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Use std::snprintf in detail/snprintf.hpp

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This commit is contained in:
Peter Dimov
2024-01-17 04:34:11 +02:00
parent f08e363c0e
commit 44582f3c3c
1 changed files with 1 additions and 46 deletions
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47
include/boost/system/detail/snprintf.hpp
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@ -8,66 +8,21 @@
// //
// See library home page at http://www.boost.org/libs/system // See library home page at http://www.boost.org/libs/system
#include <boost/config.hpp>
#include <cstdio> #include <cstdio>
#include <cstdarg>
// //
namespace boost namespace boost
{ {
namespace system namespace system
{ {
namespace detail namespace detail
{ {
#if ( defined(_MSC_VER) && _MSC_VER < 1900 ) || ( defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR) ) using std::snprintf;
inline void snprintf( char * buffer, std::size_t len, char const * format, ... )
{
# if defined( BOOST_MSVC )
# pragma warning( push )
# pragma warning( disable: 4996 )
# endif
if( len == 0 ) return;
va_list args;
va_start( args, format );
_vsnprintf( buffer, len - 1, format, args );
buffer[ len - 1 ] = 0;
va_end( args );
# if defined( BOOST_MSVC )
# pragma warning( pop )
# endif
}
#else
#if defined(__GNUC__) && __GNUC__ >= 3
__attribute__((__format__ (__printf__, 3, 4)))
#endif
inline void snprintf( char * buffer, std::size_t len, char const * format, ... )
{
va_list args;
va_start( args, format );
std::vsnprintf( buffer, len, format, args );
va_end( args );
}
#endif
} // namespace detail } // namespace detail
} // namespace system } // namespace system
} // namespace boost } // namespace boost
#endif // #ifndef BOOST_SYSTEM_DETAIL_SNPRINTF_HPP_INCLUDED #endif // #ifndef BOOST_SYSTEM_DETAIL_SNPRINTF_HPP_INCLUDED