156 				    char const * const artist,
168 				char const * const artist,
4173   new->artist = NULL;  in LIBMTP_new_track_t()
4209   if (track->artist != NULL)  in LIBMTP_destroy_track_t()
4210     free(track->artist);  in LIBMTP_destroy_track_t()
4239       track->artist = strdup(prop->propval.str);  in pick_property_to_track_metadata()
4241       track->artist = NULL;  in pick_property_to_track_metadata()
4349 	  track->artist = get_string_from_object(device, track->item_id, PTP_OPC_Artist);  in get_track_metadata()
5888 	  if (metadata->artist == NULL)
5894 	  prop->propval.str = strdup(metadata->artist);
6049 	  ret = set_object_string(device, metadata->item_id, PTP_OPC_Artist, metadata->artist);
7037 				    char const * const artist,  argument
7151 	  if (artist != NULL) {
7156 	    prop->propval.str = strdup(artist);
7160 	  if (artist != NULL) {
7165 	    prop->propval.str = strdup(artist);
7278 	  if (artist != NULL) {
7279 	    ret = set_object_string(device, *newid, PTP_OPC_AlbumArtist, artist);
7287 	  if (artist != NULL) {
7288 	    ret = set_object_string(device, *newid, PTP_OPC_Artist, artist);
7359 				char const * const artist,  argument
7407 	  if (artist != NULL) {
7412 	    prop->propval.str = strdup(artist);
7416 	  if (artist != NULL) {
7421 	    prop->propval.str = strdup(artist);
7487 	ret = set_object_string(device, objecthandle, PTP_OPC_AlbumArtist, artist);
7495 	ret = set_object_string(device, objecthandle, PTP_OPC_Artist, artist);
7673   new->artist = NULL;
7695   if (album->artist != NULL)
7696     free(album->artist);
7723       if (alb->artist != NULL)
7724 	free(alb->artist);
7725       alb->artist = strdup(prop->propval.str);
7727       alb->artist = NULL;
7732       if (alb->artist == NULL)
7733 	alb->artist = strdup(prop->propval.str);
7735       alb->artist = NULL;
7792 	  if (alb->artist != NULL)
7793 	    free(alb->artist);
7794 	  alb->artist = get_string_from_object(device, ob->oid, PTP_OPC_AlbumArtist);
7797 	  if (alb->artist == NULL)
7798 	    alb->artist = get_string_from_object(device, ob->oid, PTP_OPC_Artist);
7965 				  metadata->artist,
8352 			      metadata->artist,