Atmosphere-libs/libstratosphere/include/stratosphere/ddsf/impl/ddsf_for_each.hpp

53 lines
1.6 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
namespace ams::ddsf::impl {
template<typename Lock, typename List, typename F>
inline Result ForEach(Lock &lock, List &list, F f, bool return_on_fail) {
std::scoped_lock lk(lock);
Result result = ResultSuccess();
for (auto && it : list) {
if (const auto cur_result = f(std::addressof(it)); R_FAILED(cur_result)) {
if (return_on_fail) {
R_RETURN(cur_result);
} else if (R_SUCCEEDED(result)) {
result = cur_result;
}
}
}
R_RETURN(result);
}
template<typename List, typename F, typename Lock>
inline int ForEach(Lock &lock, List &list, F f) {
std::scoped_lock lk(lock);
int success_count = 0;
for (auto && it : list) {
if (!f(it)) {
return success_count;
}
++success_count;
}
return success_count;
}
}