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/*
* Copyright (C) 2020 The Android Open Source 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.
*/
#define LOG_TAG "installd"
#include "execv_helper.h"
#include <stdlib.h>
#include <unistd.h>
#include <string>
#include <android-base/logging.h>
#include <android-base/properties.h>
namespace android {
namespace installd {
// Store a placeholder for the binary name.
ExecVHelper::ExecVHelper() : args_(1u, std::string()) {}
ExecVHelper::~ExecVHelper() {}
void ExecVHelper::PrepareArgs(const std::string& bin) {
CHECK(!args_.empty());
CHECK(args_[0].empty());
args_[0] = bin;
// Write char* into array.
for (const std::string& arg : args_) {
argv_.push_back(arg.c_str());
}
argv_.push_back(nullptr); // Add null terminator.
}
void ExecVHelper::Exec(int exit_code) {
execv(argv_[0], (char * const *)&argv_[0]);
PLOG(ERROR) << "execv(" << argv_[0] << ") failed";
exit(exit_code);
}
void ExecVHelper::AddArg(const std::string& arg) {
if (!arg.empty()) {
args_.push_back(arg);
}
}
void ExecVHelper::AddRuntimeArg(const std::string& arg) {
if (!arg.empty()) {
args_.push_back("--runtime-arg");
args_.push_back(arg);
}
}
} // namespace installd
} // namespace android
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