Function ExpandPath

tensorflow/tools/graph_transforms/transform_graph.cc:135–181

}

std::string ExpandPath(const std::string& path_string) {
#if defined(PLATFORM_WINDOWS)
  return path_string;
#else
  if (path_string.empty() || path_string[0] != '~') {
    return path_string;
  }

  const char* home = nullptr;
  std::string::size_type prefix = path_string.find_first_of('/');
  if (path_string.length() == 1 || prefix == 1) {
    // The value of $HOME, e.g., ~/foo
    home = getenv("HOME");
    if (!home) {
      // If HOME is not available, get uid
      struct passwd* pw = getpwuid(getuid());
      if (pw) {
        home = pw->pw_dir;
      }
    }
  } else {
    // The value of ~user, e.g., ~user/foo
    std::string user(path_string, 1, (prefix == std::string::npos)
                                         ? std::string::npos
                                         : prefix - 1);
    struct passwd* pw = getpwnam(user.c_str());
    if (pw) {
      home = pw->pw_dir;
    }
  }

  if (!home) {
    return path_string;
  }

  string path(home);
  if (prefix == std::string::npos) {
    return path;
  }

  if (path.length() == 0 || path[path.length() - 1] != '/') {
    path += '/';
  }
  path += path_string.substr(prefix + 1);
  return path;
#endif
}

int ParseFlagsAndTransformGraph(int argc, char* argv[], bool init_main) {
  string in_graph_string = "";