/*******************************************************************************

 * Copyright (c) 2002, 2006 QNX Software Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     QNX Software Systems - initial API and implementation

 *     Wind River Systems, Inc.

 *******************************************************************************/

#include <jni.h>

#include <stdio.h>

#include <SpawnerInputStream.h>

#include <SpawnerOutputStream.h>

#include <unistd.h>

/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerInputStream */

/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerOutputStream */

/*

 * Class:     org_eclipse_cdt_utils_spawner_SpawnerInputStream

 * Method:    read0

 * Signature: (I)I

 */

JNIEXPORT jint JNICALL

Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_read0(JNIEnv * env,

                                                          jobject jobj,

                                                          jint jfd,

                                                          jbyteArray buf,

                                                          jint buf_len)

{

    int fd;

    int status;

    jbyte *data;

    int data_len;

    data = (*env)->GetByteArrayElements(env, buf, 0);

    data_len = buf_len;

    fd = jfd;

    status = read( fd, data, data_len );

    (*env)->ReleaseByteArrayElements(env, buf, data, 0);

    if (status == 0) {

        /* EOF. */

        status = -1;

    } else if (status == -1) {

        /* Error, toss an exception */

        jclass exception = (*env)->FindClass(env, "java/io/IOException");

        if (exception == NULL) {

            /* Give up.  */

            return -1;

        }

        (*env)->ThrowNew(env, exception, "read error");

    }

    return status;

}

/*

 * Class:     org_eclipse_cdt_utils_spawner_SpawnerInputStream

 * Method:    close0

 * Signature: (I)I

 */

JNIEXPORT jint JNICALL

Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_close0(JNIEnv * env,

                                                           jobject jobj,

                                                           jint fd)

{

    return close(fd);

}

/*

 * Class:     org_eclipse_cdt_utils_spawner_SpawnerOutputStream

 * Method:    write0

 * Signature: (II)I

 */

JNIEXPORT jint JNICALL

Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_write0(JNIEnv * env,

                                                            jobject jobj,

                                                            jint jfd,

                                                            jbyteArray buf,

                                                            jint buf_len)

{

    int status;

    int fd;

    jbyte *data;

    int data_len;

    data = (*env)->GetByteArrayElements(env, buf, 0);

    data_len = buf_len;

    fd = jfd;

    status = write(fd, data, data_len);

    (*env)->ReleaseByteArrayElements(env, buf, data, 0);

    return status;

}

/*

 * Class:     org_eclipse_cdt_utils_spawner_SpawnerOutputStream

 * Method:    close0

 * Signature: (I)I

 */

JNIEXPORT jint JNICALL

Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_close0(JNIEnv * env,

                                                            jobject jobj,

                                                            jint fd)

{

    return close(fd);

}