fx.collections: hashtable: fix index calculation issues

fx.collections/hashtable.c

@@ -68,9 +68,14 @@ static fx_status convert_key_to_index(
 		return status;
 	}
 
-	size_t index = hash % table_size, i = 1;
+	size_t base_index = hash % table_size;
+	size_t index = base_index, i = 0;
 	bool index_found = false;
-	while (table[index].i_item && i <= table_size) {
+	while (i <= table_size) {
+		if (!table[index].i_item) {
+			goto skip;
+		}
+
 		const struct fx_hashtable_item_p *item = fx_object_get_private(
 			table[index].i_item,
 			FX_TYPE_HASHTABLE_ITEM);
@@ -80,7 +85,8 @@ static fx_status convert_key_to_index(
 			break;
 		}
 
-		index = (index + (i * i)) % table_size;
+	skip:
+		index = (base_index + (i * i)) % table_size;
 		i++;
 	}
 
@@ -108,7 +114,7 @@ static fx_status allocate_index_for_key(
 	size_t index = hash % table_size;
 	bool ok = false;
 
-	for (size_t i = 1; i < table_size; i++) {
+	for (size_t i = 0; i < table_size; i++) {
 		if (!table[index].i_item) {
 			ok = true;
 			break;