ostream.tcc

00001 // ostream classes -*- C++ -*-
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // You should have received a copy of the GNU General Public License along
00018 // with this library; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00020 // USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 //
00032 // ISO C++ 14882: 27.6.2  Output streams
00033 //
00034 
00035 #pragma GCC system_header
00036 
00037 #include <locale>
00038 
00039 namespace std 
00040 {
00041   template<typename _CharT, typename _Traits>
00042     basic_ostream<_CharT, _Traits>::sentry::
00043     sentry(basic_ostream<_CharT,_Traits>& __os)
00044     : _M_ok(__os.good()), _M_os(__os)
00045     {
00046       // XXX MT 
00047       if (_M_ok && __os.tie())
00048     __os.tie()->flush();  
00049     }
00050   
00051   template<typename _CharT, typename _Traits>
00052     basic_ostream<_CharT, _Traits>& 
00053     basic_ostream<_CharT, _Traits>::
00054     operator<<(__ostream_type& (*__pf)(__ostream_type&))
00055     {
00056       sentry __cerb(*this);
00057       if (__cerb)
00058     { 
00059       try 
00060         { __pf(*this); }
00061       catch(exception& __fail)
00062         {
00063           // 27.6.2.5.1 Common requirements.
00064           // Turn this on without causing an ios::failure to be thrown.
00065           this->setstate(ios_base::badbit);
00066           if ((this->exceptions() & ios_base::badbit) != 0)
00067         __throw_exception_again;
00068         }
00069     }
00070       return *this;
00071     }
00072   
00073   template<typename _CharT, typename _Traits>
00074     basic_ostream<_CharT, _Traits>& 
00075     basic_ostream<_CharT, _Traits>::
00076     operator<<(__ios_type& (*__pf)(__ios_type&))
00077     {
00078       sentry __cerb(*this);
00079       if (__cerb)
00080     { 
00081       try 
00082         { __pf(*this); }
00083       catch(exception& __fail)
00084         {
00085           // 27.6.2.5.1 Common requirements.
00086           // Turn this on without causing an ios::failure to be thrown.
00087           this->setstate(ios_base::badbit);
00088           if ((this->exceptions() & ios_base::badbit) != 0)
00089         __throw_exception_again;
00090         }
00091     }
00092       return *this;
00093     }
00094 
00095   template<typename _CharT, typename _Traits>
00096     basic_ostream<_CharT, _Traits>& 
00097     basic_ostream<_CharT, _Traits>::
00098     operator<<(ios_base& (*__pf)(ios_base&))
00099     {
00100       sentry __cerb(*this);
00101       if (__cerb)
00102     { 
00103       try 
00104         { __pf(*this); }
00105       catch(exception& __fail)
00106         {
00107           // 27.6.2.5.1 Common requirements.
00108           // Turn this on without causing an ios::failure to be thrown.
00109           this->setstate(ios_base::badbit);
00110           if ((this->exceptions() & ios_base::badbit) != 0)
00111         __throw_exception_again;
00112         }
00113     }
00114       return *this;
00115     }
00116 
00117   template<typename _CharT, typename _Traits>
00118     basic_ostream<_CharT, _Traits>& 
00119     basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sbin)
00120     {
00121       sentry __cerb(*this);
00122       if (__cerb && __sbin)
00123     {
00124       try
00125         {
00126           if (!__copy_streambufs(*this, __sbin, this->rdbuf()))
00127         this->setstate(ios_base::failbit);
00128         }
00129       catch(exception& __fail)
00130         {
00131           // 27.6.2.5.1 Common requirements.
00132           // Turn this on without causing an ios::failure to be thrown.
