Make 64bit fnv optional.
[m6w6/libmemcached] / libhashkit / has.cc
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36
37 #include <libhashkit/common.h>
38
39 bool libhashkit_has_algorithm(const hashkit_hash_algorithm_t algo)
40 {
41 switch (algo)
42 {
43 case HASHKIT_HASH_FNV1_64:
44 case HASHKIT_HASH_FNV1A_64:
45 #if __WORDSIZE == 64 && defined(HAVE_FNV64_HASH)
46 return true;
47 #else
48 return false;
49 #endif
50
51 case HASHKIT_HASH_HSIEH:
52 #ifdef HAVE_HSIEH_HASH
53 return true;
54 #else
55 return false;
56 #endif
57
58 case HASHKIT_HASH_MURMUR:
59 #ifdef HAVE_MURMUR_HASH
60 return true;
61 #else
62 return false;
63 #endif
64
65 case HASHKIT_HASH_FNV1_32:
66 case HASHKIT_HASH_FNV1A_32:
67 case HASHKIT_HASH_DEFAULT:
68 case HASHKIT_HASH_MD5:
69 case HASHKIT_HASH_CRC:
70 case HASHKIT_HASH_JENKINS:
71 case HASHKIT_HASH_CUSTOM:
72 return true;
73
74 case HASHKIT_HASH_MAX:
75 break;
76 }
77
78 return false;
79 }