gearman/libhashkit/has.cc

/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  HashKit library
 *
 *  Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
 *  Copyright (C) 2009 Brian Aker All rights reserved.
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#include <libhashkit/common.h>

bool libhashkit_has_algorithm(const hashkit_hash_algorithm_t algo)
{
  switch (algo)
  {
  case HASHKIT_HASH_FNV1_64:
  case HASHKIT_HASH_FNV1A_64:
#if __WORDSIZE == 64 && defined(HAVE_FNV64_HASH)
    return true;
#else
    return false;
#endif

  case HASHKIT_HASH_HSIEH:
#ifdef HAVE_HSIEH_HASH
    return true;
#else
    return false;
#endif

  case HASHKIT_HASH_MURMUR3:
  case HASHKIT_HASH_MURMUR:
#ifdef HAVE_MURMUR_HASH
    return true;
#else
    return false;
#endif

  case HASHKIT_HASH_FNV1_32:
  case HASHKIT_HASH_FNV1A_32:
  case HASHKIT_HASH_DEFAULT:
  case HASHKIT_HASH_MD5:
  case HASHKIT_HASH_CRC:
  case HASHKIT_HASH_JENKINS:
  case HASHKIT_HASH_CUSTOM:
    return true;

  case HASHKIT_HASH_MAX:
    break;
  }

  return false;
}