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
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

source code of libc/fuzzing/stdlib/atof_differential_fuzz.cpp