| //===- 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 AppendToFile(const uint8_t *Data, size_t Size, const std::string &Path); |
| void AppendToFile(const std::string &Data, const std::string &Path); |
| |
| void ReadDirToVectorOfUnits(const char *Path, std::vector<Unit> *V, long *Epoch, |
| size_t MaxSize, bool ExitOnError, |
| std::vector<std::string> *VPaths = 0); |
| |
| // 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(); |
| |
| // For testing. |
| FILE *GetOutputFile(); |
| void SetOutputFile(FILE *NewOutputFile); |
| |
| 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); |
| bool IsDirectory(const std::string &Path); |
| size_t FileSize(const std::string &Path); |
| |
| void ListFilesInDirRecursive(const std::string &Dir, long *Epoch, |
| std::vector<std::string> *V, bool TopDir); |
| |
| bool MkDirRecursive(const std::string &Dir); |
| 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; } |
| }; |
| |
| void GetSizedFilesFromDir(const std::string &Dir, std::vector<SizedFile> *V); |
| |
| char GetSeparator(); |
| bool IsSeparator(char C); |
| // 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 |