zhipuzi_pay_plugin/include/log4cplus/helpers/snprintf.h

// -*- C++ -*-
//  Copyright (C) 2010-2015, Vaclav Zeman. All rights reserved.
//  
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//  tion, are permitted provided that the following conditions are met:
//  
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//     this list of conditions and the following disclaimer.
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//  2. Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
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#ifndef LOG4CPLUS_HELPERS_SNPRINTF_H
#define LOG4CPLUS_HELPERS_SNPRINTF_H

#include <log4cplus/config.hxx>

#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif

#include <log4cplus/tchar.h>
#include <cstdarg>
#include <vector>


namespace log4cplus { namespace helpers {


class LOG4CPLUS_EXPORT snprintf_buf
{
public:
    snprintf_buf ();

    tchar const * print (tchar const * fmt, ...)
        LOG4CPLUS_FORMAT_ATTRIBUTE (__printf__, 2, 3);

    int print_va_list (tchar const * & str, tchar const * fmt, std::va_list)
        LOG4CPLUS_FORMAT_ATTRIBUTE (__printf__, 3, 0);

private:
    std::vector<tchar> buf;
};
  

} } // namespace log4cplus { namespace helpers



#endif // LOG4CPLUS_HELPERS_SNPRINTF_H