// Close calls tdb_close() on the C ctx pointer contained in DB struct,
// rendering it invalid in all other instances of the same path name (see New).
// Only on success does it return nil Error along with integer SUCCESS status.
// And here is trivially meaningless cgo signature of the original C function:
//
// func tdb_close() C.int
func (file DB) Close() Error {
dbg := file.db.dbg
if dbg {
println("tdb.Close()", file.String())
}
if file.db.cld {
if dbg {
println(" tdb.Close()", "db.ctx =", file.db.ctx)
}
return mkError(ERR_IO, "tdb.Close() already closed")
}
var status = int(C.tdb_close(file.db.ctx))
if dbg {
println(" tdb.Close()", "tdb_close() ->", status)
}
if status == SUCCESS {
file.db.cld = true
// for now, while testing let us hold on with that one
// file.db.ctx = nil // argh! this does not stack up!
return nil
}
// TODO: extract proper error string
return mkError(status, "tdb.Close() SUCCESS not")
}
func (db *TrailDB) Close() {
C.tdb_close(db.db)
}