57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* Copyright (C) 2021 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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#include "common/libs/utils/shared_fd_flag.h"
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#include <unistd.h>
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#include <functional>
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#include <limits>
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#include <memory>
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#include <ostream>
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#include <string>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include "common/libs/fs/shared_fd.h"
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#include "common/libs/utils/flag_parser.h"
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namespace cuttlefish {
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static bool Set(const FlagMatch& match, SharedFD& out) {
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int raw_fd;
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if (!android::base::ParseInt(match.value.c_str(), &raw_fd)) {
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LOG(ERROR) << "Failed to parse value \"" << match.value
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<< "\" for fd flag \"" << match.key << "\"";
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return false;
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}
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out = SharedFD::Dup(raw_fd);
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if (out->IsOpen()) {
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close(raw_fd);
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}
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return true;
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}
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Flag SharedFDFlag(SharedFD& out) {
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return Flag().Setter([&](const FlagMatch& mat) { return Set(mat, out); });
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}
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Flag SharedFDFlag(const std::string& name, SharedFD& out) {
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return GflagsCompatFlag(name).Setter(
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[&out](const FlagMatch& mat) { return Set(mat, out); });
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}
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} // namespace cuttlefish
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