func (kc *KCDB) Open(filename string, mode int) (err error) { name := C.CString(filename) defer C.free(unsafe.Pointer(name)) if C.kcdbopen(kc.db, name, C.uint32_t(mode)) == 0 { err = kc.error() } return }
func OpenKcDb(dbFile string) (*KcDb, error) { db := new(KcDb) cdb := C.kcdbnew() cDbFile := C.CString(dbFile + "#type=kch#opts=c#zcomp=lzma#msiz=536870912") defer C.free(unsafe.Pointer(cDbFile)) if C.kcdbopen(cdb, cDbFile, C.KCOWRITER|C.KCOCREATE|C.KCOTRYLOCK) == kcFalse { errCode := C.kcdbecode(cdb) return nil, errors.New(fmt.Sprintf("open: %s", C.GoString(C.kcecodename(errCode)))) } db.cdb = cdb return db, nil }
// Open opens a database. // // There are constants for the modes: READ and WRITE. // // READ indicates read-only access to the database, and WRITE indicates read // and write access to the database (there is no write-only mode). func Open(dbfilepath string, mode int) (*DB, error) { d := &DB{db: C.kcdbnew(), mode: mode, Path: dbfilepath} dbname := C.CString(dbfilepath) defer C.free(unsafe.Pointer(dbname)) cMode := C.uint32_t(C.KCOREADER) if mode > READ { cMode = C.KCOWRITER | C.KCOCREATE } if C.kcdbopen(d.db, dbname, cMode) == 0 { errMsg := d.LastError() return nil, KCError(fmt.Sprintf("Error opening %s: %s", dbfilepath, errMsg)) } return d, nil }