// Check if given error corresponds to too many open files
func isSysErrTooManyFiles(err error) bool {
	return errors.Is(err, syscall.ENFILE) || errors.Is(err, syscall.EMFILE)
}

func osIsNotExist(err error) bool {
	return errors.Is(err, os.ErrNotExist)
}

func osIsPermission(err error) bool {
	return errors.Is(err, os.ErrPermission) || errors.Is(err, syscall.EROFS)
}

func osIsExist(err error) bool {

}

func isAllVolumeNotFound(errs []error) bool {
	return countErrs(errs, errVolumeNotFound) == len(errs)
}

// isAllNotFound will return if any element of the error slice is not
// errFileNotFound, errFileVersionNotFound or errVolumeNotFound.
// A 0 length slice will always return false.
func isAllNotFound(errs []error) bool {
	for _, err := range errs {
		if err != nil {
			switch err.Error() {

		writeQuorum: quorum,
		errs:        make([]error, len(writers)),
	}

	for {
		var blocks [][]byte
		n, err := io.ReadFull(src, buf)
		if err != nil {
			if !IsErrIgnored(err, []error{
				io.EOF,
				io.ErrUnexpectedEOF,
			}...) {
				return 0, err
			}
		}

		eof := err == io.EOF || err == io.ErrUnexpectedEOF
		if n == 0 && total != 0 {
			// Reached EOF, nothing more to be done.
			break
		}

// maximal values would occur quorum or more number of times.
func reduceErrs(errs []error, ignoredErrs []error) (maxCount int, maxErr error) {
	errorCounts := make(map[error]int)
	for _, err := range errs {
		if IsErrIgnored(err, ignoredErrs...) {
			continue
		}
		// Errors due to context cancellation may be wrapped - group them by context.Canceled.
		if errors.Is(err, context.Canceled) {
			errorCounts[context.Canceled]++
			continue

		client := client
		g.Go(func() error {
			if client == nil {
				return errPeerOffline
			}
			res, err := client.HealBucket(ctx, bucket, opts)
			if err != nil {
				return err
			}
			healBucketResults[idx] = res
			return nil
		}, idx)
	}

	errs = g.Wait()

	for poolIdx := 0; poolIdx < sys.poolsCount; poolIdx++ {
		perPoolErrs := make([]error, 0, len(sys.peerClients))

pkg crypto/x509, func ParseOID(string) (OID, error) #66249
pkg crypto/x509, method (*OID) UnmarshalBinary([]uint8) error #66249
pkg crypto/x509, method (*OID) UnmarshalText([]uint8) error #66249
pkg crypto/x509, method (OID) MarshalBinary() ([]uint8, error) #66249
pkg crypto/x509, method (OID) MarshalText() ([]uint8, error) #66249
pkg debug/elf, const PT_OPENBSD_NOBTCFI = 1705237480 #66054

	tgts := make([]*http.Target, 0)
	newWebhooks := make([]Target, 0)
	for _, cfg := range cfgs {
		if cfg.Enabled {
			t, err := http.New(cfg)
			if err != nil {
				errs = append(errs, err)
			}
			tgts = append(tgts, t)
			newWebhooks = append(newWebhooks, t)
		}
	}

	oldTargets, others := splitTargets(targetsList.get(), types.TargetHTTP)

	respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)
	defer xhttp.DrainBody(respBody)
	if err != nil {
		if contextCanceled(ctx) {
			err = ctx.Err()
		}
		for i := range errs {
			errs[i] = err
		}
		return errs
	}

	reader, err := waitForHTTPResponse(respBody)
	if err != nil {
		for i := range errs {
			errs[i] = toStorageErr(err)
		}
		return errs
	}

		if err := discard(tr.r, tr.curr.physicalRemaining()); err != nil {
			return nil, err
		}
		if _, err := tryReadFull(tr.r, tr.blk[:tr.pad]); err != nil {
			return nil, err
		}
		tr.pad = 0

		hdr, rawHdr, err := tr.readHeader()
		if err != nil {
			return nil, err
		}
		if err := tr.handleRegularFile(hdr); err != nil {
			return nil, err
		}
		format.mayOnlyBe(hdr.Format)

	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.MakeVol(ctx, volume)
}

func (d *naughtyDisk) ListVols(ctx context.Context) (vols []VolInfo, err error) {
	if err := d.calcError(); err != nil {
		return nil, err
	}
	return d.disk.ListVols(ctx)
}

func (d *naughtyDisk) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {