1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2 // See https://llvm.org/LICENSE.txt for license information.
3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4 
5 // Tests -trace_malloc
6 #include <assert.h>
7 #include <cstddef>
8 #include <cstdint>
9 #include <cstdlib>
10 #include <iostream>
11 
12 int *Ptr;
13 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)14 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
15   if (!Size) return 0;
16   if (*Data == 1) {
17     delete Ptr;
18     Ptr = nullptr;
19   } else if (*Data == 2) {
20     delete Ptr;
21     Ptr = new int;
22   } else if (*Data == 3) {
23     if (!Ptr)
24       Ptr = new int;
25   }
26   return 0;
27 }
28 
29