14684ddb6SLionel Sambuc //===------------------------ iostream.cpp --------------------------------===// 24684ddb6SLionel Sambuc // 34684ddb6SLionel Sambuc // The LLVM Compiler Infrastructure 44684ddb6SLionel Sambuc // 54684ddb6SLionel Sambuc // This file is dual licensed under the MIT and the University of Illinois Open 64684ddb6SLionel Sambuc // Source Licenses. See LICENSE.TXT for details. 74684ddb6SLionel Sambuc // 84684ddb6SLionel Sambuc //===----------------------------------------------------------------------===// 94684ddb6SLionel Sambuc 104684ddb6SLionel Sambuc #include "__std_stream" 114684ddb6SLionel Sambuc #include "string" 124684ddb6SLionel Sambuc #include "new" 134684ddb6SLionel Sambuc 144684ddb6SLionel Sambuc _LIBCPP_BEGIN_NAMESPACE_STD 154684ddb6SLionel Sambuc 16*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDIN 174684ddb6SLionel Sambuc _ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin [sizeof(istream)]; 18*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; 19*0a6a1f1dSLionel Sambuc static mbstate_t mb_cin; 204684ddb6SLionel Sambuc _ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin [sizeof(wistream)]; 21*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; 22*0a6a1f1dSLionel Sambuc static mbstate_t mb_wcin; 23*0a6a1f1dSLionel Sambuc #endif 24*0a6a1f1dSLionel Sambuc 25*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDOUT 26*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]; 27*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; 28*0a6a1f1dSLionel Sambuc static mbstate_t mb_cout; 294684ddb6SLionel Sambuc _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]; 30*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; 31*0a6a1f1dSLionel Sambuc static mbstate_t mb_wcout; 32*0a6a1f1dSLionel Sambuc #endif 33*0a6a1f1dSLionel Sambuc 34*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]; 35*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; 36*0a6a1f1dSLionel Sambuc static mbstate_t mb_cerr; 374684ddb6SLionel Sambuc _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]; 38*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; 39*0a6a1f1dSLionel Sambuc static mbstate_t mb_wcerr; 40*0a6a1f1dSLionel Sambuc 41*0a6a1f1dSLionel Sambuc _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]; 424684ddb6SLionel Sambuc _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]; 434684ddb6SLionel Sambuc 444684ddb6SLionel Sambuc ios_base::Init __start_std_streams; 454684ddb6SLionel Sambuc Init()464684ddb6SLionel Sambucios_base::Init::Init() 474684ddb6SLionel Sambuc { 48*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDIN 49*0a6a1f1dSLionel Sambuc istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin)); 50*0a6a1f1dSLionel Sambuc wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin)); 51*0a6a1f1dSLionel Sambuc #endif 52*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDOUT 53*0a6a1f1dSLionel Sambuc ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout)); 54*0a6a1f1dSLionel Sambuc wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout)); 55*0a6a1f1dSLionel Sambuc #endif 56*0a6a1f1dSLionel Sambuc ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr)); 574684ddb6SLionel Sambuc ::new(clog) ostream(cerr_ptr->rdbuf()); 58*0a6a1f1dSLionel Sambuc wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr)); 594684ddb6SLionel Sambuc ::new(wclog) wostream(wcerr_ptr->rdbuf()); 60*0a6a1f1dSLionel Sambuc 61*0a6a1f1dSLionel Sambuc #if !defined(_LIBCPP_HAS_NO_STDIN) && !defined(_LIBCPP_HAS_NO_STDOUT) 62*0a6a1f1dSLionel Sambuc cin_ptr->tie(cout_ptr); 634684ddb6SLionel Sambuc wcin_ptr->tie(wcout_ptr); 64*0a6a1f1dSLionel Sambuc #endif 65*0a6a1f1dSLionel Sambuc _VSTD::unitbuf(*cerr_ptr); 664684ddb6SLionel Sambuc _VSTD::unitbuf(*wcerr_ptr); 67*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDOUT 68*0a6a1f1dSLionel Sambuc cerr_ptr->tie(cout_ptr); 694684ddb6SLionel Sambuc wcerr_ptr->tie(wcout_ptr); 70*0a6a1f1dSLionel Sambuc #endif 714684ddb6SLionel Sambuc } 724684ddb6SLionel Sambuc ~Init()734684ddb6SLionel Sambucios_base::Init::~Init() 744684ddb6SLionel Sambuc { 75*0a6a1f1dSLionel Sambuc #ifndef _LIBCPP_HAS_NO_STDOUT 764684ddb6SLionel Sambuc ostream* cout_ptr = reinterpret_cast<ostream*>(cout); 774684ddb6SLionel Sambuc wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout); 78*0a6a1f1dSLionel Sambuc cout_ptr->flush(); 794684ddb6SLionel Sambuc wcout_ptr->flush(); 80*0a6a1f1dSLionel Sambuc #endif 81*0a6a1f1dSLionel Sambuc 82*0a6a1f1dSLionel Sambuc ostream* clog_ptr = reinterpret_cast<ostream*>(clog); 83*0a6a1f1dSLionel Sambuc wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog); 84*0a6a1f1dSLionel Sambuc clog_ptr->flush(); 854684ddb6SLionel Sambuc wclog_ptr->flush(); 864684ddb6SLionel Sambuc } 874684ddb6SLionel Sambuc 884684ddb6SLionel Sambuc _LIBCPP_END_NAMESPACE_STD 89