/* SPDX-License-Identifier: LGPL-2.1-or-later */

#pragma once

#include <stdio.h>

#include "forward.h"

#include "fileio.h"

#include "log.h"

/* The entry point into the fuzzer */

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);

static inline FILE* data_to_file(const uint8_t *data, size_t size) {

        if (size == 0)

                return fopen("/dev/null", "re");

        else

                return fmemopen_unlocked((char*) data, size, "r");

}

/* Check if we are within the specified size range.

 * The upper limit is ignored if FUZZ_USE_SIZE_LIMIT is unset.

 */

static inline bool outside_size_range(size_t size, size_t lower, size_t upper) {

        if (size < lower)

                return true;

        if (size > upper)

                return FUZZ_USE_SIZE_LIMIT;

        return false;

}

static inline void fuzz_setup_logging(void) {

        /* We don't want to fill the logs and slow down stuff when running

         * in a fuzzing mode, so disable most of the logging. */

        log_set_assert_return_is_critical(true);

        log_set_max_level(LOG_CRIT);

        log_setup();

}

/* Force value to not be optimized away. */

#define DO_NOT_OPTIMIZE(value) ({ asm volatile("" : : "g"(value) : "memory"); })