111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===------------------------ iostream.cpp --------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "__std_stream" 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "string" 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "new" 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_LIBCPP_BEGIN_NAMESPACE_STD 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDIN 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin [sizeof(istream)]; 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_cin; 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin [sizeof(wistream)]; 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_wcin; 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDOUT 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]; 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_cout; 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]; 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_wcout; 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]; 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_cerr; 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]; 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstatic mbstate_t mb_wcerr; 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]; 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]; 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertios_base::Init __start_std_streams; 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertios_base::Init::Init() 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDIN 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin)); 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin)); 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDOUT 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout)); 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout)); 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr)); 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ::new(clog) ostream(cerr_ptr->rdbuf()); 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr)); 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ::new(wclog) wostream(wcerr_ptr->rdbuf()); 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if !defined(_LIBCPP_HAS_NO_STDIN) && !defined(_LIBCPP_HAS_NO_STDOUT) 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert cin_ptr->tie(cout_ptr); 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wcin_ptr->tie(wcout_ptr); 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _VSTD::unitbuf(*cerr_ptr); 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _VSTD::unitbuf(*wcerr_ptr); 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDOUT 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert cerr_ptr->tie(cout_ptr); 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wcerr_ptr->tie(wcout_ptr); 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albertios_base::Init::~Init() 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LIBCPP_HAS_NO_STDOUT 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ostream* cout_ptr = reinterpret_cast<ostream*>(cout); 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout); 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert cout_ptr->flush(); 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wcout_ptr->flush(); 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ostream* clog_ptr = reinterpret_cast<ostream*>(clog); 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog); 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert clog_ptr->flush(); 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wclog_ptr->flush(); 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert_LIBCPP_END_NAMESPACE_STD 89