1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3 
4 // Make sure LLVMFuzzerInitialize is called.
5 #include <assert.h>
6 #include <stddef.h>
7 #include <stdint.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 
12 static char *argv0 = NULL;
13 
14 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
15   assert(*argc > 0);
16   argv0 = **argv;
17   fprintf(stderr, "LLVMFuzzerInitialize: %s\n", argv0);
18   return 0;
19 }
20 
21 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
22   assert(argv0);
23   if (argv0 && Size >= 4 && !memcmp(Data, "fuzz", 4)) {
24     fprintf(stderr, "BINGO %s\n", argv0);
25     exit(1);
26   }
27   return 0;
28 }
29