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// Make sure LLVMFuzzerInitialize is called.
6#include <assert.h>
7#include <stddef.h>
8#include <stdint.h>
9#include <stdio.h>
10#include <stdlib.h>
11#include <string.h>
12
13static char *argv0 = NULL;
14
15extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
16 assert(*argc > 0);
17 argv0 = **argv;
18 fprintf(stderr, "LLVMFuzzerInitialize: %s\n", argv0);
19 return 0;
20}
21
22extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
23 assert(argv0);
24 if (argv0 && Size >= 4 && !memcmp(Data, "fuzz", 4)) {
25 fprintf(stderr, "BINGO %s\n", argv0);
26 exit(1);
27 }
28 return 0;
29}
30