/**
* Generate a hash for a string.
*
* @param string the string to hash
* @return a string hash
*/
static unsigned file_set_make_hash(const char* string)
{
unsigned hash;
if(rhash_msg(RHASH_CRC32, string, strlen(string), (unsigned char*)&hash) < 0)
return 0;
return hash;
}
/*
* Class: org_sf_rhash_Bindings
* Method: rhash_msg
* Signature: (I[BII)J
*/
JNIEXPORT jlong JNICALL Java_org_sf_rhash_Bindings_rhash_1msg
(JNIEnv *env, jclass clz, jint hash_id, jbyteArray buf, jint ofs, jint len) {
// reading data
void* msg = malloc(len);
(*env)->GetByteArrayRegion(env, buf, ofs, len, msg);
// creating and populating Digest
Digest obj = malloc(sizeof(DigestStruct));
obj->hash_len = rhash_get_digest_size(hash_id);
obj->hash_data = calloc(obj->hash_len, sizeof(unsigned char));
rhash_msg(hash_id, msg, len, obj->hash_data);
//cleaning
free(msg);
//returning
return TO_JLONG(obj);
}
