mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
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86cc97e55f
git-subtree-dir: Sources/OpenVPN3 git-subtree-split: 0a6e0b6e542c2d19de1f416c4caccd899d72831a
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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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 Affero General Public License Version 3
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// as published by the Free Software Foundation.
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_COMMON_STRERROR_H
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#define OPENVPN_COMMON_STRERROR_H
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#include <string.h>
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#include <string>
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#include <errno.h>
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namespace openvpn {
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inline std::string strerror_str(const int errnum)
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{
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static const char unknown_err[] = "UNKNOWN_SYSTEM_ERROR";
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char buf[128];
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#if defined(__GLIBC__) && (!defined(__USE_XOPEN2K) || defined(__USE_GNU))
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// GNU
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const char *errstr = ::strerror_r(errnum, buf, sizeof(buf));
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if (errstr)
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return std::string(errstr);
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#else
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// POSIX
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if (::strerror_r(errnum, buf, sizeof(buf)) == 0)
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return std::string(buf);
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#endif
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return std::string(unknown_err);
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}
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}
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#endif
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