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