aria2-segfault

OutputFile.h

#ifndef D_OUTPUT_FILE_H
#define D_OUTPUT_FILE_H

#include "common.h"

#include <cstdlib>
#include <cstdarg>

namespace aria2 {

class OutputFile {
public:
  virtual ~OutputFile() {}
  virtual size_t write(const char* str) = 0;
  virtual int flush() = 0;
  virtual int vprintf(const char* format, va_list va) = 0;
  inline int printf(const char *format, ...) {
    va_list va;
    va_start(va, format);
    int rv = vprintf(format, va);
    va_end(va);
    return rv;
  }
  // Returns true if the output medium supports ANSI color codes.
  virtual bool supportsColor() = 0;
};

} // namespace aria2

#endif // D_OUTPUT_FILE_H

WinConsoleFile.h

#ifndef D_WIN_CONSOLE_FILE_H
#define D_WIN_CONSOLE_FILE_H

#include "OutputFile.h"

#include <string>

namespace aria2 {

  // This is a wrapper class for WriteConsoleW
  class WinConsoleFile: public OutputFile
  {
  public:
    WinConsoleFile(DWORD stdHandle);
    virtual ~WinConsoleFile() {}

    virtual size_t write(const char* str) CXX11_OVERRIDE;
    virtual int vprintf(const char* format, va_list va) CXX11_OVERRIDE; // <-- error here
    virtual bool supportsColor() CXX11_OVERRIDE;
    virtual int flush() CXX11_OVERRIDE
    {
      return 0;
    }

  private:
    DWORD stdHandle_;
    bool bold_;
    bool underline_;
    bool reverse_;
    WORD fg_, deffg_;
    WORD bg_, defbg_;

    size_t writeColorful(const std::wstring& str);
    inline HANDLE handle() const
    {
      return ::GetStdHandle(stdHandle_);
    }

  private:
    // Don't allow copying
    WinConsoleFile(const WinConsoleFile&) = delete;
    WinConsoleFile& operator=(const WinConsoleFile&) = delete;
  };

} // namespace aria2

#endif // D_WIN_CONSOLE_FILE_H