diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/src/ios_init.cc')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/src/ios_init.cc | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/src/ios_init.cc b/gcc-4.4.3/libstdc++-v3/src/ios_init.cc deleted file mode 100644 index 5c53bcae8..000000000 --- a/gcc-4.4.3/libstdc++-v3/src/ios_init.cc +++ /dev/null @@ -1,199 +0,0 @@ -// Iostreams base classes -*- C++ -*- - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, -// 2006, 2007, 2008, 2009 -// Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -// -// ISO C++ 14882: 27.4 Iostreams base classes -// - -#include <ios> -#include <ostream> -#include <istream> -#include <fstream> -#include <ext/stdio_filebuf.h> -#include <ext/stdio_sync_filebuf.h> - -namespace __gnu_internal _GLIBCXX_VISIBILITY_ATTR(hidden) -{ - using namespace __gnu_cxx; - - // Extern declarations for global objects in src/globals.cc. - extern stdio_sync_filebuf<char> buf_cout_sync; - extern stdio_sync_filebuf<char> buf_cin_sync; - extern stdio_sync_filebuf<char> buf_cerr_sync; - - extern stdio_filebuf<char> buf_cout; - extern stdio_filebuf<char> buf_cin; - extern stdio_filebuf<char> buf_cerr; - -#ifdef _GLIBCXX_USE_WCHAR_T - extern stdio_sync_filebuf<wchar_t> buf_wcout_sync; - extern stdio_sync_filebuf<wchar_t> buf_wcin_sync; - extern stdio_sync_filebuf<wchar_t> buf_wcerr_sync; - - extern stdio_filebuf<wchar_t> buf_wcout; - extern stdio_filebuf<wchar_t> buf_wcin; - extern stdio_filebuf<wchar_t> buf_wcerr; -#endif -} // namespace __gnu_internal - -_GLIBCXX_BEGIN_NAMESPACE(std) - - using namespace __gnu_internal; - - extern istream cin; - extern ostream cout; - extern ostream cerr; - extern ostream clog; - -#ifdef _GLIBCXX_USE_WCHAR_T - extern wistream wcin; - extern wostream wcout; - extern wostream wcerr; - extern wostream wclog; -#endif - - ios_base::Init::Init() - { - if (__gnu_cxx::__exchange_and_add_dispatch(&_S_refcount, 1) == 0) - { - // Standard streams default to synced with "C" operations. - _S_synced_with_stdio = true; - - new (&buf_cout_sync) stdio_sync_filebuf<char>(stdout); - new (&buf_cin_sync) stdio_sync_filebuf<char>(stdin); - new (&buf_cerr_sync) stdio_sync_filebuf<char>(stderr); - - // The standard streams are constructed once only and never - // destroyed. - new (&cout) ostream(&buf_cout_sync); - new (&cin) istream(&buf_cin_sync); - new (&cerr) ostream(&buf_cerr_sync); - new (&clog) ostream(&buf_cerr_sync); - cin.tie(&cout); - cerr.flags(ios_base::unitbuf); - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 455. cerr::tie() and wcerr::tie() are overspecified. - cerr.tie(&cout); - -#ifdef _GLIBCXX_USE_WCHAR_T - new (&buf_wcout_sync) stdio_sync_filebuf<wchar_t>(stdout); - new (&buf_wcin_sync) stdio_sync_filebuf<wchar_t>(stdin); - new (&buf_wcerr_sync) stdio_sync_filebuf<wchar_t>(stderr); - - new (&wcout) wostream(&buf_wcout_sync); - new (&wcin) wistream(&buf_wcin_sync); - new (&wcerr) wostream(&buf_wcerr_sync); - new (&wclog) wostream(&buf_wcerr_sync); - wcin.tie(&wcout); - wcerr.flags(ios_base::unitbuf); - wcerr.tie(&wcout); -#endif - - // NB: Have to set refcount above one, so that standard - // streams are not re-initialized with uses of ios_base::Init - // besides <iostream> static object, ie just using <ios> with - // ios_base::Init objects. - __gnu_cxx::__atomic_add_dispatch(&_S_refcount, 1); - } - } - - ios_base::Init::~Init() - { - if (__gnu_cxx::__exchange_and_add_dispatch(&_S_refcount, -1) == 2) - { - // Catch any exceptions thrown by basic_ostream::flush() - __try - { - // Flush standard output streams as required by 27.4.2.1.6 - cout.flush(); - cerr.flush(); - clog.flush(); - -#ifdef _GLIBCXX_USE_WCHAR_T - wcout.flush(); - wcerr.flush(); - wclog.flush(); -#endif - } - __catch(...) - { } - } - } - - bool - ios_base::sync_with_stdio(bool __sync) - { - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 49. Underspecification of ios_base::sync_with_stdio - bool __ret = ios_base::Init::_S_synced_with_stdio; - - // Turn off sync with C FILE* for cin, cout, cerr, clog iff - // currently synchronized. - if (!__sync && __ret) - { - // Make sure the standard streams are constructed. - ios_base::Init __init; - - ios_base::Init::_S_synced_with_stdio = __sync; - - // Explicitly call dtors to free any memory that is - // dynamically allocated by filebuf ctor or member functions, - // but don't deallocate all memory by calling operator delete. - buf_cout_sync.~stdio_sync_filebuf<char>(); - buf_cin_sync.~stdio_sync_filebuf<char>(); - buf_cerr_sync.~stdio_sync_filebuf<char>(); - -#ifdef _GLIBCXX_USE_WCHAR_T - buf_wcout_sync.~stdio_sync_filebuf<wchar_t>(); - buf_wcin_sync.~stdio_sync_filebuf<wchar_t>(); - buf_wcerr_sync.~stdio_sync_filebuf<wchar_t>(); -#endif - - // Create stream buffers for the standard streams and use - // those buffers without destroying and recreating the - // streams. - new (&buf_cout) stdio_filebuf<char>(stdout, ios_base::out); - new (&buf_cin) stdio_filebuf<char>(stdin, ios_base::in); - new (&buf_cerr) stdio_filebuf<char>(stderr, ios_base::out); - cout.rdbuf(&buf_cout); - cin.rdbuf(&buf_cin); - cerr.rdbuf(&buf_cerr); - clog.rdbuf(&buf_cerr); - -#ifdef _GLIBCXX_USE_WCHAR_T - new (&buf_wcout) stdio_filebuf<wchar_t>(stdout, ios_base::out); - new (&buf_wcin) stdio_filebuf<wchar_t>(stdin, ios_base::in); - new (&buf_wcerr) stdio_filebuf<wchar_t>(stderr, ios_base::out); - wcout.rdbuf(&buf_wcout); - wcin.rdbuf(&buf_wcin); - wcerr.rdbuf(&buf_wcerr); - wclog.rdbuf(&buf_wcerr); -#endif - } - return __ret; - } - -_GLIBCXX_END_NAMESPACE |