iostream.cpp revision cbdd0896d3629a17d11be4078347e085b26099f5
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 16cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; 17cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; 18cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; 19cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; 20cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; 21cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; 221378397721435d2737ab494908918bfe88882789Howard Hinnant 23cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (istream) char cin [sizeof(istream)]; 24cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (ostream) char cout[sizeof(ostream)]; 25cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (ostream) char cerr[sizeof(ostream)]; 26cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (ostream) char clog[sizeof(ostream)]; 27cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (wistream) char wcin [sizeof(wistream)]; 28cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (wostream) char wcout[sizeof(wostream)]; 29cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (wostream) char wcerr[sizeof(wostream)]; 30cbdd0896d3629a17d11be4078347e085b26099f5Howard Hinnant_ALIGNAS_TYPE (wostream) char wclog[sizeof(wostream)]; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init __start_std_streams; 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init::Init() 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 361378397721435d2737ab494908918bfe88882789Howard Hinnant istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin) ); 371378397721435d2737ab494908918bfe88882789Howard Hinnant ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout)); 381378397721435d2737ab494908918bfe88882789Howard Hinnant ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr)); 391378397721435d2737ab494908918bfe88882789Howard Hinnant ::new(clog) ostream(cerr_ptr->rdbuf()); 401378397721435d2737ab494908918bfe88882789Howard Hinnant cin_ptr->tie(cout_ptr); 411378397721435d2737ab494908918bfe88882789Howard Hinnant _VSTD::unitbuf(*cerr_ptr); 421378397721435d2737ab494908918bfe88882789Howard Hinnant cerr_ptr->tie(cout_ptr); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 441378397721435d2737ab494908918bfe88882789Howard Hinnant wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin) ); 451378397721435d2737ab494908918bfe88882789Howard Hinnant wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout)); 461378397721435d2737ab494908918bfe88882789Howard Hinnant wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr)); 471378397721435d2737ab494908918bfe88882789Howard Hinnant ::new(wclog) wostream(wcerr_ptr->rdbuf()); 481378397721435d2737ab494908918bfe88882789Howard Hinnant wcin_ptr->tie(wcout_ptr); 491378397721435d2737ab494908918bfe88882789Howard Hinnant _VSTD::unitbuf(*wcerr_ptr); 501378397721435d2737ab494908918bfe88882789Howard Hinnant wcerr_ptr->tie(wcout_ptr); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantios_base::Init::~Init() 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 551378397721435d2737ab494908918bfe88882789Howard Hinnant ostream* cout_ptr = (ostream*)cout; 561378397721435d2737ab494908918bfe88882789Howard Hinnant ostream* clog_ptr = (ostream*)clog; 571378397721435d2737ab494908918bfe88882789Howard Hinnant cout_ptr->flush(); 581378397721435d2737ab494908918bfe88882789Howard Hinnant clog_ptr->flush(); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 601378397721435d2737ab494908918bfe88882789Howard Hinnant wostream* wcout_ptr = (wostream*)wcout; 611378397721435d2737ab494908918bfe88882789Howard Hinnant wostream* wclog_ptr = (wostream*)wclog; 621378397721435d2737ab494908918bfe88882789Howard Hinnant wcout_ptr->flush(); 631378397721435d2737ab494908918bfe88882789Howard Hinnant wclog_ptr->flush(); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant_LIBCPP_END_NAMESPACE_STD 67