423ba098bd
Turn on -Wall -Werror in packages/. Fix warnings. Change-Id: I4ec7256a7df46017e1895575719f2b5aca978bd0
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "DefContainer-JNI"
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#include <JNIHelp.h>
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#include <diskusage/dirsize.h>
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#include <utils/Log.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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namespace android {
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static jlong native_measureDirectory(JNIEnv* env, jobject /* clazz */, jstring directory) {
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jlong ret = 0L;
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const char* path = env->GetStringUTFChars(directory, NULL);
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if (path == NULL) {
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return ret;
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}
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int dirfd = open(path, O_DIRECTORY, O_RDONLY);
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if (dirfd < 0) {
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ALOGI("error opening: %s: %s", path, strerror(errno));
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} else {
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ret = calculate_dir_size(dirfd);
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close(dirfd);
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}
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env->ReleaseStringUTFChars(directory, path);
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return ret;
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}
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static const JNINativeMethod g_methods[] = {
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{ "native_measureDirectory", "(Ljava/lang/String;)J", (void*)native_measureDirectory },
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};
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int register_com_android_defcontainer(JNIEnv *env) {
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if (jniRegisterNativeMethods(
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env, "com/android/defcontainer/MeasurementUtils", g_methods, NELEM(g_methods)) < 0) {
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return JNI_ERR;
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}
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return JNI_VERSION_1_6;
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}
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} // namespace android
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int JNI_OnLoad(JavaVM *jvm, void* /* reserved */) {
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JNIEnv *env;
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if (jvm->GetEnv((void**)&env, JNI_VERSION_1_6)) {
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return JNI_ERR;
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}
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return android::register_com_android_defcontainer(env);
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}
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