/*

 * librdkafka - Apache Kafka C library

 *

 * Copyright (c) 2020-2022, Magnus Edenhill

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

/**

 * Fuzzer test case for the builtin regexp engine in src/regexp.c

 *

 * librdkafka must be built with --disable-regex-ext

 */

#include "rd.h"

#include <stdlib.h>

#include <string.h>

#include <stdio.h>

#include "regexp.h"

int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {

        /* wrap random data in a null-terminated string */

        char *null_terminated = malloc(size + 1);

        memcpy(null_terminated, data, size);

        null_terminated[size] = '\0';

        const char *error;

        Reprog *p = re_regcomp(null_terminated, 0, &error);

        if (p != NULL) {

                re_regfree(p);

        }

        /* cleanup */

        free(null_terminated);

        return 0;

}

#if WITH_MAIN

#include "helpers.h"

int main(int argc, char **argv) {

        int i;

        for (i = 1; i < argc; i++) {

                size_t size;

                uint8_t *buf = read_file(argv[i], &size);

                LLVMFuzzerTestOneInput(buf, size);

                free(buf);

        }

}

#endif