28 lines · cpp
1//===-- Implementation of wcpcpy ------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/wchar/wcpcpy.h"10 11#include "hdr/types/size_t.h"12#include "hdr/types/wchar_t.h"13#include "src/__support/common.h"14#include "src/__support/macros/config.h"15#include "src/string/string_utils.h"16 17namespace LIBC_NAMESPACE_DECL {18 19LLVM_LIBC_FUNCTION(wchar_t *, wcpcpy,20 (wchar_t *__restrict s1, const wchar_t *__restrict s2)) {21 size_t size = internal::string_length(s2);22 inline_memcpy(s1, s2, (size + 1) * sizeof(wchar_t));23 wchar_t *result = s1 + size;24 return result;25}26 27} // namespace LIBC_NAMESPACE_DECL28