Source/cmWorkingDirectory.cxx

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #include "cmWorkingDirectory.h"
   4
   5 #include <cerrno>
   6
   7 #include "cmSystemTools.h"
   8
   9 cmWorkingDirectory::cmWorkingDirectory(std::string const& newdir)
  10 {
  11   this->OldDir = cmSystemTools::GetCurrentWorkingDirectory();
  12   this->SetDirectory(newdir);
  13 }
  14
  15 cmWorkingDirectory::~cmWorkingDirectory()
  16 {
  17   this->Pop();
  18 }
  19
  20 bool cmWorkingDirectory::SetDirectory(std::string const& newdir)
  21 {
  22   if (cmSystemTools::ChangeDirectory(newdir)) {
  23     this->ResultCode = 0;
  24     return true;
  25   }
  26   this->ResultCode = errno;
  27   return false;
  28 }
  29
  30 void cmWorkingDirectory::Pop()
  31 {
  32   if (!this->OldDir.empty()) {
  33     this->SetDirectory(this->OldDir);
  34     this->OldDir.clear();
  35   }
  36 }