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https://github.com/c64scene-ar/llvm-6502.git
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f69bb85171
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242596 91177308-0d34-0410-b5e6-96231b3b80d8
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
//===- FuzzerIO.cpp - IO utils. -------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// IO functions.
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//===----------------------------------------------------------------------===//
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#include "FuzzerInternal.h"
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#include <iterator>
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#include <fstream>
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <cstdio>
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namespace fuzzer {
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static long GetEpoch(const std::string &Path) {
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struct stat St;
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if (stat(Path.c_str(), &St)) {
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Printf("Can not stat: %s; exiting\n", Path.c_str());
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exit(1);
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}
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return St.st_mtime;
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}
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static std::vector<std::string> ListFilesInDir(const std::string &Dir,
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long *Epoch) {
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std::vector<std::string> V;
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if (Epoch) {
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auto E = GetEpoch(Dir.c_str());
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if (*Epoch >= E) return V;
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*Epoch = E;
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}
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DIR *D = opendir(Dir.c_str());
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if (!D) {
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Printf("No such directory: %s; exiting\n", Dir.c_str());
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exit(1);
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}
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while (auto E = readdir(D)) {
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if (E->d_type == DT_REG || E->d_type == DT_LNK)
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V.push_back(E->d_name);
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}
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closedir(D);
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return V;
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}
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Unit FileToVector(const std::string &Path) {
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std::ifstream T(Path);
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return Unit((std::istreambuf_iterator<char>(T)),
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std::istreambuf_iterator<char>());
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}
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std::string FileToString(const std::string &Path) {
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std::ifstream T(Path);
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return std::string((std::istreambuf_iterator<char>(T)),
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std::istreambuf_iterator<char>());
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}
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void CopyFileToErr(const std::string &Path) {
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Printf("%s", FileToString(Path).c_str());
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}
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void WriteToFile(const Unit &U, const std::string &Path) {
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std::ofstream OF(Path);
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OF.write((const char*)U.data(), U.size());
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}
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void ReadDirToVectorOfUnits(const char *Path, std::vector<Unit> *V,
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long *Epoch) {
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long E = Epoch ? *Epoch : 0;
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for (auto &X : ListFilesInDir(Path, Epoch)) {
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auto FilePath = DirPlusFile(Path, X);
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if (Epoch && GetEpoch(FilePath) < E) continue;
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V->push_back(FileToVector(FilePath));
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}
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}
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std::string DirPlusFile(const std::string &DirPath,
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const std::string &FileName) {
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return DirPath + "/" + FileName;
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}
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void PrintFileAsBase64(const std::string &Path) {
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std::string Cmd = "base64 -w 0 < " + Path + "; echo";
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ExecuteCommand(Cmd);
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}
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void Printf(const char *Fmt, ...) {
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va_list ap;
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va_start(ap, Fmt);
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vfprintf(stderr, Fmt, ap);
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va_end(ap);
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}
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} // namespace fuzzer
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