  43   switch (algo)
  44   {
  45   case HASHKIT_HASH_FNV1_64:
  46   case HASHKIT_HASH_FNV1A_64:
  47 #if __WORDSIZE == 64 && defined(HAVE_FNV64_HASH)
  48     return true;
  49 #else
  50     return false;
  51 #endif
  52
  53   case HASHKIT_HASH_HSIEH:
  54 #ifdef HAVE_HSIEH_HASH
  55     return true;
  56 #else
  57     return false;
  58 #endif
  59
  60   case HASHKIT_HASH_MURMUR:
  61 #ifdef HAVE_MURMUR_HASH
  62     return true;
  63 #else
  64     return false;
  65 #endif
  66
  67   case HASHKIT_HASH_FNV1_32:
  68   case HASHKIT_HASH_FNV1A_32:
  69   case HASHKIT_HASH_DEFAULT:
  70   case HASHKIT_HASH_MD5:
  71   case HASHKIT_HASH_CRC:
  72   case HASHKIT_HASH_JENKINS:
  73   case HASHKIT_HASH_CUSTOM:
  74     return true;
  75
  76   case HASHKIT_HASH_MAX:
  77     break;
  78   }
  79
  80   return false;
  81 }