58      m_status(NO_ERROR),  in BackupDataWriter()
85     return NO_ERROR;  in write_padding_for()
91     if (m_status != NO_ERROR) {  in WriteEntityHeader()
148     if (m_status != NO_ERROR) {  in WriteEntityData()
161     return NO_ERROR;  in WriteEntityData()
174      m_status(NO_ERROR),  in BackupDataReader()
208         if (err != NO_ERROR) { \
219     if (m_status != NO_ERROR) {  in ReadNextHeader()
228         return NO_ERROR;  in ReadNextHeader()
230     else if (amt != NO_ERROR) {  in ReadNextHeader()
236         return NO_ERROR;  in ReadNextHeader()
286     return m_status == NO_ERROR && m_header.type == BACKUP_HEADER_ENTITY_V1;  in HasEntities()
292     if (m_status != NO_ERROR) {  in ReadEntityHeader()
300     return NO_ERROR;  in ReadEntityHeader()
306     if (m_status != NO_ERROR) {  in SkipEntityData()
319     return NO_ERROR;  in SkipEntityData()
325     if (m_status != NO_ERROR) {  in ReadEntityData()
364     return NO_ERROR;  in skip_padding()