llvm-project

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//===-- Implementation of strnlen------------------------------------------===//
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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/strnlen.h"
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#include "src/string/string_utils.h"
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#include "src/__support/common.h"
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#include <stddef.h>
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namespace LIBC_NAMESPACE {
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LLVM_LIBC_FUNCTION(size_t, strnlen, (const char *src, size_t n)) {
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  const void *temp = internal::find_first_character(
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      reinterpret_cast<const unsigned char *>(src), '\0', n);
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  return temp ? reinterpret_cast<const char *>(temp) - src : n;
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}
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} // namespace LIBC_NAMESPACE
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