/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <folly/lang/CString.h>
#include <algorithm>
namespace folly {
std::size_t
strlcpy(char* const dest, char const* const src, std::size_t const size) {
std::size_t const len = std::strlen(src);
if (size != 0) {
std::size_t const n = std::min(len, size - 1); // always null terminate!
std::memcpy(dest, src, n);
dest[n] = '\0';
}
return len;
} // namespace folly