1 // Copyright 2022 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/strings/escape.h" 6 7 // Prevent the optimizer from optimizing away a function call by "using" the 8 // result. 9 // 10 // TODO(crbug.com/1377534): Replace this with a more general solution. UseResult(const std::string & input)11void UseResult(const std::string& input) { 12 volatile char c; 13 if (input.length() > 0) 14 c = input[0]; 15 (void)c; 16 } 17 18 // Entry point for LibFuzzer. LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)19extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 20 base::StringPiece data_string(reinterpret_cast<const char*>(data), size); 21 22 UseResult(base::EscapeQueryParamValue(data_string, /*use_plus=*/false)); 23 UseResult(base::EscapeQueryParamValue(data_string, /*use_plus=*/true)); 24 25 return 0; 26 } 27