1 // Break through a series of strcmp.
2 #include <cstring>
3 #include <cstdint>
4 #include <cstdio>
5 #include <cstdlib>
6 #include <cassert>
7
Eq(const uint8_t * Data,size_t Size,const char * Str)8 bool Eq(const uint8_t *Data, size_t Size, const char *Str) {
9 char Buff[1024];
10 size_t Len = strlen(Str);
11 if (Size < Len) return false;
12 if (Len >= sizeof(Buff)) return false;
13 memcpy(Buff, (char*)Data, Len);
14 Buff[Len] = 0;
15 int res = strcmp(Buff, Str);
16 return res == 0;
17 }
18
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)19 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
20 if (Eq(Data, Size, "AAA") &&
21 Size >= 3 && Eq(Data + 3, Size - 3, "BBBB") &&
22 Size >= 7 && Eq(Data + 7, Size - 7, "CCCCCC") &&
23 Size >= 14 && Data[13] == 42
24 ) {
25 fprintf(stderr, "BINGO\n");
26 exit(1);
27 }
28 return 0;
29 }
30