Mercurial > hg > CbC > CbC_llvm

comparison compiler-rt/test/fuzzer/Reject.cpp @ 236:c4bab56944e8 llvm-original

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 16
author kono
date Wed, 09 Nov 2022 17:45:10 +0900
parents
children
comparison
equal deleted inserted replaced
232:70dce7da266c 236:c4bab56944e8
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 // Tests how the fuzzer rejects inputs if the target returns -1.
6 #include <cstddef>
7 #include <cstdint>
8
9 static volatile int Sink;
10
11 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
12 if (Size != 3)
13 return -1; // Reject anyting that's not 3 bytes long.
14 // Reject 'rej'.
15 if (Data[0] == 'r' && Data[1] == 'e' && Data[2] == 'j')
16 return -1;
17 // Accept 'acc'.
18 if (Data[0] == 'a' && Data[1] == 'c' && Data[2] == 'c') {
19 Sink = 1;
20 return 0;
21 }
22 return 0;
23 }