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/*
Copyright 2021 Gabriel Jensen
This file is part of dux.
dux is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your
option) any later version.
dux 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 Affero General Public
License for more details.
You should have received a copy of the GNU Affero General Public License
along with dux. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <dux/sys>
auto ::dux::getenv(char const * const dux_restr _env) -> char const * {
if (auto const envval = ::std::getenv(_env);envval == nullptr) [[unlikely]] {
throw ::dux::runerr("Environment variable does not exist!");
}
else {
return envval;
}
}
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