diff options
Diffstat (limited to 'contrib/libstdc++/config/io/basic_file_libio.cc')
| -rw-r--r-- | contrib/libstdc++/config/io/basic_file_libio.cc | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/contrib/libstdc++/config/io/basic_file_libio.cc b/contrib/libstdc++/config/io/basic_file_libio.cc new file mode 100644 index 0000000..60eb006 --- /dev/null +++ b/contrib/libstdc++/config/io/basic_file_libio.cc @@ -0,0 +1,194 @@ +// Wrapper of C-language FILE struct -*- C++ -*- + +// Copyright (C) 2000, 2001 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 2, 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. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +// +// ISO C++ 14882: 27.8 File-based streams +// + +#include <bits/basic_file.h> + +namespace std +{ + // __basic_file<char> definitions + __basic_file<char>::__basic_file(__c_lock* __lock) + { +#ifdef _IO_MTSAFE_IO + _lock = __lock; +#endif + // Don't set the orientation of the stream when initializing. +#ifdef _GLIBCPP_USE_WCHAR_T + _IO_no_init(this, 0, 0, &_M_wfile, 0); +#else /* !defined(_GLIBCPP_USE_WCHAR_T) */ + _IO_no_init(this, 0, 0, NULL, 0); +#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */ + _IO_JUMPS((_IO_FILE_plus *) this) = &_IO_file_jumps; + _IO_file_init((_IO_FILE_plus*)this); + } + + // NB: Unused. + int + __basic_file<char>::overflow(int __c) + { return _IO_file_overflow(this, __c); } + + // NB: Unused. + int + __basic_file<char>::underflow() + { return _IO_file_underflow(this); } + + // NB: Unused. + int + __basic_file<char>::uflow() + { return _IO_default_uflow(this); } + + // NB: Unused. + int + __basic_file<char>::pbackfail(int __c) + { return _IO_default_pbackfail(this, __c); } + + streamsize + __basic_file<char>::xsputn(const char* __s, streamsize __n) + { return _IO_file_xsputn(this, __s, __n); } + + streamoff + __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way, + ios_base::openmode __mode) + { return _IO_file_seekoff(this, __off, __way, __mode); } + + streamoff + __basic_file<char>::seekpos(streamoff __pos, ios_base::openmode __mode) + { return _IO_file_seekoff(this, __pos, ios_base::beg, __mode); } + + // NB: Unused. + streambuf* + __basic_file<char>::setbuf(char* __b, int __len) + { return (streambuf*) _IO_file_setbuf(this,__b, __len); } + + int + __basic_file<char>::sync() + { return _IO_file_sync(this); } + + // NB: Unused. + int + __basic_file<char>::doallocate() + { return _IO_file_doallocate(this); } + + // __basic_file<wchar_t> definitions +#ifdef _GLIBCPP_USE_WCHAR_T + __basic_file<wchar_t>::__basic_file(__c_lock* __lock) + { +#ifdef _IO_MTSAFE_IO + _lock = __lock; +#endif + // Don't set the orientation of the stream when initializing. + _IO_no_init(this, 0, 0, &_M_wfile, &_IO_wfile_jumps); + _IO_JUMPS((_IO_FILE_plus *) this) = &_IO_wfile_jumps; + _IO_file_init((_IO_FILE_plus*)this); + + // In addition, need to allocate the buffer... + _IO_wdoallocbuf(this); + // Setup initial positions for this buffer... + // if (!(_flags & _IO_NO_READS)) + _IO_wsetg(this, _wide_data->_IO_buf_base, _wide_data->_IO_buf_base, + _wide_data->_IO_buf_base); + // if (!(_flags & _IO_NO_WRITES)) + _IO_wsetp(this, _wide_data->_IO_buf_base, _wide_data->_IO_buf_base); + + // Setup codecvt bits... + _codecvt = &__c_libio_codecvt; + + // Do the same for narrow bits... + if (_IO_write_base == NULL) + { + _IO_doallocbuf(this); + // if (!(_flags & _IO_NO_READS)) + _IO_setg(this, _IO_buf_base, _IO_buf_base, _IO_buf_base); + // if (!(_flags & _IO_NO_WRITES)) + _IO_setp(this, _IO_buf_base, _IO_buf_base); + } + } + + int + __basic_file<wchar_t>::overflow(int __c) + { return _IO_wfile_overflow(this, __c); } + + int + __basic_file<wchar_t>::underflow() + { return _IO_wfile_underflow(this); } + + // NB: Unused. + int + __basic_file<wchar_t>::uflow() + { return _IO_wdefault_uflow(this); } + + // NB: Unused. + int + __basic_file<wchar_t>::pbackfail(int __c) + { return _IO_wdefault_pbackfail(this, __c); } + + streamsize + __basic_file<wchar_t>::xsputn(const wchar_t* __s, streamsize __n) + { return _IO_wfile_xsputn(this, __s, __n); } + + streamoff + __basic_file<wchar_t>::seekoff(streamoff __off, ios_base::seekdir __way, + ios_base::openmode __mode) + { return _IO_wfile_seekoff(this, __off, __way, __mode); } + + streamoff + __basic_file<wchar_t>::seekpos(streamoff __pos, ios_base::openmode __mode) + { return _IO_wfile_seekoff(this, __pos, ios_base::beg, __mode); } + + streambuf* + __basic_file<wchar_t>::setbuf(wchar_t* __b, int __len) + { return (streambuf*) _IO_wfile_setbuf(this,__b, __len); } + + int + __basic_file<wchar_t>::sync() + { return _IO_wfile_sync(this); } + + int + __basic_file<wchar_t>::doallocate() + { return _IO_wfile_doallocate(this); } +#endif + + // Need to instantiate base class here for type-info bits, etc + template struct __basic_file_base<char>; + template class __basic_file<char>; +#ifdef _GLIBCPP_USE_WCHAR_T + template struct __basic_file_base<wchar_t>; + template class __basic_file<wchar_t>; +#endif +} // namespace std + + + + + + + |
