author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 14 Apr 2010 17:44:02 +0300 | |
branch | RCL_3 |
changeset 17 | ef2ebc87518f |
parent 0 | e4d67989cc36 |
child 45 | 4b03adbd26ca |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 1999 |
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* Silicon Graphics Computer Systems, Inc. |
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* |
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* Copyright (c) 1999 |
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* Boris Fomitchev |
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* |
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* This material is provided "as is", with absolutely no warranty expressed |
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* or implied. Any use is at your own risk. |
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* |
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* Permission to use or copy this software for any purpose is hereby granted |
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* without fee, provided the above notices are retained on all copies. |
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* Permission to modify the code and to distribute modified code is granted, |
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* provided the above notices are retained, and a notice that the code was |
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* modified is included with the above copyright notice. |
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* |
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*/ |
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#ifndef _STLP_OSTREAM_C |
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#define _STLP_OSTREAM_C |
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|
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#ifndef _STLP_INTERNAL_OSTREAM_H |
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# include <stl/_ostream.h> |
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#endif |
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#if !defined (_STLP_INTERNAL_NUM_PUT_H) |
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# include <stl/_num_put.h> // For basic_streambuf and iterators |
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#endif |
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_STLP_BEGIN_NAMESPACE |
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//---------------------------------------------------------------------- |
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// Definitions of non-inline member functions. |
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// Constructor, destructor |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>::basic_ostream(basic_streambuf<_CharT, _Traits>* __buf) |
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: basic_ios<_CharT, _Traits>() { |
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this->init(__buf); |
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} |
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// Output directly from a streambuf. |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<_CharT, _Traits>* __from) { |
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sentry __sentry(*this); |
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if (__sentry) { |
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if (__from) { |
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bool __any_inserted = __from->gptr() != __from->egptr() |
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? this->_M_copy_buffered(__from, this->rdbuf()) |
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: this->_M_copy_unbuffered(__from, this->rdbuf()); |
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if (!__any_inserted) |
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this->setstate(ios_base::failbit); |
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} |
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else |
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this->setstate(ios_base::badbit); |
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} |
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return *this; |
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} |
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// Helper functions for the streambuf version of operator<<. The |
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// exception-handling code is complicated because exceptions thrown |
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// while extracting characters are treated differently than exceptions |
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// thrown while inserting characters. |
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template <class _CharT, class _Traits> |
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bool basic_ostream<_CharT, _Traits> |
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::_M_copy_buffered(basic_streambuf<_CharT, _Traits>* __from, |
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basic_streambuf<_CharT, _Traits>* __to) { |
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bool __any_inserted = false; |
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while (__from->egptr() != __from->gptr()) { |
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const ptrdiff_t __avail = __from->egptr() - __from->gptr(); |
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streamsize __nwritten; |
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_STLP_TRY { |
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__nwritten = __to->sputn(__from->gptr(), __avail); |
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__from->gbump((int)__nwritten); |
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} |
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_STLP_CATCH_ALL { |
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this->_M_handle_exception(ios_base::badbit); |
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return __any_inserted; |
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} |
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|
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if (__nwritten == __avail) { |
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_STLP_TRY { |
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if (this->_S_eof(__from->sgetc())) |
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return true; |
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else |
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__any_inserted = true; |
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} |
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_STLP_CATCH_ALL { |
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this->_M_handle_exception(ios_base::failbit); |
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return false; |
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} |
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} |
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else if (__nwritten != 0) |
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return true; |
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else |
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return __any_inserted; |
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} |
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106 |
|
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// No characters are in the buffer, but we aren't at EOF. Switch to |
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// unbuffered mode. |
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return __any_inserted || this->_M_copy_unbuffered(__from, __to); |
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} |
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111 |
|
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/* |
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* Helper struct (guard) to put back a character in a streambuf |
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* whenever an exception or an eof occur. |
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*/ |
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template <class _CharT, class _Traits> |
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struct _SPutBackC { |
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typedef basic_streambuf<_CharT, _Traits> _StreamBuf; |
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typedef typename _StreamBuf::int_type int_type; |
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_SPutBackC(_StreamBuf *pfrom) |
