file.cc

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/*
 *
 *    Copyright (c) 2018,2022
 *      SMASH Team
 *
 *    GNU General Public License (GPLv3 or later)
 *
 */
 
#include "smash/file.h"
 
namespace smash {
 
FilePtr fopen(const std::filesystem::path& filename, const std::string& mode) {
  FilePtr f{std::fopen(filename.c_str(), mode.c_str())};
  return f;
}
 
RenamingFilePtr::RenamingFilePtr(const std::filesystem::path& filename,
                                 const std::string& mode) {
  filename_ = filename;
  filename_unfinished_ = filename;
  filename_unfinished_ += ".unfinished";
  file_ = std::fopen(filename_unfinished_.c_str(), mode.c_str());
}
 
FILE* RenamingFilePtr::get() { return file_; }
 
RenamingFilePtr::~RenamingFilePtr() {
  std::fclose(file_);
  // we rename the output file only if we are not unwinding the stack
  // because of an exception
  if (std::uncaught_exceptions() == uncaught_exceptions_) {
    std::filesystem::rename(filename_unfinished_, filename_);
  }
}
 
}  // namespace smash