1 //===------------------------ iostream.cpp --------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "__std_stream"
14 _LIBCPP_BEGIN_NAMESPACE_STD
16 alignas (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)];
17 alignas (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
18 alignas (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
19 alignas (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)];
20 alignas (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
21 alignas (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
23 alignas (istream) char cin [sizeof(istream)];
24 alignas (ostream) char cout[sizeof(ostream)];
25 alignas (ostream) char cerr[sizeof(ostream)];
26 alignas (ostream) char clog[sizeof(ostream)];
27 alignas (wistream) char wcin [sizeof(wistream)];
28 alignas (wostream) char wcout[sizeof(wostream)];
29 alignas (wostream) char wcerr[sizeof(wostream)];
30 alignas (wostream) char wclog[sizeof(wostream)];
32 ios_base::Init __start_std_streams;
34 ios_base::Init::Init()
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);
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);
53 ios_base::Init::~Init()
55 ostream* cout_ptr = (ostream*)cout;
56 ostream* clog_ptr = (ostream*)clog;
60 wostream* wcout_ptr = (wostream*)wcout;
61 wostream* wclog_ptr = (wostream*)wclog;
66 _LIBCPP_END_NAMESPACE_STD