0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A#include "jni.h"
0N/A#include "jni_util.h"
0N/A#include "jvm.h"
0N/A#include "nio.h"
0N/A#include "nio_util.h"
0N/A#include "sun_nio_ch_FileKey.h"
0N/A
0N/Astatic jfieldID key_volumeSN; /* id for FileKey.dwVolumeSerialNumber */
0N/Astatic jfieldID key_indexHigh; /* id for FileKey.nFileIndexHigh */
0N/Astatic jfieldID key_indexLow; /* id for FileKey.nFileIndexLow */
0N/A
0N/A
0N/AJNIEXPORT void JNICALL
0N/AJava_sun_nio_ch_FileKey_initIDs(JNIEnv *env, jclass clazz)
0N/A{
0N/A key_volumeSN = (*env)->GetFieldID(env, clazz, "dwVolumeSerialNumber", "J");
0N/A key_indexHigh = (*env)->GetFieldID(env, clazz, "nFileIndexHigh", "J");
0N/A key_indexLow = (*env)->GetFieldID(env, clazz, "nFileIndexLow", "J");
0N/A}
0N/A
0N/A
0N/AJNIEXPORT void JNICALL
0N/AJava_sun_nio_ch_FileKey_init(JNIEnv *env, jobject this, jobject fdo)
0N/A{
0N/A HANDLE fileHandle = (HANDLE)(handleval(env, fdo));
0N/A BOOL result;
0N/A BY_HANDLE_FILE_INFORMATION fileInfo;
0N/A
0N/A result = GetFileInformationByHandle(fileHandle, &fileInfo);
0N/A if (result) {
0N/A (*env)->SetLongField(env, this, key_volumeSN, fileInfo.dwVolumeSerialNumber);
0N/A (*env)->SetLongField(env, this, key_indexHigh, fileInfo.nFileIndexHigh);
0N/A (*env)->SetLongField(env, this, key_indexLow, fileInfo.nFileIndexLow);
0N/A } else {
0N/A JNU_ThrowIOExceptionWithLastError(env, "GetFileInformationByHandle failed");
0N/A }
0N/A}