1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2 // See https://llvm.org/LICENSE.txt for license information. 3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 4 5 // Break through a series of strcmp. 6 #include <cassert> 7 #include <cstdint> 8 #include <cstdio> 9 #include <cstdlib> 10 #include <cstring> 11 12 bool Eq(const uint8_t *Data, size_t Size, const char *Str) { 13 char Buff[1024]; 14 size_t Len = strlen(Str); 15 if (Size < Len) return false; 16 if (Len >= sizeof(Buff)) return false; 17 memcpy(Buff, (const char*)Data, Len); 18 Buff[Len] = 0; 19 int res = strcmp(Buff, Str); 20 return res == 0; 21 } 22 23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 24 if (Eq(Data, Size, "ABC") && 25 Size >= 3 && Eq(Data + 3, Size - 3, "QWER") && 26 Size >= 7 && Eq(Data + 7, Size - 7, "ZXCVN")) { 27 fprintf(stderr, "BINGO\n"); 28 exit(1); 29 } 30 return 0; 31 } 32