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Atmosphere/libraries/libvapours/include/vapours/util/util_string_util.hpp

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/*
* Copyright (c) 2018-2020 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/common.hpp>
#include <vapours/assert.hpp>
namespace ams::util {
template<typename T>
constexpr int Strlcpy(T *dst, const T *src, int count) {
AMS_ASSERT(dst != nullptr);
AMS_ASSERT(src != nullptr);
const T *cur = src;
if (count > 0) {
while ((--count) && *cur) {
*(dst++) = *(cur++);
}
*dst = 0;
}
while (*cur) {
cur++;
}
return static_cast<int>(cur - src);
}
}