mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 20:13:05 +02:00
78 lines
2.4 KiB
C++
78 lines
2.4 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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#pragma once
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#include <fcntl.h> // Definition of AT_* constants */
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#include <sys/stat.h>
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#include <cstdint> // for std::uint64_t
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#include <cerrno>
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#include <string>
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#include <openvpn/common/platform.hpp>
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namespace openvpn {
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#if defined(OPENVPN_PLATFORM_LINUX)
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inline int update_file_mod_time_nanoseconds(const std::string& filename,
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const std::uint64_t nanoseconds_since_epooch)
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{
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struct timespec times[2];
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times[0].tv_sec = nanoseconds_since_epooch / std::uint64_t(1000000000);
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times[0].tv_nsec = nanoseconds_since_epooch % std::uint64_t(1000000000);
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times[1] = times[0];
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if (::utimensat(AT_FDCWD, filename.c_str(), times, 0) == -1)
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return errno;
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return 0;
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}
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inline int update_file_mod_time_nanoseconds(const int fd,
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const std::uint64_t nanoseconds_since_epooch)
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{
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struct timespec times[2];
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times[0].tv_sec = nanoseconds_since_epooch / std::uint64_t(1000000000);
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times[0].tv_nsec = nanoseconds_since_epooch % std::uint64_t(1000000000);
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times[1] = times[0];
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if (::futimens(fd, times) == -1)
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return errno;
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return 0;
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}
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#else
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inline int update_file_mod_time_nanoseconds(const std::string& filename,
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const std::uint64_t nanoseconds_since_epooch)
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{
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return 0;
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}
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inline int update_file_mod_time_nanoseconds(const int fd,
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const std::uint64_t nanoseconds_since_epooch)
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{
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return 0;
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}
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#endif
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}
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