ext/tdb/hash_functions.c

   1 #include "rbtdb.h"
   2
   3 #define HASH_FN(fn) \
   4 static VALUE fn(VALUE self,VALUE str) \
   5 { \
   6         TDB_DATA data; \
   7         StringValue(str); \
   8         data.dptr = (unsigned char *)RSTRING_PTR(str); \
   9         data.dsize = RSTRING_LEN(str); \
  10         return UINT2NUM(rbtdb_##fn(&data)); \
  11 }
  12
  13 HASH_FN(siphash24)
  14 HASH_FN(murmur1)
  15 HASH_FN(murmur1_aligned)
  16 HASH_FN(murmur2)
  17 HASH_FN(murmur2a)
  18 HASH_FN(murmur2_neutral)
  19 HASH_FN(murmur2_aligned)
  20 HASH_FN(murmur3a)
  21 HASH_FN(murmur3f)
  22 HASH_FN(fnv1a)
  23 HASH_FN(djb2)
  24 HASH_FN(djb3)
  25 HASH_FN(jenkins_lookup3)
  26
  27 #define HASH_M(fn) rb_define_method(mHashFunctions, "tdb_hash_"#fn, fn, 1)
  28 void rbtdb_init_tdb_hash_functions(void)
  29 {
  30         VALUE cTDB = rb_const_get(rb_cObject, rb_intern("TDB"));
  31         VALUE mHashFunctions = rb_define_module_under(cTDB, "HashFunctions");
  32
  33         HASH_M(siphash24);
  34         HASH_M(murmur1);
  35         HASH_M(murmur1_aligned);
  36         HASH_M(murmur2);
  37         HASH_M(murmur2a);
  38         HASH_M(murmur2_neutral);
  39         HASH_M(murmur2_aligned);
  40         HASH_M(murmur3a);
  41         HASH_M(murmur3f);
  42         HASH_M(fnv1a);
  43         HASH_M(djb2);
  44         HASH_M(djb3);
  45         HASH_M(jenkins_lookup3);
  46 }