1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===------------------------ iostream.cpp --------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "__std_stream" 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include "string" 121378397721435d2737ab494908918bfe88882789Howard Hinnant#include "new" 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant_LIBCPP_BEGIN_NAMESPACE_STD 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnantstatic mbstate_t state_types[6] = {}; 17903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant 18cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; 19cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; 20cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; 21cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; 22cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; 23cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; 241378397721435d2737ab494908918bfe88882789Howard Hinnant 250f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin [sizeof(istream)]; 260f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]; 270f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]; 280f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]; 290f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin [sizeof(wistream)]; 300f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]; 310f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]; 320f678bd69ef6428e6c75ae1b43fcf1543df63cdaHoward Hinnant_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]; 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init __start_std_streams; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init::Init() 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 38903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, state_types+0) ); 39903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, state_types+1)); 40903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, state_types+2)); 411378397721435d2737ab494908918bfe88882789Howard Hinnant ::new(clog) ostream(cerr_ptr->rdbuf()); 421378397721435d2737ab494908918bfe88882789Howard Hinnant cin_ptr->tie(cout_ptr); 431378397721435d2737ab494908918bfe88882789Howard Hinnant _VSTD::unitbuf(*cerr_ptr); 441378397721435d2737ab494908918bfe88882789Howard Hinnant cerr_ptr->tie(cout_ptr); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 46903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, state_types+3) ); 47903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, state_types+4)); 48903439f7359b1bfaecb59134bbe6bc869501e537Howard Hinnant wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, state_types+5)); 491378397721435d2737ab494908918bfe88882789Howard Hinnant ::new(wclog) wostream(wcerr_ptr->rdbuf()); 501378397721435d2737ab494908918bfe88882789Howard Hinnant wcin_ptr->tie(wcout_ptr); 511378397721435d2737ab494908918bfe88882789Howard Hinnant _VSTD::unitbuf(*wcerr_ptr); 521378397721435d2737ab494908918bfe88882789Howard Hinnant wcerr_ptr->tie(wcout_ptr); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init::~Init() 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 57d3b5b6b9f4656d94628ed33e50a5eeee3b7fa1c3Joerg Sonnenberger ostream* cout_ptr = reinterpret_cast<ostream*>(cout); 58d3b5b6b9f4656d94628ed33e50a5eeee3b7fa1c3Joerg Sonnenberger ostream* clog_ptr = reinterpret_cast<ostream*>(clog); 591378397721435d2737ab494908918bfe88882789Howard Hinnant cout_ptr->flush(); 601378397721435d2737ab494908918bfe88882789Howard Hinnant clog_ptr->flush(); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 62d3b5b6b9f4656d94628ed33e50a5eeee3b7fa1c3Joerg Sonnenberger wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout); 63d3b5b6b9f4656d94628ed33e50a5eeee3b7fa1c3Joerg Sonnenberger wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog); 641378397721435d2737ab494908918bfe88882789Howard Hinnant wcout_ptr->flush(); 651378397721435d2737ab494908918bfe88882789Howard Hinnant wclog_ptr->flush(); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant_LIBCPP_END_NAMESPACE_STD 69