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: __pfrom(pfrom), __c(0), __do_guard(false) {} |
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~_SPutBackC() { |
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if (__do_guard) { |
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__pfrom->sputbackc(_Traits::to_char_type(__c)); |
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} |
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} |
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127 |
|
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void guard(int_type c) { |
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__c = c; |
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__do_guard = true; |
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} |
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void release() { |
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__do_guard = false; |
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} |
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135 |
|
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private: |
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_StreamBuf *__pfrom; |
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int_type __c; |
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bool __do_guard; |
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}; |
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141 |
|
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template <class _CharT, class _Traits> |
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bool basic_ostream<_CharT, _Traits> |
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::_M_copy_unbuffered(basic_streambuf<_CharT, _Traits>* __from, |
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basic_streambuf<_CharT, _Traits>* __to) { |
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typedef _SPutBackC<_CharT, _Traits> _SPutBackCGuard; |
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bool __any_inserted = false; |
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int_type __c; |
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149 |
|
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_STLP_TRY { |
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_SPutBackCGuard __cguard(__from); |
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for (;;) { |
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_STLP_TRY { |
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__c = __from->sbumpc(); |
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} |
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_STLP_CATCH_ALL { |
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this->_M_handle_exception(ios_base::failbit); |
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return __any_inserted; |
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} |
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160 |
|
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if ( this->_S_eof(__c) ) |
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return __any_inserted; |
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|
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__cguard.guard(__c); |
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if ( this->_S_eof( __to->sputc(_Traits::to_char_type(__c)) ) ) { |
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return __any_inserted; |
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} |
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|
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__cguard.release(); |
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__any_inserted = true; |
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} |
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} |
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_STLP_CATCH_ALL { |
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this->_M_handle_exception(ios_base::badbit); |
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return __any_inserted; |
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} |
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} |
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|
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_STLP_MOVE_TO_PRIV_NAMESPACE |
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|
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// Helper function for numeric output. |
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template <class _CharT, class _Traits, class _Number> |
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basic_ostream<_CharT, _Traits>& _STLP_CALL |
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__put_num(basic_ostream<_CharT, _Traits>& __os, _Number __x) { |
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typedef typename basic_ostream<_CharT, _Traits>::sentry _Sentry; |
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_Sentry __sentry(__os); |
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bool __failed = true; |
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|
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if (__sentry) { |
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_STLP_TRY { |
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typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> > _NumPut; |
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__failed = (use_facet<_NumPut>(__os.getloc())).put(ostreambuf_iterator<_CharT, _Traits>(__os.rdbuf()), |
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__os, __os.fill(), |
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__x).failed(); |
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} |
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_STLP_CATCH_ALL { |
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__os._M_handle_exception(ios_base::badbit); |
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} |
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} |
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if (__failed) |
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__os.setstate(ios_base::badbit); |
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return __os; |
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} |
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|
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_STLP_MOVE_TO_STD_NAMESPACE |
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|
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/* |
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* In the following operators we try to limit code bloat by limiting the |
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* number of __put_num instanciations. |
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*/ |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(short __x) { |
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_STLP_STATIC_ASSERT( sizeof(short) <= sizeof(long) ) |
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long __tmp = ((this->flags() & _Basic_ios::basefield) != ios_base::dec) ? |
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__STATIC_CAST(long, __STATIC_CAST(unsigned short, __x)): __x; |
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return _STLP_PRIV __put_num(*this, __tmp); |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(unsigned short __x) { |
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_STLP_STATIC_ASSERT( sizeof(unsigned short) <= sizeof(unsigned long) ) |
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return _STLP_PRIV __put_num(*this, __STATIC_CAST(unsigned long,__x)); |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(int __x) { |
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_STLP_STATIC_ASSERT( sizeof(int) <= sizeof(long) ) |
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long __tmp = ((this->flags() & _Basic_ios::basefield) != ios_base::dec) ? |
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__STATIC_CAST(long, __STATIC_CAST(unsigned int, __x)): __x; |
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return _STLP_PRIV __put_num(*this, __tmp); |
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} |
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|
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template <class _CharT, class _Traits> |
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#if defined (_WIN64) || !defined (_STLP_MSVC) || (_STLP_MSVC < 1300) |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(unsigned int __x) { |
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_STLP_STATIC_ASSERT( sizeof(unsigned int) <= sizeof(unsigned long) ) |
