You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.5 KiB
105 lines
3.5 KiB
/***************************************************************************
|
|
*
|
|
* ios.cc - Definition for the Standard Library iostreams
|
|
*
|
|
* $Id: ios.cc 172106 2011-11-02 17:04:12Z statham $
|
|
*
|
|
***************************************************************************
|
|
*
|
|
* Copyright (c) 1994-2001 Rogue Wave Software, Inc. All Rights Reserved.
|
|
*
|
|
* This computer software is owned by Rogue Wave Software, Inc. and is
|
|
* protected by U.S. copyright laws and other laws and by international
|
|
* treaties. This computer software is furnished by Rogue Wave Software,
|
|
* Inc. pursuant to a written license agreement and may be used, copied,
|
|
* transmitted, and stored only in accordance with the terms of such
|
|
* license and with the inclusion of the above copyright notice. This
|
|
* computer software or any other copies thereof may not be provided or
|
|
* otherwise made available to any other person.
|
|
*
|
|
* U.S. Government Restricted Rights. This computer software is provided
|
|
* with Restricted Rights. Use, duplication, or disclosure by the
|
|
* Government is subject to restrictions as set forth in subparagraph (c)
|
|
* (1) (ii) of The Rights in Technical Data and Computer Software clause
|
|
* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
|
|
* Commercial Computer Software--Restricted Rights at 48 CFR 52.227-19,
|
|
* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
|
|
* Flatiron Parkway, Boulder, Colorado 80301 USA.
|
|
*
|
|
**************************************************************************/
|
|
|
|
|
|
_RWSTD_NAMESPACE_BEGIN (std)
|
|
|
|
|
|
template<class _CharT, class _Traits>
|
|
basic_ios<_CharT, _Traits>&
|
|
basic_ios<_CharT, _Traits>::copyfmt (const basic_ios &__rhs)
|
|
{
|
|
if (this == &__rhs)
|
|
return *this;
|
|
|
|
// may lock, fires erase events (27.4.4.2, p17), never unlocks
|
|
_C_copyfmt (__rhs);
|
|
|
|
// may still be locked, just establish a guard
|
|
_RW::__rw_guard __guard (0);
|
|
if (!(flags () & _RWSTD_IOS_NOLOCK))
|
|
__guard._C_set (&_C_mutex);
|
|
|
|
_C_tiestrm = __rhs._C_tiestrm;
|
|
_C_fillch = __rhs._C_fillch;
|
|
|
|
_TRY {
|
|
// fire copy events (27.4.4.2, p17), may temporarily unlock or throw
|
|
_C_fire_event (copyfmt_event, true /* reentrant */);
|
|
|
|
// assign exceptions last (27.4.4.2, p15, bullet 2)
|
|
_C_except = __rhs._C_except;
|
|
}
|
|
_CATCH (...) {
|
|
// must still assign exceptions
|
|
_C_except = __rhs._C_except;
|
|
|
|
// just rethrow caught exception (don't call clear())
|
|
_RETHROW;
|
|
}
|
|
|
|
// leave state alone but throw an exception if necessary
|
|
_C_unsafe_clear (rdstate ());
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
template<class _CharT, class _Traits>
|
|
void basic_ios<_CharT, _Traits>::init (streambuf_type *__sb)
|
|
{
|
|
_RWSTD_MT_GUARD (flags () & _RWSTD_IOS_NOLOCK ? 0 : &_C_mutex);
|
|
|
|
// NOTE: `sb' may point to a yet uninitialized object
|
|
// it is unsafe to reference any of its members
|
|
|
|
_C_state = 0 != (_C_strmbuf = __sb) ? goodbit : badbit;
|
|
_C_tiestrm = 0;
|
|
_C_except = goodbit;
|
|
_C_fmtfl = skipws | dec;
|
|
_C_wide = 0;
|
|
_C_prec = 6;
|
|
_C_fillch = widen (' ');
|
|
|
|
#if defined (_RWSTD_MULTI_THREAD) \
|
|
&& !defined (_RWSTD_NO_EXT_REENTRANT_IO) \
|
|
&& !defined (_RWSTD_NO_REENTRANT_IO_DEFAULT)
|
|
|
|
// disable locking of iostream objects and their associated buffers
|
|
// standard iostream objects will override in ios_base::Init::Init()
|
|
_C_fmtfl |= _RWSTD_IOS_NOLOCK | _RWSTD_IOS_NOLOCKBUF;
|
|
|
|
#endif // _RWSTD_MULTI_THREAD && !_RWSTD_NO_REENTRANT_IO && ...
|
|
}
|
|
|
|
|
|
_RWSTD_NAMESPACE_END // std
|
|
|