LLVM  4.0.0
MemcmpTest.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 a particular string.
5 #include <cstring>
6 #include <cstdint>
7 #include <cstdio>
8 #include <cstdlib>
9 
10 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
11  // TODO: check other sizes.
12  if (Size >= 8 && memcmp(Data, "01234567", 8) == 0) {
13  if (Size >= 12 && memcmp(Data + 8, "ABCD", 4) == 0) {
14  if (Size >= 14 && memcmp(Data + 12, "XY", 2) == 0) {
15  if (Size >= 17 && memcmp(Data + 14, "KLM", 3) == 0) {
16  if (Size >= 27 && memcmp(Data + 17, "ABCDE-GHIJ", 10) == 0){
17  fprintf(stderr, "BINGO %zd\n", Size);
18  for (size_t i = 0; i < Size; i++) {
19  uint8_t C = Data[i];
20  if (C >= 32 && C < 127)
21  fprintf(stderr, "%c", C);
22  }
23  fprintf(stderr, "\n");
24  exit(1);
25  }
26  }
27  }
28  }
29  }
30  return 0;
31 }
size_t i
static GCRegistry::Add< ShadowStackGC > C("shadow-stack","Very portable GC for uncooperative code generators")
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
Definition: MemcmpTest.cpp:10