1 //===-- atof_fuzz.cpp -----------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// Fuzzing test for llvm-libc atof implementation. 10 /// 11 //===----------------------------------------------------------------------===// 12 #include "src/stdlib/atof.h" 13 #include <stddef.h> 14 #include <stdint.h> 15 #include <stdlib.h> 16 17 #include "fuzzing/stdlib/StringParserOutputDiff.h" 18 LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)19extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 20 uint8_t *container = new uint8_t[size + 1]; 21 if (!container) 22 __builtin_trap(); 23 size_t i; 24 25 for (i = 0; i < size; ++i) 26 container[i] = data[i]; 27 container[size] = '\0'; // Add null terminator to container. 28 29 StringParserOutputDiff<double>(&LIBC_NAMESPACE::atof, &::atof, container, 30 size); 31 delete[] container; 32 return 0; 33 } 34