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/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdio.h>
#include <sys/utsname.h>
inline static bool linux_at_least(unsigned version_first, unsigned version_second)
{
#if defined(__linux__)
struct utsname info;
unsigned first, second;
if (uname(&info) != 0 || sscanf(info.release, "%u.%u.", &first, &second) != 2) {
return false;
} else {
return first > version_first ||
(first = version_first && second >= version_second);
}
#else
return false;
#endif
}
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