1 //===------------------------ iostream.cpp --------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "__std_stream" 11 #include "string" 12 #include "new" 13 14 _LIBCPP_BEGIN_NAMESPACE_STD 15 16 _ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; 17 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; 18 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; 19 _ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; 20 _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; 21 _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; 22 23 _ALIGNAS_TYPE (istream) char cin [sizeof(istream)]; 24 _ALIGNAS_TYPE (ostream) char cout[sizeof(ostream)]; 25 _ALIGNAS_TYPE (ostream) char cerr[sizeof(ostream)]; 26 _ALIGNAS_TYPE (ostream) char clog[sizeof(ostream)]; 27 _ALIGNAS_TYPE (wistream) char wcin [sizeof(wistream)]; 28 _ALIGNAS_TYPE (wostream) char wcout[sizeof(wostream)]; 29 _ALIGNAS_TYPE (wostream) char wcerr[sizeof(wostream)]; 30 _ALIGNAS_TYPE (wostream) char wclog[sizeof(wostream)]; 31 32 ios_base::Init __start_std_streams; 33 34 ios_base::Init::Init() 35 { 36 istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin) ); 37 ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout)); 38 ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr)); 39 ::new(clog) ostream(cerr_ptr->rdbuf()); 40 cin_ptr->tie(cout_ptr); 41 _VSTD::unitbuf(*cerr_ptr); 42 cerr_ptr->tie(cout_ptr); 43 44 wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin) ); 45 wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout)); 46 wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr)); 47 ::new(wclog) wostream(wcerr_ptr->rdbuf()); 48 wcin_ptr->tie(wcout_ptr); 49 _VSTD::unitbuf(*wcerr_ptr); 50 wcerr_ptr->tie(wcout_ptr); 51 } 52 53 ios_base::Init::~Init() 54 { 55 ostream* cout_ptr = (ostream*)cout; 56 ostream* clog_ptr = (ostream*)clog; 57 cout_ptr->flush(); 58 clog_ptr->flush(); 59 60 wostream* wcout_ptr = (wostream*)wcout; 61 wostream* wclog_ptr = (wostream*)wclog; 62 wcout_ptr->flush(); 63 wclog_ptr->flush(); 64 } 65 66 _LIBCPP_END_NAMESPACE_STD 67
