Ejemplo n.º 1
0
// sp_close closes the pointer and sets it to nil
// to ensure it cannot be closed twice.
func sp_close(p *unsafe.Pointer) error {
	if nil == *p {
		return nil
	}
	if 0 != C.sp_destroy(*p) {
		return sp_error(*p)
	}
	*p = nil
	return nil
}
Ejemplo n.º 2
0
// Get retrieves the value for the key.
func (db *Database) Get(key []byte) ([]byte, error) {
	var vptr unsafe.Pointer
	var size C.size_t

	e := C.sp_get(db.Pointer, unsafe.Pointer(&key[0]), C.size_t(len(key)), &vptr, (*C.size_t)(&size))
	switch int(e) {
	case -1:
		return nil, db.Error()
	case 0:
		return nil, ErrNotFound
	case 1:
		// Continue after the switch
	default:
		return nil, fmt.Errorf("ERROR: unexpected return value from sp_get: %v", e)
	}
	value := C.GoBytes(vptr, C.int(size))
	C.sp_destroy(vptr)
	return value, nil
}