00133           this->setstate(ios_base::badbit);
00134           if ((this->exceptions() & ios_base::badbit) != 0)
00135         __throw_exception_again;
00136         }
00137     }
00138       else if (!__sbin)
00139     this->setstate(ios_base::badbit);
00140       return *this;
00141     }
00142 
00143   template<typename _CharT, typename _Traits>
00144     basic_ostream<_CharT, _Traits>& 
00145     basic_ostream<_CharT, _Traits>::operator<<(bool __n)
00146     {
00147       sentry __cerb(*this);
00148       if (__cerb) 
00149     {
00150       try 
00151         {
00152           if (_M_check_facet(_M_fnumput))
00153         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00154           this->setstate(ios_base::badbit);
00155         }
00156       catch(exception& __fail)
00157         {
00158           // 27.6.1.2.1 Common requirements.
00159           // Turn this on without causing an ios::failure to be thrown.
00160           this->setstate(ios_base::badbit);
00161           if ((this->exceptions() & ios_base::badbit) != 0)
00162         __throw_exception_again;
00163         }
00164     }
00165       return *this;
00166     }
00167 
00168   template<typename _CharT, typename _Traits>
00169     basic_ostream<_CharT, _Traits>& 
00170     basic_ostream<_CharT, _Traits>::operator<<(long __n)
00171     {
00172       sentry __cerb(*this);
00173       if (__cerb) 
00174     {
00175       try 
00176         {
00177           char_type __c = this->fill();
00178           ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
00179           if (_M_check_facet(_M_fnumput))
00180         {
00181           bool __b = false;
00182           if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
00183             {
00184               unsigned long __l = static_cast<unsigned long>(__n);
00185               __b = _M_fnumput->put(*this, *this, __c, __l).failed();
00186             }
00187           else
00188             __b = _M_fnumput->put(*this, *this, __c, __n).failed();
00189           if (__b)  
00190             this->setstate(ios_base::badbit);
00191         }
00192         }
00193       catch(exception& __fail)
00194         {
00195           // 27.6.1.2.1 Common requirements.
00196           // Turn this on without causing an ios::failure to be thrown.
00197           this->setstate(ios_base::badbit);
00198           if ((this->exceptions() & ios_base::badbit) != 0)
00199         __throw_exception_again;
00200         }
00201     }
00202       return *this;
00203     }
00204 
00205   template<typename _CharT, typename _Traits>
00206     basic_ostream<_CharT, _Traits>& 
00207     basic_ostream<_CharT, _Traits>::operator<<(unsigned long __n)
00208     {
00209       sentry __cerb(*this);
00210       if (__cerb) 
00211     {
00212       try 
00213         {
00214           if (_M_check_facet(_M_fnumput))
00215         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00216           this->setstate(ios_base::badbit);
00217         }
00218       catch(exception& __fail)
00219         {
00220           // 27.6.1.2.1 Common requirements.
00221           // Turn this on without causing an ios::failure to be thrown.
00222           this->setstate(ios_base::badbit);
00223           if ((this->exceptions() & ios_base::badbit) != 0)
00224         __throw_exception_again;
00225         }
00226     }
00227       return *this;
00228     }
00229 
00230 #ifdef _GLIBCPP_USE_LONG_LONG
00231   template<typename _CharT, typename _Traits>
00232     basic_ostream<_CharT, _Traits>& 
00233     basic_ostream<_CharT, _Traits>::operator<<(long long __n)
00234     {
00235       sentry __cerb(*this);
00236       if (__cerb) 
00237     {
00238       try 
00239         {
00240           char_type __c = this->fill();
00241           ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
00242           if (_M_check_facet(_M_fnumput))
00243         {
00244           bool __b = false;
00245           if ((__fmt & ios_base::oct) || (__fmt & ios_base::hex))
00246             {
00247               unsigned long long __l;
00248               __l = static_cast<unsigned long long>(__n);
00249               __b = _M_fnumput->put(*this, *this, __c, __l).failed();
00250             }
00251           else
00252             __b = _M_fnumput->put(*this, *this, __c, __n).failed();
00253           if (__b)  
00254             this->setstate(ios_base::badbit);
00255         }
00256         }
00257       catch(exception& __fail)
00258         {
00259           // 27.6.1.2.1 Common requirements.
