// 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#ifndef RAK_ERROR_NUMBER_H#define RAK_ERROR_NUMBER_H#include <cerrno>#include <cstring>namespace rak {class error_number {public:  static const int e_access      = EACCES;  static const int e_again       = EAGAIN;  static const int e_connreset   = ECONNRESET;  static const int e_connaborted = ECONNABORTED;  static const int e_deadlk      = EDEADLK;  static const int e_noent       = ENOENT;  static const int e_nomem       = ENOMEM;  static const int e_notdir      = ENOTDIR;    static const int e_intr        = EINTR;  error_number() : m_errno(0) {}  error_number(int e) : m_errno(e) {}  bool                is_valid() const             { return m_errno != 0; }  int                 value() const                { return m_errno; }  const char*         c_str() const                { return strerror(m_errno); }  bool                is_blocked_momentary() const { return m_errno == e_again || m_errno == e_intr; }  bool                is_blocked_prolonged() const { return m_errno == e_deadlk; }  bool                is_closed() const            { return m_errno == e_connreset || m_errno == e_connaborted; }  bool                is_bad_path() const          { return m_errno == e_noent || m_errno == e_notdir || m_errno == e_access; }  static error_number current()                    { return errno; }  static void         clear_global()               { errno = 0; }  bool operator == (const error_number& e) const   { return m_errno == e.m_errno; }private:  int                 m_errno;};}#endif