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// Parse some flags
6#include <cstdint>
7#include <string>
8#include <vector>
9
10static std::vector<std::string> Flags;
11
12extern "C" int LLVMFuzzerInitialize(int *Argc, char ***Argv) {
13 // Parse --flags and anything after -ignore_remaining_args=1 is passed.
14 int I = 1;
15 while (I < *Argc) {
16 std::string S((*Argv)[I++]);
17 if (S == "-ignore_remaining_args=1")
18 break;
19 if (S.substr(pos: 0, n: 2) == "--")
20 Flags.push_back(x: S);
21 }
22 while (I < *Argc)
23 Flags.push_back(x: std::string((*Argv)[I++]));
24
25 return 0;
26}
27
28extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
29 fprintf(stderr, format: "BINGO ");
30 for (auto Flag : Flags)
31 fprintf(stderr, format: "%s ", Flag.c_str());
32 fprintf(stderr, format: "\n");
33 return 0;
34}
35

source code of compiler-rt/test/fuzzer/FlagsTest.cpp