118 lines
3.0 KiB
C++
118 lines
3.0 KiB
C++
/*
|
|
* Copyright Andrey Semashev 2007 - 2013.
|
|
* Distributed under the Boost Software License, Version 1.0.
|
|
* (See accompanying file LICENSE_1_0.txt or copy at
|
|
* http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
/*!
|
|
* \file snprintf.hpp
|
|
* \author Andrey Semashev
|
|
* \date 20.02.2009
|
|
*
|
|
* \brief This header is the Boost.Log library implementation, see the library documentation
|
|
* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
|
|
*/
|
|
|
|
#ifndef BOOST_LOG_DETAIL_SNPRINTF_HPP_INCLUDED_
|
|
#define BOOST_LOG_DETAIL_SNPRINTF_HPP_INCLUDED_
|
|
|
|
#include <stdio.h>
|
|
#include <cstddef>
|
|
#include <cstdarg>
|
|
#include <boost/log/detail/config.hpp>
|
|
#ifdef BOOST_LOG_USE_WCHAR_T
|
|
#include <wchar.h>
|
|
#endif // BOOST_LOG_USE_WCHAR_T
|
|
#include <boost/log/detail/header.hpp>
|
|
|
|
#ifdef BOOST_HAS_PRAGMA_ONCE
|
|
#pragma once
|
|
#endif
|
|
|
|
namespace boost {
|
|
|
|
BOOST_LOG_OPEN_NAMESPACE
|
|
|
|
namespace aux {
|
|
|
|
#if !defined(_MSC_VER)
|
|
|
|
// Standard-conforming compilers already have the correct snprintfs
|
|
using ::snprintf;
|
|
using ::vsnprintf;
|
|
|
|
# ifdef BOOST_LOG_USE_WCHAR_T
|
|
using ::swprintf;
|
|
using ::vswprintf;
|
|
# endif // BOOST_LOG_USE_WCHAR_T
|
|
|
|
#else // !defined(_MSC_VER)
|
|
|
|
# if _MSC_VER >= 1400
|
|
|
|
// MSVC 2005 and later provide the safe-CRT implementation of the conforming snprintf
|
|
inline int vsnprintf(char* buf, std::size_t size, const char* format, std::va_list args)
|
|
{
|
|
return ::vsprintf_s(buf, size, format, args);
|
|
}
|
|
|
|
# ifdef BOOST_LOG_USE_WCHAR_T
|
|
inline int vswprintf(wchar_t* buf, std::size_t size, const wchar_t* format, std::va_list args)
|
|
{
|
|
return ::vswprintf_s(buf, size, format, args);
|
|
}
|
|
# endif // BOOST_LOG_USE_WCHAR_T
|
|
|
|
# else // _MSC_VER >= 1400
|
|
|
|
// MSVC prior to 2005 had a non-conforming extension _vsnprintf, that sometimes did not put a terminating '\0'
|
|
inline int vsnprintf(char* buf, std::size_t size, const char* format, std::va_list args)
|
|
{
|
|
register int n = _vsnprintf(buf, size - 1, format, args);
|
|
buf[size - 1] = '\0';
|
|
return n;
|
|
}
|
|
|
|
# ifdef BOOST_LOG_USE_WCHAR_T
|
|
inline int vswprintf(wchar_t* buf, std::size_t size, const wchar_t* format, std::va_list args)
|
|
{
|
|
register int n = _vsnwprintf(buf, size - 1, format, args);
|
|
buf[size - 1] = L'\0';
|
|
return n;
|
|
}
|
|
# endif // BOOST_LOG_USE_WCHAR_T
|
|
|
|
# endif // _MSC_VER >= 1400
|
|
|
|
inline int snprintf(char* buf, std::size_t size, const char* format, ...)
|
|
{
|
|
std::va_list args;
|
|
va_start(args, format);
|
|
register int n = vsnprintf(buf, size, format, args);
|
|
va_end(args);
|
|
return n;
|
|
}
|
|
|
|
# ifdef BOOST_LOG_USE_WCHAR_T
|
|
inline int swprintf(wchar_t* buf, std::size_t size, const wchar_t* format, ...)
|
|
{
|
|
std::va_list args;
|
|
va_start(args, format);
|
|
register int n = vswprintf(buf, size, format, args);
|
|
va_end(args);
|
|
return n;
|
|
}
|
|
# endif // BOOST_LOG_USE_WCHAR_T
|
|
|
|
#endif // !defined(_MSC_VER)
|
|
|
|
} // namespace aux
|
|
|
|
BOOST_LOG_CLOSE_NAMESPACE // namespace log
|
|
|
|
} // namespace boost
|
|
|
|
#include <boost/log/detail/footer.hpp>
|
|
|
|
#endif // BOOST_LOG_DETAIL_SNPRINTF_HPP_INCLUDED_
|