LLVM  4.0.0
DSOTestMain.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 // Source code for a simple DSO.
5 
6 #include <cstdint>
7 #include <cstdlib>
8 #include <cstring>
9 #include <cstdio>
10 extern int DSO1(int a);
11 extern int DSO2(int a);
12 extern int DSOTestExtra(int a);
13 
14 static volatile int *nil = 0;
15 
16 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
17  int x, y, z;
18  if (Size < sizeof(int) * 3) {
19  x = y = z = 0;
20  } else {
21  memcpy(&x, Data + 0 * sizeof(int), sizeof(int));
22  memcpy(&y, Data + 1 * sizeof(int), sizeof(int));
23  memcpy(&z, Data + 2 * sizeof(int), sizeof(int));
24  }
25  int sum = DSO1(x) + DSO2(y) + (z ? DSOTestExtra(z) : 0);
26  if (sum == 3) {
27  fprintf(stderr, "BINGO %d %d %d\n", x, y, z);
28  *nil = 0;
29  }
30  return 0;
31 }
int DSO2(int a)
Definition: DSO2.cpp:6
int DSO1(int a)
Definition: DSO1.cpp:6
static volatile int * nil
Definition: DSOTestMain.cpp:14
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
Definition: DSOTestMain.cpp:16
int DSOTestExtra(int a)
Definition: DSOTestExtra.cpp:6