llvm-project

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//===-- Implementation of strcat ------------------------------------------===//
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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/string/strcat.h"
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#include "src/string/strcpy.h"
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#include "src/string/string_utils.h"
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#include "src/__support/common.h"
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namespace LIBC_NAMESPACE {
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LLVM_LIBC_FUNCTION(char *, strcat,
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                   (char *__restrict dest, const char *__restrict src)) {
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  size_t dest_length = internal::string_length(dest);
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  size_t src_length = internal::string_length(src);
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  LIBC_NAMESPACE::strcpy(dest + dest_length, src);
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  dest[dest_length + src_length] = '\0';
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  return dest;
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}
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} // namespace LIBC_NAMESPACE
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