LLVM  4.0.0
Switch2Test.cpp
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1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3 
4 // Simple test for a fuzzer. The fuzzer must find the interesting switch value.
5 #include <cstdint>
6 #include <cstdlib>
7 #include <cstdio>
8 #include <cstring>
9 #include <cstddef>
10 
11 int Switch(int a) {
12  switch(a) {
13  case 100001: return 1;
14  case 100002: return 2;
15  case 100003: return 4;
16  }
17  return 0;
18 }
19 
20 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
21  const int N = 3;
22  if (Size < N * sizeof(int)) return 0;
23  int Res = 0;
24  for (int i = 0; i < N; i++) {
25  int X;
26  memcpy(&X, Data + i * sizeof(int), sizeof(int));
27  Res += Switch(X);
28  }
29  if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
30  fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
31  exit(1);
32  }
33  return 0;
34 }
35 
size_t i
int Switch(int a)
Definition: Switch2Test.cpp:11
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang","erlang-compatible garbage collector")
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
Definition: Switch2Test.cpp:20
#define N