1*3117ece4Schristos /* 2*3117ece4Schristos * Copyright (c) Meta Platforms, Inc. and affiliates. 3*3117ece4Schristos * All rights reserved. 4*3117ece4Schristos * 5*3117ece4Schristos * This source code is licensed under both the BSD-style license (found in the 6*3117ece4Schristos * LICENSE file in the root directory of this source tree) and the GPLv2 (found 7*3117ece4Schristos * in the COPYING file in the root directory of this source tree). 8*3117ece4Schristos * You may select, at your option, one of the above-listed licenses. 9*3117ece4Schristos */ 10*3117ece4Schristos #include "fuzz_helpers.h" 11*3117ece4Schristos 12*3117ece4Schristos #include <stddef.h> 13*3117ece4Schristos #include <stdlib.h> 14*3117ece4Schristos #include <string.h> 15*3117ece4Schristos 16*3117ece4Schristos void* FUZZ_malloc(size_t size) 17*3117ece4Schristos { 18*3117ece4Schristos if (size > 0) { 19*3117ece4Schristos void* const mem = malloc(size); 20*3117ece4Schristos FUZZ_ASSERT(mem); 21*3117ece4Schristos return mem; 22*3117ece4Schristos } 23*3117ece4Schristos return NULL; 24*3117ece4Schristos } 25*3117ece4Schristos 26*3117ece4Schristos void* FUZZ_malloc_rand(size_t size, FUZZ_dataProducer_t *producer) 27*3117ece4Schristos { 28*3117ece4Schristos if (size > 0) { 29*3117ece4Schristos void* const mem = malloc(size); 30*3117ece4Schristos FUZZ_ASSERT(mem); 31*3117ece4Schristos return mem; 32*3117ece4Schristos } else { 33*3117ece4Schristos uintptr_t ptr = 0; 34*3117ece4Schristos /* Add +- 1M 50% of the time */ 35*3117ece4Schristos if (FUZZ_dataProducer_uint32Range(producer, 0, 1)) 36*3117ece4Schristos FUZZ_dataProducer_int32Range(producer, -1000000, 1000000); 37*3117ece4Schristos return (void*)ptr; 38*3117ece4Schristos } 39*3117ece4Schristos 40*3117ece4Schristos } 41*3117ece4Schristos 42*3117ece4Schristos int FUZZ_memcmp(void const* lhs, void const* rhs, size_t size) 43*3117ece4Schristos { 44*3117ece4Schristos if (size == 0) { 45*3117ece4Schristos return 0; 46*3117ece4Schristos } 47*3117ece4Schristos return memcmp(lhs, rhs, size); 48*3117ece4Schristos } 49