| // 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; | |
| } |