//===- FuzzerIO.h - Internal header for IO utils ----------------*- C++ -* ===//
//
// 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
//
//===----------------------------------------------------------------------===//
// IO interface.
//===----------------------------------------------------------------------===//
#ifndef LLVM_FUZZER_IO_H
#define LLVM_FUZZER_IO_H
#include "FuzzerDefs.h"
namespace fuzzer {
long GetEpoch(
const std::string &Path);
Unit FileToVector(
const std::string &Path, size_t MaxSize = 0,
bool ExitOnError =
true );
std::string FileToString(
const std::string &Path);
void CopyFileToErr(
const std::string &Path);
void WriteToFile(
const uint8_t *Data, size_t Size,
const std::string &Path);
// Write Data.c_str() to the file without terminating null character.
void WriteToFile(
const std::string &Data,
const std::string &Path);
void WriteToFile(
const Unit &U,
const std::string &Path);
void ReadDirToVectorOfUnits(
const char *Path, Vector<Unit> *V,
long *Epoch, size_t MaxSize,
bool ExitOnError);
// Returns "Dir/FileName" or equivalent for the current OS.
std::string DirPlusFile(
const std::string &DirPath,
const std::string &FileName);
// Returns the name of the dir, similar to the 'dirname' utility.
std::string DirName(
const std::string &FileName);
// Returns path to a TmpDir.
std::string TmpDir();
std::string TempPath(
const char *Prefix,
const char *Extension);
bool IsInterestingCoverageFile(
const std::string &FileName);
void DupAndCloseStderr();
void CloseStdout();
void Printf(
const char *Fmt, ...);
void VPrintf(
bool Verbose,
const char *Fmt, ...);
// Print using raw syscalls, useful when printing at early init stages.
void RawPrint(
const char *Str);
// Platform specific functions:
bool IsFile(
const std::string &Path);
size_t FileSize(
const std::string &Path);
int ListFilesInDirRecursive(
const std::string &Dir,
long *Epoch,
Vector<std::string> *V,
bool TopDir);
void RmDirRecursive(
const std::string &Dir);
// Iterate files and dirs inside Dir, recursively.
// Call DirPreCallback/DirPostCallback on dirs before/after
// calling FileCallback on files.
void IterateDirRecursive(
const std::string &Dir,
void (*DirPreCallback)(
const std::string &Dir),
void (*DirPostCallback)(
const std::string &Dir),
void (*FileCallback)(
const std::string &Dir));
struct SizedFile {
std::string File;
size_t Size;
bool operator <(
const SizedFile &B)
const {
return Size < B.Size; }
};
int GetSizedFilesFromDir(
const std::string &Dir, Vector<SizedFile> *V);
char GetSeparator();
// Similar to the basename utility: returns the file name w/o the dir prefix.
std::string Basename(
const std::string &Path);
FILE* OpenFile(
int Fd,
const char *Mode);
int CloseFile(
int Fd);
int DuplicateFile(
int Fd);
void RemoveFile(
const std::string &Path);
void RenameFile(
const std::string &OldPath,
const std::string &NewPath);
intptr_t GetHandleFromFd(
int fd);
void MkDir(
const std::string &Path);
void RmDir(
const std::string &Path);
const std::string &getDevNull();
}
// namespace fuzzer
#endif // LLVM_FUZZER_IO_H
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