platform_bionic/libc/private/FdPath.h

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/*
* Copyright (C) 2017 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.
*/
#pragma once
class FdPath {
public:
explicit FdPath(int fd) {
snprintf(buf, sizeof(buf), "/proc/self/fd/%d", fd);
}
const char* c_str() {
return buf;
}
private:
char buf[40];
};