// Returns the data associated with a given key, or nil if the key is not
// present in the database.
func (d *Database) Fetch(key []byte) (value []byte) {
dkey := toDatum(key)
dval := C.gdbm_fetch(d.dbf, dkey)
if dval.dptr != nil {
defer C.free(unsafe.Pointer(dval.dptr))
value = C.GoBytes(unsafe.Pointer(dval.dptr), dval.dsize)
}
return
}
func (d *gdbm) Get(keydata []byte) ([]byte, error) {
key := toDatum(keydata)
value := C.gdbm_fetch(d.dbf, key)
if value.dptr == nil {
return nil, nil
}
data := fromDatum(value)
return data, nil
}
// Fetches the value of the given key. If the key is not in the database, an
// error will be returned in err. Otherwise, value will be the value string
// that is keyed by `key`.
func (db *Database) Fetch(key string) (value string, err error) {
kcs := C.CString(key)
k := C.mk_datum(kcs)
defer C.free(unsafe.Pointer(kcs))
vdatum := C.gdbm_fetch(db.dbf, k)
if vdatum.dptr == nil {
return "", lastError()
}
value = C.GoStringN(vdatum.dptr, vdatum.dsize)
defer C.free(unsafe.Pointer(vdatum.dptr))
return value, nil
}