/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*  Fluent Bit

 *  ==========

 *  Copyright (C) 2015-2023 The Fluent Bit Authors

 *

 *  Licensed under the Apache License, Version 2.0 (the "License");

 *  you may not use this file except in compliance with the License.

 *  You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 *  Unless required by applicable law or agreed to in writing, software

 *  distributed under the License is distributed on an "AS IS" BASIS,

 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *  See the License for the specific language governing permissions and

 *  limitations under the License.

 */

#include <stdlib.h>

#include <stdint.h>

#include <fluent-bit/flb_mem.h>

#include <fluent-bit/flb_mp.h>

#include "flb_fuzz_header.h"

int LLVMFuzzerTestOneInput(unsigned char *data, size_t size)

{

    /* Set flb_malloc_mod to be fuzzer-data dependent */

    if (size < 5) {

        return 0;

    }

    flb_malloc_p = 0;

    flb_malloc_mod = *(int*)data;

    data += 4;

    size -= 4;

    /* Avoid division by zero for modulo operations */

    if (flb_malloc_mod == 0) {

        flb_malloc_mod = 1;

    }

    unsigned char decider = *data;

    data++;

    size--;

    int out_records;

    size_t processed_bytes;

    if (decider % 2 == 0) {

      flb_mp_validate_log_chunk(data, size, &out_records, &processed_bytes);

    }

    else if (decider % 2 == 1) {

        flb_mp_validate_metric_chunk(data, size, &out_records, &processed_bytes);

    }

    return 0;

}