196 				    char const * const artist,
208 				char const * const artist,
4607   new->artist = NULL;  in LIBMTP_new_track_t()
4643   if (track->artist != NULL)  in LIBMTP_destroy_track_t()
4644     free(track->artist);  in LIBMTP_destroy_track_t()
4673       track->artist = strdup(prop->propval.str);  in pick_property_to_track_metadata()
4675       track->artist = NULL;  in pick_property_to_track_metadata()
4783 	  track->artist = get_string_from_object(device, track->item_id, PTP_OPC_Artist);  in get_track_metadata()
6456 	  if (metadata->artist == NULL)
6462 	  prop->propval.str = strdup(metadata->artist);
6617 	  ret = set_object_string(device, metadata->item_id, PTP_OPC_Artist, metadata->artist);
7653 				    char const * const artist,  argument
7773 	  if (artist != NULL) {
7778 	    prop->propval.str = strdup(artist);
7782 	  if (artist != NULL) {
7787 	    prop->propval.str = strdup(artist);
7906 	  if (artist != NULL) {
7907 	    ret = set_object_string(device, *newid, PTP_OPC_AlbumArtist, artist);
7915 	  if (artist != NULL) {
7916 	    ret = set_object_string(device, *newid, PTP_OPC_Artist, artist);
7987 				char const * const artist,  argument
8035 	  if (artist != NULL) {
8040 	    prop->propval.str = strdup(artist);
8044 	  if (artist != NULL) {
8049 	    prop->propval.str = strdup(artist);
8115 	ret = set_object_string(device, objecthandle, PTP_OPC_AlbumArtist, artist);
8123 	ret = set_object_string(device, objecthandle, PTP_OPC_Artist, artist);
8305   new->artist = NULL;
8327   if (album->artist != NULL)
8328     free(album->artist);
8355       if (alb->artist != NULL)
8356 	free(alb->artist);
8357       alb->artist = strdup(prop->propval.str);
8359       alb->artist = NULL;
8364       if (alb->artist == NULL)
8365 	alb->artist = strdup(prop->propval.str);
8367       alb->artist = NULL;
8424 	  if (alb->artist != NULL)
8425 	    free(alb->artist);
8426 	  alb->artist = get_string_from_object(device, ob->oid, PTP_OPC_AlbumArtist);
8429 	  if (alb->artist == NULL)
8430 	    alb->artist = get_string_from_object(device, ob->oid, PTP_OPC_Artist);
8620 				  metadata->artist,
9133 			      metadata->artist,