9422abf9eb
Implemented wcsncat and tests. --------- Co-authored-by: Sriya Pratipati <sriyap@google.com>
32 lines
1003 B
C++
32 lines
1003 B
C++
//===-- Implementation of wcsncat -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/wchar/wcsncat.h"
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#include "hdr/types/size_t.h"
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#include "hdr/types/wchar_t.h"
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#include "src/__support/common.h"
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#include "src/__support/macros/config.h"
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#include "src/string/string_utils.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(wchar_t *, wcsncat,
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(wchar_t *__restrict s1, const wchar_t *__restrict s2,
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size_t n)) {
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size_t size = internal::string_length(s1);
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size_t i = 0;
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for (; s2[i] && i < n; ++i)
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s1[size + i] = s2[i];
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// Appending null character to the end of the result.
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s1[size + i] = L'\0';
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return s1;
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}
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} // namespace LIBC_NAMESPACE_DECL
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