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

        SMBUtil.writeInt2(25, dst, dstIndex);

        dst[dstIndex + 2] = (byte) (this.sessionBinding ? 0x1 : 0);
        dst[dstIndex + 3] = (byte) this.securityMode;
        dstIndex += 4;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        byte[] dst = new byte[10];

        // writeSetupWireFormat writes 4 bytes:
        // - subCommand byte
        // - 3 zero bytes (padding and no FID)
        int written = pipe.writeSetupWireFormat(dst, 0);

        assertEquals(4, written, "Setup should write 4 bytes");
        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, dst[0], "First byte should be subCommand");

    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        writeInt2(informationLevel, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00;
        dstIndex++;

        byte[] dst = new byte[100];
        int result = response.writeSetupWireFormat(dst, 10);
        assertEquals(0, result);
    }

    @Test
    void testWriteParametersWireFormat() {
        // Test that writeParametersWireFormat returns 0
        byte[] dst = new byte[100];
        int result = response.writeParametersWireFormat(dst, 20);
        assertEquals(0, result);
    }

            @Override
            int writeSetupWireFormat(byte[] dst, int dstIndex) {
                return 0;
            }

            @Override
            int writeParametersWireFormat(byte[] dst, int dstIndex) {
                return 0;
            }

            @Override
            int writeDataWireFormat(byte[] dst, int dstIndex) {
                return 0;
            }

    int writeParameterWordsWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        writeInt2(fid, dst, dstIndex);
        dstIndex += 2;
        writeInt4(offset, dst, dstIndex);
        dstIndex += 4;
        writeInt2(maxCount, dst, dstIndex);
        dstIndex += 2;
        writeInt2(minCount, dst, dstIndex);
        dstIndex += 2;
        writeInt4(openTimeout, dst, dstIndex);
        dstIndex += 4;

    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(33, dst, dstIndex);
        dst[dstIndex + 2] = this.fileInformationClass;
        dst[dstIndex + 3] = this.queryFlags;
        dstIndex += 4;
        SMBUtil.writeInt4(this.fileIndex, dst, dstIndex);
        dstIndex += 4;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

                System.arraycopy(this.password, 0, dst, dstIndex, this.passwordLength);
                dstIndex += this.passwordLength;
            }
        } else {
            // no password in tree connect
            dst[dstIndex++] = (byte) 0x00;
        }
        dstIndex += writeString(this.path, dst, dstIndex);
        try {
            System.arraycopy(this.service.getBytes("ASCII"), 0, dst, dstIndex, this.service.length());

        dstIndex += 4;
        writeInt8(allocationSize, dst, dstIndex);
        dstIndex += 8;
        writeInt4(extFileAttributes, dst, dstIndex);
        dstIndex += 4;
        writeInt4(shareAccess, dst, dstIndex);
        dstIndex += 4;
        writeInt4(createDisposition, dst, dstIndex);
        dstIndex += 4;
        writeInt4(createOptions, dst, dstIndex);
        dstIndex += 4;

package ioutil

import (
	"io"
	"os"
)

// AppendFile - appends the file "src" to the file "dst"
func AppendFile(dst string, src string, osync bool) error {
	flags := os.O_WRONLY | os.O_APPEND | os.O_CREATE
	if osync {
		flags |= os.O_SYNC
	}
	appendFile, err := os.OpenFile(dst, flags, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := os.Open(src)