1 // Copyright 2015 Google Inc. All rights reserved 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef FILEUTIL_H_ 16 #define FILEUTIL_H_ 17 18 #include <errno.h> 19 20 #include <memory> 21 #include <string> 22 #include <unordered_map> 23 #include <vector> 24 25 #include "string_piece.h" 26 27 using namespace std; 28 29 bool Exists(StringPiece f); 30 double GetTimestampFromStat(const struct stat& st); 31 double GetTimestamp(StringPiece f); 32 33 enum struct RedirectStderr { 34 NONE, 35 STDOUT, 36 DEV_NULL, 37 }; 38 39 int RunCommand(const string& shell, const string& shellflag, 40 const string& cmd, RedirectStderr redirect_stderr, 41 string* out); 42 43 void GetExecutablePath(string* path); 44 45 void Glob(const char* pat, vector<string>** files); 46 47 const unordered_map<string, vector<string>*>& GetAllGlobCache(); 48 49 void ClearGlobCache(); 50 51 #define HANDLE_EINTR(x) ({ \ 52 int r; \ 53 do { \ 54 r = (x); \ 55 } while (r == -1 && errno == EINTR); \ 56 r; \ 57 }) 58 59 #endif // FILEUTIL_H_ 60
