llvm-project

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//===-- Implementation of strstr ------------------------------------------===//
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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/strstr.h"
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#include "src/__support/common.h"
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#include "src/string/memory_utils/inline_strstr.h"
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namespace LIBC_NAMESPACE {
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// TODO: This is a simple brute force implementation. This can be
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// improved upon using well known string matching algorithms.
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LLVM_LIBC_FUNCTION(char *, strstr, (const char *haystack, const char *needle)) {
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  auto comp = [](char l, char r) -> int { return l - r; };
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  return inline_strstr(haystack, needle, comp);
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}
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} // namespace LIBC_NAMESPACE
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