| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstdio> |
| #include <cstdlib> |
| #include <cstring> |
| |
| #include "FuzzerIO.h" |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| const char *FileName = "big-file.txt"; |
| FILE *f = fopen(FileName, "w"); |
| |
| // This is the biggest file possible unless CopyFileToErr() uses Puts() |
| fprintf(f, "%2147483646s", "2Gb-2"); |
| |
| // This makes the file too big if CopyFileToErr() uses fprintf("%s", <file>) |
| fprintf(f, "THIS LINE RESPONSIBLE FOR EXCEEDING 2Gb FILE SIZE\n"); |
| fclose(f); |
| |
| // Should now because CopyFileToErr() now uses Puts() |
| fuzzer::CopyFileToErr(FileName); |
| |
| // File is >2Gb so clean up |
| remove(FileName); |
| |
| return 0; |
| } |