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rakshasa
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
// rak - Rakshasa's toolbox
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// Copyright (C) 2005-2007, Jari Sundell
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations
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// including the two.
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//
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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//
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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//
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// Skomakerveien 33
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// 3185 Skoppum, NORWAY
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#ifndef RAK_ERROR_NUMBER_H
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#define RAK_ERROR_NUMBER_H
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#include <cerrno>
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#include <cstring>
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namespace rak {
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class error_number {
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public:
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static const int e_access = EACCES;
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static const int e_again = EAGAIN;
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static const int e_connreset = ECONNRESET;
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static const int e_connaborted = ECONNABORTED;
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static const int e_deadlk = EDEADLK;
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static const int e_noent = ENOENT;
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static const int e_nodev = ENODEV;
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static const int e_nomem = ENOMEM;
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static const int e_notdir = ENOTDIR;
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static const int e_isdir = EISDIR;
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static const int e_intr = EINTR;
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error_number() : m_errno(0) {}
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error_number(int e) : m_errno(e) {}
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bool is_valid() const { return m_errno != 0; }
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int value() const { return m_errno; }
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const char* c_str() const { return std::strerror(m_errno); }
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bool is_blocked_momentary() const { return m_errno == e_again || m_errno == e_intr; }
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bool is_blocked_prolonged() const { return m_errno == e_deadlk; }
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bool is_closed() const { return m_errno == e_connreset || m_errno == e_connaborted; }
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bool is_bad_path() const { return m_errno == e_noent || m_errno == e_notdir || m_errno == e_access; }
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static error_number current() { return errno; }
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static void clear_global() { errno = 0; }
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static void set_global(error_number err) { errno = err.m_errno; }
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bool operator == (const error_number& e) const { return m_errno == e.m_errno; }
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private:
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int m_errno;
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};
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}
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#endif
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