/*

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 * All rights reserved.

 *

 * This source code is licensed under both the BSD-style license (found in the

 * LICENSE file in the root directory of this source tree) and the GPLv2 (found

 * in the COPYING file in the root directory of this source tree).

 * You may select, at your option, one of the above-listed licenses.

 */

#include "fuzz_helpers.h"

#include <stddef.h>

#include <stdlib.h>

#include <string.h>

void* FUZZ_malloc(size_t size)

{

    if (size > 0) {

        void* const mem = malloc(size);

        FUZZ_ASSERT(mem);

        return mem;

    }

    return NULL;

}

void* FUZZ_malloc_rand(size_t size, FUZZ_dataProducer_t *producer)

{

    if (size > 0) {

        void* const mem = malloc(size);

        FUZZ_ASSERT(mem);

        return mem;

    } else {

        uintptr_t ptr = 0;

        /* Return junk pointer 50% of the time */

        if (FUZZ_dataProducer_uint32Range(producer, 0, 1))

            ptr += FUZZ_dataProducer_int32Range(producer, -1000000, 1000000);

        return (void*)ptr;

    }

}

int FUZZ_memcmp(void const* lhs, void const* rhs, size_t size)

{

    if (size == 0) {

        return 0;

    }

    return memcmp(lhs, rhs, size);

}