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/*
* Copyright (c) 2016-2020, Facebook, Inc.
* 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.
*/
/**
* Helper functions for fuzzing.
*/
#ifndef FUZZ_HELPERS_H
#define FUZZ_HELPERS_H
#include "debug.h"
#include "fuzz.h"
#include "xxhash.h"
#include "zstd.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define FUZZ_QUOTE_IMPL(str) #str
#define FUZZ_QUOTE(str) FUZZ_QUOTE_IMPL(str)
/**
* Asserts for fuzzing that are always enabled.
*/
#define FUZZ_ASSERT_MSG(cond, msg) \
((cond) ? (void)0 \
: (fprintf(stderr, "%s: %u: Assertion: `%s' failed. %s\n", __FILE__, \
__LINE__, FUZZ_QUOTE(cond), (msg)), \
abort()))
#define FUZZ_ASSERT(cond) FUZZ_ASSERT_MSG((cond), "");
#define FUZZ_ZASSERT(code) \
FUZZ_ASSERT_MSG(!ZSTD_isError(code), ZSTD_getErrorName(code))
#if defined(__GNUC__)
#define FUZZ_STATIC static __inline __attribute__((unused))
#elif defined(__cplusplus) || \
(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
#define FUZZ_STATIC static inline
#elif defined(_MSC_VER)
#define FUZZ_STATIC static __inline
#else
#define FUZZ_STATIC static
#endif
/**
* malloc except return NULL for zero sized data and FUZZ_ASSERT
* that malloc doesn't fail.
*/
void* FUZZ_malloc(size_t size);
/**
* memcmp but accepts NULL.
*/
int FUZZ_memcmp(void const* lhs, void const* rhs, size_t size);
#ifdef __cplusplus
}
#endif
#endif
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