t->root = (struct int_node *) xcalloc(1, sizeof(struct int_node));
t->first_non_note = NULL;
t->prev_non_note = NULL;
- t->ref = notes_ref ? xstrdup(notes_ref) : NULL;
+ t->ref = xstrdup_or_null(notes_ref);
t->combine_notes = combine_notes;
t->initialized = 1;
t->dirty = 0;
if (!sha1)
return;
- if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen ||
- type != OBJ_BLOB) {
+ if (!(msg = read_sha1_file(sha1, &type, &msglen)) || type != OBJ_BLOB) {
free(msg);
return;
}