35 lines
1012 B
C++
35 lines
1012 B
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <folly/lang/CString.h>
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#include <algorithm>
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namespace folly {
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std::size_t
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strlcpy(char* const dest, char const* const src, std::size_t const size) {
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std::size_t const len = std::strlen(src);
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if (size != 0) {
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std::size_t const n = std::min(len, size - 1); // always null terminate!
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std::memcpy(dest, src, n);
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dest[n] = '\0';
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}
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return len;
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}
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} // namespace folly
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