1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "ByteOrder"
18
19 #include "JNIHelp.h"
20 #include "JniConstants.h"
21
ByteOrder_isLittleEndian(JNIEnv *,jclass)22 static jboolean ByteOrder_isLittleEndian(JNIEnv*, jclass) {
23 int i = 1;
24 return *reinterpret_cast<jbyte*>(&i) == 1;
25 }
26
27 static JNINativeMethod gMethods[] = {
28 NATIVE_METHOD(ByteOrder, isLittleEndian, "!()Z"),
29 };
register_java_nio_ByteOrder(JNIEnv * env)30 void register_java_nio_ByteOrder(JNIEnv* env) {
31 jniRegisterNativeMethods(env, "java/nio/ByteOrder", gMethods, NELEM(gMethods));
32 }
33