Function Index_Clone

src/index/index.c:305–341

clone index

// clone index
Index Index_Clone
(
	const Index idx  // index to clone
) {
	ASSERT(idx != NULL);
	ASSERT(Index_Enabled(idx));

	//--------------------------------------------------------------------------
	// clone index
	//--------------------------------------------------------------------------

	Index clone = rm_malloc(sizeof(_Index));
	memcpy(clone, idx, sizeof(_Index));

	clone->rsIdx           = NULL;
	clone->label           = rm_strdup(idx->label);
	clone->pending_changes = ATOMIC_VAR_INIT(0);
	
	if(clone->stopwords != NULL) {
		array_clone_with_cb(clone->stopwords, idx->stopwords, rm_strdup);
	}

	//--------------------------------------------------------------------------
	// clone index fields
	//--------------------------------------------------------------------------

	int n = array_len(idx->fields);
	clone->fields = array_new(IndexField, 1);
	for(int i = 0; i < n; i++) {
		IndexField _f;
		IndexField *f = idx->fields + i;
		IndexField_New(&_f, f->id, f->name, f->weight, f->nostem, f->phonetic);
		array_append(clone->fields, _f);
	}

	return clone;
}

// returns number of pending changes
int Index_PendingChanges