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