// text length calculate
int msg_calculate_text_length(msg_handle_t handle, const char* msg_text, msg_encode_type_t msg_encode_type, unsigned int *text_size, unsigned int *segment_size);
+int msg_util_calculate_text_length(const char* msg_text, msg_encode_type_t msg_encode_type_to, unsigned int *text_size, unsigned int *segment_size, msg_encode_type_t *msg_encode_type_in);
#ifdef __cplusplus
}