format_system_time.h

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// format_system_time.h

#ifndef FORMAT_SYSTEM_TIME_H
#define FORMAT_SYSTEM_TIME_H

#include <iosfwd>
#include <windows.h>

class format_system_time
{
public:
  enum { relative=1, show_seconds=2, show_milliseconds=4 };
  format_system_time(const SYSTEMTIME& systemtime, int options=0)
    : m_systemtime(systemtime), m_options(options)
  {
  }
  format_system_time(int options=0)
    : m_options(options)
  {
    GetLocalTime(&m_systemtime);
  }
  static int width(int options=0);

  int m_options;
  SYSTEMTIME m_systemtime;

  friend std::ostream& operator<< (std::ostream&, const format_system_time &);
};

#endif // FORMAT_SYSTEM_TIME_H

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