static PyObject *murmurHash(PyObject *self, PyObject *args){
const char *text;
int hash_len;
int seed;
unsigned int hash;
if (!PyArg_ParseTuple(args, "sii", &text, &hash_len, &seed))
return NULL;
hash = MurmurHashNeutral2(text, hash_len, seed);
return Py_BuildValue("i", hash);
}
ERL_NIF_TERM
erlang_murmurhashneutral2_1_impl(ErlNifEnv* env, int, const ERL_NIF_TERM argv[])
{
ErlNifBinary bin;
uint32_t h;
if (!check_and_unpack_data(env, argv[0], &bin)) {
return enif_make_badarg(env);
}
h = MurmurHashNeutral2(bin.data, bin.size, 0);
return enif_make_uint(env, h);
}
void ring_murmurhash_neutral2(void *pPointer)
{
char *key = NULL;
int keylen;
int seed = 0;
uint32_t out;
int ret_type = 0;
if (RING_API_PARACOUNT < 2 || RING_API_PARACOUNT > 3) {
RING_API_ERROR(RING_API_MISS2PARA);
return ;
}
if (!RING_API_ISSTRING(1)) {
RING_API_ERROR("murmurhash_neutral2 expects the first parameter to be a string");
return;
}
if (!RING_API_ISNUMBER(2)) {
RING_API_ERROR("murmurhash_neutral2 expects the first parameter to be an integer");
return;
}
key = RING_API_GETSTRING(1);
keylen = strlen(key);
seed = RING_API_GETNUMBER(2);
if (RING_API_PARACOUNT == 3) {
if (RING_API_ISNUMBER(3)) {
ret_type = RING_API_GETNUMBER(3);
if (!is_bool(ret_type)) {
RING_API_ERROR("Third parameter should be boolean value\n");
}
} else {
RING_API_ERROR("murmurhash_neutral2 expects the third parameter to be an integer\n");
}
}
out = MurmurHashNeutral2(key, keylen, seed);
MH_RETURN_INT(out, ret_type);
}
