30 lines · cpp
1//===-- Implementation of wcscat ------------------------------------------===//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/wcscat.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 *, wcscat,20 (wchar_t *__restrict s1, const wchar_t *__restrict s2)) {21 size_t size_1 = internal::string_length(s1);22 size_t i = 0;23 for (; s2[i] != L'\0'; i++)24 s1[size_1 + i] = s2[i];25 s1[size_1 + i] = L'\0';26 return s1;27}28 29} // namespace LIBC_NAMESPACE_DECL30