*cp = 0;
snprintf(ext,len,"-%s.udvd",track_title);
FILE *fp = fopen(filename, "w");
+ if( !fp ) {
+ eprintf(_("Unable to open %s:\n%m"), filename);
+ continue;
+ }
int64_t start = 0;
for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
SEdit *sedit = (SEdit *)edit;