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#else |
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/* We define this operator with size_t rather than unsigned int to avoid |
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* 64 bits warning. |
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*/ |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(size_t __x) { |
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_STLP_STATIC_ASSERT( sizeof(size_t) <= sizeof(unsigned long) ) |
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#endif |
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return _STLP_PRIV __put_num(*this, __STATIC_CAST(unsigned long,__x)); |
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} |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(long __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(unsigned long __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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|
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#ifdef _STLP_LONG_LONG |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<< (_STLP_LONG_LONG __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<< (unsigned _STLP_LONG_LONG __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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#endif |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(float __x) |
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{ return _STLP_PRIV __put_num(*this, __STATIC_CAST(double,__x)); } |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(double __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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|
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#ifndef _STLP_NO_LONG_DOUBLE |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(long double __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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#endif |
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|
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(const void* __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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|
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#ifndef _STLP_NO_BOOL |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>::operator<<(bool __x) |
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{ return _STLP_PRIV __put_num(*this, __x); } |
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#endif |
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|
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template <class _CharT, class _Traits> |
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void basic_ostream<_CharT, _Traits>::_M_put_char(_CharT __c) { |
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sentry __sentry(*this); |
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if (__sentry) { |
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bool __failed = true; |
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_STLP_TRY { |
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streamsize __npad = this->width() > 0 ? this->width() - 1 : 0; |
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// if (__npad <= 1) |
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if (__npad == 0) |
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__failed = this->_S_eof(this->rdbuf()->sputc(__c)); |
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else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { |
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__failed = this->_S_eof(this->rdbuf()->sputc(__c)); |
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__failed = __failed || |
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this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
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} |
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else { |
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305 |
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
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|
306 |
__failed = __failed || this->_S_eof(this->rdbuf()->sputc(__c)); |
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|
307 |
} |
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|
308 |
|
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|
309 |
this->width(0); |
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|
310 |
} |
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|
311 |
_STLP_CATCH_ALL { |
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|
312 |
this->_M_handle_exception(ios_base::badbit); |
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|
313 |
} |
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|
314 |
|
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|
315 |
if (__failed) |
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|
316 |
this->setstate(ios_base::badbit); |
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|
317 |
} |
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|
318 |
} |
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|
319 |
|
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|
320 |
template <class _CharT, class _Traits> |
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|
321 |
void basic_ostream<_CharT, _Traits>::_M_put_nowiden(const _CharT* __s) { |
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|
322 |
sentry __sentry(*this); |
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|
323 |
if (__sentry) { |
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|
324 |
bool __failed = true; |
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|
325 |
streamsize __n = _Traits::length(__s); |
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|
326 |
streamsize __npad = this->width() > __n ? this->width() - __n : 0; |
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|
327 |
|
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|
328 |
_STLP_TRY { |
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|
329 |
if (__npad == 0) |
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|
330 |
__failed = this->rdbuf()->sputn(__s, __n) != __n; |
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|
331 |
else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { |
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|
332 |
__failed = this->rdbuf()->sputn(__s, __n) != __n; |
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|
333 |
__failed = __failed || |
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|
334 |
this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
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|
335 |
} |
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|
336 |
else { |
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|
337 |
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
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|
338 |
__failed = __failed || this->rdbuf()->sputn(__s, __n) != __n; |
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|
339 |
} |
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|
340 |
|
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|
341 |
this->width(0); |
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|
342 |
} |
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|
343 |
_STLP_CATCH_ALL { |
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|
344 |
this->_M_handle_exception(ios_base::badbit); |
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|
345 |
} |
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|
346 |
|
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|
347 |
if (__failed) |
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|
348 |
this->setstate(ios_base::failbit); |
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|
349 |
} |
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|
350 |
} |
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|
351 |
|
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|
352 |
template <class _CharT, class _Traits> |
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|
353 |
void basic_ostream<_CharT, _Traits>::_M_put_widen(const char* __s) { |
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|
354 |
sentry __sentry(*this); |
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|
355 |
if (__sentry) { |
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|
356 |
bool __failed = true; |
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|
357 |
streamsize __n = char_traits<char>::length(__s); |
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|
358 |
streamsize __npad = this->width() > __n ? this->width() - __n : 0; |
