90     if (metadata == NULL) {  in check_size()
153             return NULL;  in get_entry_at_index()
161             return NULL;  in get_entry_at_index()
172             return NULL;  in get_entry_at_index()
196     if (metadata_buf == NULL) {  in radio_metadata_allocate()
220     if (metadata == NULL || *metadata == NULL || type != RADIO_METADATA_TYPE_INT) {  in radio_metadata_add_int()
232     if (metadata == NULL || *metadata == NULL || type != RADIO_METADATA_TYPE_TEXT ||  in radio_metadata_add_text()
233             value == NULL || strlen(value) >= RADIO_METADATA_TEXT_LEN_MAX) {  in radio_metadata_add_text()
245     if (metadata == NULL || *metadata == NULL || type != RADIO_METADATA_TYPE_RAW || value == NULL) {  in radio_metadata_add_raw()
255     if (metadata == NULL || *metadata == NULL || type != RADIO_METADATA_TYPE_CLOCK ||  in radio_metadata_add_clock()
256         clock == NULL || clock->timezone_offset_in_minutes < (-12 * 60) ||  in radio_metadata_add_clock()
272     if (dst_metadata == NULL || src_metadata == NULL) {  in radio_metadata_add_metadata()
275     if (*dst_metadata == NULL) {  in radio_metadata_add_metadata()
309     if (metadata_buf == NULL) {  in radio_metadata_check()
331         if (entry == NULL) {  in radio_metadata_check()
356     if (metadata_buf == NULL) {  in radio_metadata_get_size()
367     if (metadata_buf == NULL) {  in radio_metadata_get_count()
384     if (metadata_buf == NULL || key == NULL || type == NULL ||  in radio_metadata_get_at_index()
385             value == NULL || size == NULL) {  in radio_metadata_get_at_index()
408     radio_metadata_entry_t *entry = NULL;  in radio_metadata_get_from_key()
412     if (metadata_buf == NULL || type == NULL || value == NULL || size == NULL) {  in radio_metadata_get_from_key()
419     for (count = 0; count < metadata_buf->count; entry = NULL, count++) {  in radio_metadata_get_from_key()
425     if (entry == NULL) {  in radio_metadata_get_from_key()
441     if (metadata_buf == NULL || channel == NULL || sub_channel == NULL) {  in radio_metadata_get_channel()