blob: 5515365246b44f1740230f1bdc4dec9b509f2e9f [file] [log] [blame]
// 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;
}