1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 class FdPath {
20  public:
FdPath(int fd)21   explicit FdPath(int fd) {
22     snprintf(buf, sizeof(buf), "/proc/self/fd/%d", fd);
23   }
24 
c_str()25   const char* c_str() {
26     return buf;
27   }
28 
29  private:
30   char buf[40];
31 };
32