Apache Mesos
access.hpp
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1 // Licensed under the Apache License, Version 2.0 (the "License");
2 // you may not use this file except in compliance with the License.
3 // You may obtain a copy of the License at
4 //
5 // http://www.apache.org/licenses/LICENSE-2.0
6 //
7 // Unless required by applicable law or agreed to in writing, software
8 // distributed under the License is distributed on an "AS IS" BASIS,
9 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 // See the License for the specific language governing permissions and
11 // limitations under the License.
12 
13 #ifndef __STOUT_OS_ACCESS_HPP__
14 #define __STOUT_OS_ACCESS_HPP__
15 
16 #include <string>
17 
18 #include <stout/error.hpp>
19 #include <stout/try.hpp>
20 
21 #ifdef __WINDOWS__
22 #include <stout/windows.hpp>
24 #endif // __WINDOWS__
25 
26 namespace os {
27 
28 inline Try<bool> access(const std::string& path, int how)
29 {
30  int result;
31 
32 #ifdef __WINDOWS__
33  std::wstring longpath = ::internal::windows::longpath(path);
34  result = ::_waccess(longpath.data(), how);
35 #else
36  result = ::access(path.data(), how);
37 #endif
38 
39  if (result < 0) {
40  if (errno == EACCES) {
41  return false;
42  } else {
43  return ErrnoError();
44  }
45  }
46 
47  return true;
48 }
49 
50 } // namespace os {
51 
52 #endif // __STOUT_OS_ACCESS_HPP__
Definition: path.hpp:26
Definition: check.hpp:33
Definition: errorbase.hpp:49
Definition: posix_signalhandler.hpp:23
Try< bool > access(const std::string &path, int how)
Definition: access.hpp:28
std::wstring longpath(const std::string &path)
Definition: longpath.hpp:38