package cmd

import (
	"bytes"
	"fmt"
	"syscall"
	"unsafe"
)

func direntNamlen(dirent *syscall.Dirent) (uint64, error) {
	const fixedHdr = uint16(unsafe.Offsetof(syscall.Dirent{}.Name))
	nameBuf := (*[unsafe.Sizeof(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]))
	const nameBufLen = uint16(len(nameBuf))
	limit := dirent.Reclen - fixedHdr
	if limit > nameBufLen {
		limit = nameBufLen
	}
	// Avoid bugs in long file names

     * Security Identifier (SID) structure for DCE/RPC.
     * Represents a Windows security identifier used in RPC operations.
     */
    public static class sid_t extends NdrObject {

        /**
         * Default constructor for sid_t.
         */
        public sid_t() {
            // Default constructor
        }

        /**
         * The revision level of the SID structure.
         */

     * Represents a Windows security identifier used for access control.
     */
    public static class sid_t extends NdrObject {

        /**
         * Default constructor for sid_t.
         */
        public sid_t() {
            // Default constructor
        }

        /** The revision level of the SID structure */
        public byte revision;

        public LsarDomainInfo() {
            // Default constructor
        }

        /** Domain name. */
        public rpc.unicode_string name;
        /** Domain security identifier. */
        public rpc.sid_t sid;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_short(name.length);
            _dst.enc_ndr_short(name.maximum_length);

        assertEquals(expectedSize, request.size());
    }

    @Test
    @DisplayName("Test size calculation with empty path")
    void testSizeWithEmptyPath() {
        request = new Smb2CreateRequest(mockConfig, "");

        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 56;
        expectedSize += 8; // size8(1) - empty name gets 1 byte
        expectedSize = ((expectedSize + 7) / 8) * 8; // size8(size)

                }
            }
        }
    }

    /**
     * Converts an RPC sid_t structure to a byte array.
     *
     * @param sid the RPC sid_t structure to convert
     * @return byte array representation of the SID
     */
    public static byte[] toByteArray(final rpc.sid_t sid) {
        final byte[] dst = new byte[1 + 1 + 6 + sid.sub_authority_count * 4];
        int di = 0;

     * @param sid the security identifier of the domain
     * @param domainHandle the domain handle to be populated
     */
    public MsrpcSamrOpenDomain(final SamrPolicyHandle handle, final int access, final rpc.sid_t sid, final SamrDomainHandle domainHandle) {
        super(handle, access, sid, domainHandle);
        ptype = 0;
        flags = DCERPC_FIRST_FRAG | DCERPC_LAST_FRAG;
    }

        return new Smb2LeaseBreakResponse(tc.getConfig());
    }

    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + STRUCTURE_SIZE);
    }

    @Override
    protected int writeBytesWireFormat(byte[] dst, int dstIndex) {
        int start = dstIndex;

        return new Smb2TreeDisconnectResponse(tc.getConfig());
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size() {
        return size8(Smb2Constants.SMB2_HEADER_LENGTH + 4);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */

    /**
     * Constructor that may alter behaviour of this listener.
     *
     * @param delegate The delegate that should run on single thread.
     * @param queueSize The event queue size (default {@code 1024}).
     * @param batchMaxSize The maximum batch size delegate should receive (default {@code 500}).
     * @param blockOnLastEvent Should this listener block on last transfer end (completed or corrupted) block? (default {@code true}).
     */