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/*
* Copyright (C) 2023 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.
*/
#include "fd.h"
namespace android {
static void CloseFd(const int *fd) {
if (fd != nullptr) {
if (*fd >= 0)
close(*fd);
// NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
delete fd;
}
}
auto MakeUniqueFd(int fd) -> UniqueFd {
if (fd < 0)
return {nullptr, CloseFd};
return {new int(fd), CloseFd};
}
auto MakeSharedFd(int fd) -> SharedFd {
if (fd < 0)
return {};
return {new int(fd), CloseFd};
}
auto DupFd(SharedFd const &fd) -> int {
if (!fd)
return -1;
return fcntl(*fd, F_DUPFD_CLOEXEC, 0);
}
} // namespace android
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