1 //===- FuzzerIO.cpp - IO utils. -------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 #include "FuzzerInternal.h"
15 #include <sys/types.h>
22 static long GetEpoch(const std::string &Path) {
24 if (stat(Path.c_str(), &St)) return 0;
28 static std::vector<std::string> ListFilesInDir(const std::string &Dir,
30 std::vector<std::string> V;
32 auto E = GetEpoch(Dir.c_str());
33 if (*Epoch >= E) return V;
36 DIR *D = opendir(Dir.c_str());
38 while (auto E = readdir(D)) {
39 if (E->d_type == DT_REG || E->d_type == DT_LNK)
40 V.push_back(E->d_name);
46 Unit FileToVector(const std::string &Path) {
47 std::ifstream T(Path);
48 return Unit((std::istreambuf_iterator<char>(T)),
49 std::istreambuf_iterator<char>());
52 std::string FileToString(const std::string &Path) {
53 std::ifstream T(Path);
54 return std::string((std::istreambuf_iterator<char>(T)),
55 std::istreambuf_iterator<char>());
58 void CopyFileToErr(const std::string &Path) {
59 Printf("%s", FileToString(Path).c_str());
62 void WriteToFile(const Unit &U, const std::string &Path) {
63 std::ofstream OF(Path);
64 OF.write((const char*)U.data(), U.size());
67 void ReadDirToVectorOfUnits(const char *Path, std::vector<Unit> *V,
69 long E = Epoch ? *Epoch : 0;
70 for (auto &X : ListFilesInDir(Path, Epoch)) {
71 auto FilePath = DirPlusFile(Path, X);
72 if (Epoch && GetEpoch(FilePath) < E) continue;
73 V->push_back(FileToVector(FilePath));
77 std::string DirPlusFile(const std::string &DirPath,
78 const std::string &FileName) {
79 return DirPath + "/" + FileName;
82 void PrintFileAsBase64(const std::string &Path) {
83 std::string Cmd = "base64 -w 0 < " + Path + "; echo";
87 void Printf(const char *Fmt, ...) {
90 vfprintf(stderr, Fmt, ap);