74 lines
1.4 KiB
C++
Executable File
74 lines
1.4 KiB
C++
Executable File
#ifndef BOOST_SYSTEM_DETAIL_SNPRINTF_HPP_INCLUDED
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#define BOOST_SYSTEM_DETAIL_SNPRINTF_HPP_INCLUDED
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// Copyright 2018, 2020, 2021 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See library home page at http://www.boost.org/libs/system
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#include <boost/config.hpp>
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#include <cstdio>
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#include <cstdarg>
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//
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namespace boost
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{
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namespace system
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{
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namespace detail
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{
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#if ( defined(_MSC_VER) && _MSC_VER < 1900 ) || ( defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR) )
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inline void snprintf( char * buffer, std::size_t len, char const * format, ... )
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{
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# if defined( BOOST_MSVC )
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# pragma warning( push )
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# pragma warning( disable: 4996 )
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# endif
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if( len == 0 ) return;
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va_list args;
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va_start( args, format );
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_vsnprintf( buffer, len - 1, format, args );
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buffer[ len - 1 ] = 0;
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va_end( args );
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# if defined( BOOST_MSVC )
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# pragma warning( pop )
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# endif
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}
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#else
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#if defined(__GNUC__) && __GNUC__ >= 3
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__attribute__((__format__ (__printf__, 3, 4)))
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#endif
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inline void snprintf( char * buffer, std::size_t len, char const * format, ... )
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{
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va_list args;
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va_start( args, format );
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std::vsnprintf( buffer, len, format, args );
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va_end( args );
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}
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#endif
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} // namespace detail
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} // namespace system
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} // namespace boost
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#endif // #ifndef BOOST_SYSTEM_DETAIL_SNPRINTF_HPP_INCLUDED
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