12946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
22946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
32946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
410ab2aceSGeorge Karpenkov
510ab2aceSGeorge Karpenkov // Break through a series of strcmp.
610ab2aceSGeorge Karpenkov #include <cassert>
710ab2aceSGeorge Karpenkov #include <cstdint>
810ab2aceSGeorge Karpenkov #include <cstdio>
910ab2aceSGeorge Karpenkov #include <cstdlib>
1010ab2aceSGeorge Karpenkov #include <cstring>
1110ab2aceSGeorge Karpenkov
Eq(const uint8_t * Data,size_t Size,const char * Str)1210ab2aceSGeorge Karpenkov bool Eq(const uint8_t *Data, size_t Size, const char *Str) {
1310ab2aceSGeorge Karpenkov char Buff[1024];
1410ab2aceSGeorge Karpenkov size_t Len = strlen(Str);
1510ab2aceSGeorge Karpenkov if (Size < Len) return false;
1610ab2aceSGeorge Karpenkov if (Len >= sizeof(Buff)) return false;
1710ab2aceSGeorge Karpenkov memcpy(Buff, (const char*)Data, Len);
1810ab2aceSGeorge Karpenkov Buff[Len] = 0;
1910ab2aceSGeorge Karpenkov int res = strcmp(Buff, Str);
2010ab2aceSGeorge Karpenkov return res == 0;
2110ab2aceSGeorge Karpenkov }
2210ab2aceSGeorge Karpenkov
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)2310ab2aceSGeorge Karpenkov extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
2410ab2aceSGeorge Karpenkov if (Eq(Data, Size, "ABC") &&
2510ab2aceSGeorge Karpenkov Size >= 3 && Eq(Data + 3, Size - 3, "QWER") &&
26*f16c4a37SVitaly Buka Size >= 7 && Eq(Data + 7, Size - 7, "ZXCVN")) {
2710ab2aceSGeorge Karpenkov fprintf(stderr, "BINGO\n");
2810ab2aceSGeorge Karpenkov exit(1);
2910ab2aceSGeorge Karpenkov }
3010ab2aceSGeorge Karpenkov return 0;
3110ab2aceSGeorge Karpenkov }
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