FileHandling.cpp

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//===-- FileHandling.cpp --------------------------------------------------===//
//
//                     The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "klee/Support/FileHandling.h"
 
#include "klee/Config/Version.h"
#include "klee/Config/config.h"
#include "klee/Support/ErrorHandling.h"
 
#include "llvm/Support/FileSystem.h"
 
#ifdef HAVE_ZLIB_H
#include "klee/Support/CompressionStream.h"
#endif
 
namespace klee {
 
std::unique_ptr<llvm::raw_fd_ostream>
klee_open_output_file(const std::string &path, std::string &error) {
  error.clear();
  std::error_code ec;
 
#if LLVM_VERSION_CODE >= LLVM_VERSION(7, 0)
  auto f = std::make_unique<llvm::raw_fd_ostream>(path.c_str(), ec,
                                                  llvm::sys::fs::OF_None);
#else
  auto f = std::make_unique<llvm::raw_fd_ostream>(path.c_str(), ec,
                                                  llvm::sys::fs::F_None);
#endif
 
  if (ec)
    error = ec.message();
  if (!error.empty()) {
    f.reset(nullptr);
  }
  return f;
}
 
#ifdef HAVE_ZLIB_H
std::unique_ptr<llvm::raw_ostream>
klee_open_compressed_output_file(const std::string &path, std::string &error) {
  error.clear();
  auto f = std::make_unique<compressed_fd_ostream>(path, error);
  if (!error.empty()) {
    f.reset(nullptr);
  }
  return f;
}
#endif
}