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// Copyright 2016 Google Inc. All Rights Reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
#include <string>
#include "pcre2posix.h"
using std::string;
extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size) {
if (size < 1) return 0;
regex_t preg;
string str(reinterpret_cast<const char*>(data), size);
string pat(str);
int flags = data[size/2] - 'a'; // Make it 0 when the byte is 'a'.
if (0 == regcomp(&preg, pat.c_str(), flags)) {
regmatch_t pmatch[5];
regexec(&preg, str.c_str(), 5, pmatch, 0);
regfree(&preg);
}
return 0;
}