android_hardware_samsung/exynos4/interfaces/livedisplay/1.0/src/Utils.cpp

75 lines
1.7 KiB
C++

/*
** Copyright 2016, The CyanogenMod Project
** 2017-2018, The LineageOS Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "Utils.h"
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fstream>
#include <string>
#include <cutils/sockets.h>
namespace vendor {
namespace lineage {
namespace livedisplay {
namespace V1_0 {
namespace implementation {
using ::android::NO_INIT;
using ::android::OK;
using ::android::status_t;
status_t Utils::readInt(const char* node, int32_t* value) {
std::string buf;
status_t ret = OK;
std::ifstream fin(node);
if (!fin.good()) {
return errno;
}
fin >> *value;
if (fin.fail()) {
ret = errno;
}
fin.close();
return ret;
}
status_t Utils::writeInt(const char* node, int32_t value) {
status_t ret = OK;
std::ofstream fout(node);
if (!fout.good()) {
return errno;
}
fout << value << std::endl;
if (fout.fail()) {
ret = errno;
}
fout.close();
return ret;
}
} // namespace implementation
} // namespace V1_0
} // namespace livedisplay
} // namespace lineage
} // namespace vendor