* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.

static void doSetDictionary(JNIEnv *env, jlong addr, jbyte *buf, jint len)

    int res = deflateSetDictionary(jlong_to_ptr(addr), (Bytef *) buf, len);

JNIEXPORT void JNICALL

Java_java_util_zip_Deflater_setDictionary(JNIEnv *env, jclass cls, jlong addr,

                                          jbyteArray b, jint off, jint len)

{

    jbyte *buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);

    if (buf == NULL) /* out of memory */

        return;

    doSetDictionary(env, addr, buf + off, len);

    (*env)->ReleasePrimitiveArrayCritical(env, b, buf, 0);

}

JNIEXPORT void JNICALL

Java_java_util_zip_Deflater_setDictionaryBuffer(JNIEnv *env, jclass cls, jlong addr,

                                          jlong bufferAddr, jint len)

{

    jbyte *buf = jlong_to_ptr(bufferAddr);

    doSetDictionary(env, addr, buf, len);

}

static jlong doDeflate(JNIEnv *env, jobject this, jlong addr,

                       jbyte *input, jint inputLen,

                       jbyte *output, jint outputLen,

                       jint flush, jint params)

    jint inputUsed = 0, outputUsed = 0;

    int finished = 0;

    int setParams = params & 1;

    strm->next_in  = (Bytef *) input;

    strm->next_out = (Bytef *) output;

    strm->avail_in  = inputLen;

    strm->avail_out = outputLen;

    if (setParams) {

        int strategy = (params >> 1) & 3;

        int level = params >> 3;

        int res = deflateParams(strm, level, strategy);

            setParams = 0;

            /* fall through */

            inputUsed = inputLen - strm->avail_in;

            outputUsed = outputLen - strm->avail_out;

            break;

        int res = deflate(strm, flush);

            finished = 1;

            inputUsed = inputLen - strm->avail_in;

            outputUsed = outputLen - strm->avail_out;

            break;

    return ((jlong)inputUsed) | (((jlong)outputUsed) << 31) | (((jlong)finished) << 62) | (((jlong)setParams) << 63);

}

JNIEXPORT jlong JNICALL

Java_java_util_zip_Deflater_deflateBytesBytes(JNIEnv *env, jobject this, jlong addr,

                                         jbyteArray inputArray, jint inputOff, jint inputLen,

                                         jbyteArray outputArray, jint outputOff, jint outputLen,

                                         jint flush, jint params)

{

    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);

    jbyte *output;

    jlong retVal;

    if (input == NULL) {

        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)

            JNU_ThrowOutOfMemoryError(env, 0);

        return 0L;

    }

    output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);

    if (output == NULL) {

        (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);

        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)

            JNU_ThrowOutOfMemoryError(env, 0);

        return 0L;

    }

    retVal = doDeflate(env, this, addr,

            input + inputOff, inputLen,

            output + outputOff, outputLen,

            flush, params);

    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);

    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);

    return retVal;

}

JNIEXPORT jlong JNICALL

Java_java_util_zip_Deflater_deflateBytesBuffer(JNIEnv *env, jobject this, jlong addr,

                                         jbyteArray inputArray, jint inputOff, jint inputLen,

                                         jlong outputBuffer, jint outputLen,

                                         jint flush, jint params)

{

    jbyte *input = (*env)->GetPrimitiveArrayCritical(env, inputArray, 0);

    jbyte *output;

    jlong retVal;

    if (input == NULL) {

        if (inputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)

            JNU_ThrowOutOfMemoryError(env, 0);

        return 0L;

    }

    output = jlong_to_ptr(outputBuffer);

    retVal = doDeflate(env, this, addr,

            input + inputOff, inputLen,

            output, outputLen,

            flush, params);

    (*env)->ReleasePrimitiveArrayCritical(env, inputArray, input, 0);

    return retVal;

}

JNIEXPORT jlong JNICALL

Java_java_util_zip_Deflater_deflateBufferBytes(JNIEnv *env, jobject this, jlong addr,

                                         jlong inputBuffer, jint inputLen,

                                         jbyteArray outputArray, jint outputOff, jint outputLen,

                                         jint flush, jint params)

{

    jbyte *input = jlong_to_ptr(inputBuffer);

    jbyte *output = (*env)->GetPrimitiveArrayCritical(env, outputArray, 0);

    jlong retVal;

    if (output == NULL) {

        if (outputLen != 0 && (*env)->ExceptionOccurred(env) == NULL)

            JNU_ThrowOutOfMemoryError(env, 0);

        return 0L;

    }

    retVal = doDeflate(env, this, addr,

            input, inputLen,

            output + outputOff, outputLen,

            flush, params);

    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, input, 0);

    return retVal;

}

JNIEXPORT jlong JNICALL

Java_java_util_zip_Deflater_deflateBufferBuffer(JNIEnv *env, jobject this, jlong addr,

                                         jlong inputBuffer, jint inputLen,

                                         jlong outputBuffer, jint outputLen,

                                         jint flush, jint params)

{

    jbyte *input = jlong_to_ptr(inputBuffer);

    jbyte *output = jlong_to_ptr(outputBuffer);

    return doDeflate(env, this, addr,

            input, inputLen,

            output, outputLen,

            flush, params);