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|
359 |
|
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|
360 |
_STLP_TRY { |
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|
361 |
if (__npad == 0) |
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|
362 |
__failed = !this->_M_put_widen_aux(__s, __n); |
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|
363 |
else if ((this->flags() & ios_base::adjustfield) == ios_base::left) { |
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parents:
diff
changeset
|
364 |
__failed = !this->_M_put_widen_aux(__s, __n); |
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Revision: 201002
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parents:
diff
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|
365 |
__failed = __failed || |
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Revision: 201002
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parents:
diff
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|
366 |
this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
367 |
} |
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parents:
diff
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|
368 |
else { |
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parents:
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|
369 |
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad; |
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parents:
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|
370 |
__failed = __failed || !this->_M_put_widen_aux(__s, __n); |
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Revision: 201002
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parents:
diff
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|
371 |
} |
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Revision: 201002
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parents:
diff
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|
372 |
|
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Revision: 201002
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parents:
diff
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|
373 |
this->width(0); |
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Revision: 201002
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diff
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|
374 |
} |
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Revision: 201002
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parents:
diff
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|
375 |
_STLP_CATCH_ALL { |
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Revision: 201002
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|
376 |
this->_M_handle_exception(ios_base::badbit); |
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Revision: 201002
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parents:
diff
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|
377 |
} |
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|
378 |
|
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Revision: 201002
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|
379 |
if (__failed) |
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Revision: 201002
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changeset
|
380 |
this->setstate(ios_base::failbit); |
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Revision: 201002
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parents:
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|
381 |
} |
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Revision: 201002
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|
382 |
} |
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Revision: 201002
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diff
changeset
|
383 |
|
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Revision: 201002
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parents:
diff
changeset
|
384 |
template <class _CharT, class _Traits> |
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changeset
|
385 |
bool basic_ostream<_CharT, _Traits>::_M_put_widen_aux(const char* __s, |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
386 |
streamsize __n) { |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
387 |
basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf(); |
e4d67989cc36
Revision: 201002
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diff
changeset
|
388 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
389 |
for ( ; __n > 0 ; --__n) |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
390 |
if (this->_S_eof(__buf->sputc(this->widen(*__s++)))) |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
391 |
return false; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
392 |
return true; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
393 |
} |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
394 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
395 |
// Unformatted output of a single character. |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
396 |
template <class _CharT, class _Traits> |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
basic_ostream<_CharT, _Traits>& |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
basic_ostream<_CharT, _Traits>::put(char_type __c) { |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
sentry __sentry(*this); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
bool __failed = true; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
401 |
|
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
if (__sentry) { |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
_STLP_TRY { |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
__failed = this->_S_eof(this->rdbuf()->sputc(__c)); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
_STLP_CATCH_ALL { |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
this->_M_handle_exception(ios_base::badbit); |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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} |
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} |
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|
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if (__failed) |
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this->setstate(ios_base::badbit); |
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|
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return *this; |
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} |
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|
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// Unformatted output of a single character. |
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template <class _CharT, class _Traits> |
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basic_ostream<_CharT, _Traits>& |
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basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n) { |
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sentry __sentry(*this); |
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bool __failed = true; |
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|
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if (__sentry) { |
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_STLP_TRY { |
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__failed = this->rdbuf()->sputn(__s, __n) != __n; |
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} |
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_STLP_CATCH_ALL { |
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this->_M_handle_exception(ios_base::badbit); |
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} |
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} |
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|
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if (__failed) |
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this->setstate(ios_base::badbit); |
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|
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return *this; |
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} |
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|
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_STLP_END_NAMESPACE |
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|
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#endif /* _STLP_OSTREAM_C */ |
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|
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// Local Variables: |
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// mode:C++ |
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// End: |