// rak - Rakshasa's toolbox// Copyright (C) 2005-2006, Jari Sundell//// This program is free software; you can redistribute it and/or modify// it under the terms of the GNU General Public License as published by// the Free Software Foundation; either version 2 of the License, or// (at your option) any later version.// // This program is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU General Public License for more details.// // You should have received a copy of the GNU General Public License// along with this program; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA//// In addition, as a special exception, the copyright holders give// permission to link the code of portions of this program with the// OpenSSL library under certain conditions as described in each// individual source file, and distribute linked combinations// including the two.//// You must obey the GNU General Public License in all respects for// all of the code used other than OpenSSL.  If you modify file(s)// with this exception, you may extend this exception to your version// of the file(s), but you are not obligated to do so.  If you do not// wish to do so, delete this exception statement from your version.// If you delete this exception statement from all source files in the// program, then also delete it here.//// Contact:  Jari Sundell <jaris@ifi.uio.no>////           Skomakerveien 33//           3185 Skoppum, NORWAY// Various functions for manipulating file paths. Also consider making// a directory iterator.#ifndef RAK_PATH_H#define RAK_PATH_H#include <cstdlib>#include <string>namespace rak {inline std::stringpath_expand(const std::string& path) {  if (path.empty() || path[0] != '~')    return path;  char* home = std::getenv("HOME");  if (home == NULL)    return path;    return home + path.substr(1);}}#endif