00260           // Turn this on without causing an ios::failure to be thrown.
00261           this->setstate(ios_base::badbit);
00262           if ((this->exceptions() & ios_base::badbit) != 0)
00263         __throw_exception_again;
00264         }
00265     }
00266       return *this;
00267     }
00268 
00269   template<typename _CharT, typename _Traits>
00270     basic_ostream<_CharT, _Traits>& 
00271     basic_ostream<_CharT, _Traits>::operator<<(unsigned long long __n)
00272     {
00273       sentry __cerb(*this);
00274       if (__cerb) 
00275     {
00276       try 
00277         {
00278           if (_M_check_facet(_M_fnumput))
00279         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00280           this->setstate(ios_base::badbit);
00281         }
00282       catch(exception& __fail)
00283         {
00284           // 27.6.1.2.1 Common requirements.
00285           // Turn this on without causing an ios::failure to be thrown.
00286           this->setstate(ios_base::badbit);
00287           if ((this->exceptions() & ios_base::badbit) != 0)
00288         __throw_exception_again;
00289         }
00290     }
00291       return *this;
00292     }
00293 #endif
00294   
00295   template<typename _CharT, typename _Traits>
00296     basic_ostream<_CharT, _Traits>& 
00297     basic_ostream<_CharT, _Traits>::operator<<(double __n)
00298     {
00299       sentry __cerb(*this);
00300       if (__cerb) 
00301     {
00302       try 
00303         {
00304           if (_M_check_facet(_M_fnumput))
00305         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00306           this->setstate(ios_base::badbit);
00307         }
00308       catch(exception& __fail)
00309         {
00310           // 27.6.1.2.1 Common requirements.
00311           // Turn this on without causing an ios::failure to be thrown.
00312           this->setstate(ios_base::badbit);
00313           if ((this->exceptions() & ios_base::badbit) != 0)
00314         __throw_exception_again;
00315         }
00316     }
00317       return *this;
00318     }
00319   
00320   template<typename _CharT, typename _Traits>
00321     basic_ostream<_CharT, _Traits>& 
00322     basic_ostream<_CharT, _Traits>::operator<<(long double __n)
00323     {
00324       sentry __cerb(*this);
00325       if (__cerb) 
00326     {
00327       try 
00328         {
00329           if (_M_check_facet(_M_fnumput))
00330         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00331           this->setstate(ios_base::badbit);
00332         }
00333       catch(exception& __fail)
00334         {
00335           // 27.6.1.2.1 Common requirements.
00336           // Turn this on without causing an ios::failure to be thrown.
00337           this->setstate(ios_base::badbit);
00338           if ((this->exceptions() & ios_base::badbit) != 0)
00339         __throw_exception_again;
00340         }
00341     }
00342       return *this;
00343     }
00344 
00345   template<typename _CharT, typename _Traits>
00346     basic_ostream<_CharT, _Traits>& 
00347     basic_ostream<_CharT, _Traits>::operator<<(const void* __n)
00348     {
00349       sentry __cerb(*this);
00350       if (__cerb) 
00351     {
00352       try 
00353         {
00354           if (_M_check_facet(_M_fnumput))
00355         if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
00356           this->setstate(ios_base::badbit);
00357         }
00358       catch(exception& __fail)
00359         {
00360           // 27.6.1.2.1 Common requirements.
00361           // Turn this on without causing an ios::failure to be thrown.
00362           this->setstate(ios_base::badbit);
00363           if ((this->exceptions() & ios_base::badbit) != 0)
00364         __throw_exception_again;
00365         }
00366     }
00367       return *this;
00368     }
00369 
00370   template<typename _CharT, typename _Traits>
00371     basic_ostream<_CharT, _Traits>&
00372     basic_ostream<_CharT, _Traits>::put(char_type __c)
00373     { 
00374       sentry __cerb(*this);
00375       if (__cerb) 
00376     {
00377       int_type __put = rdbuf()->sputc(__c); 
00378       if (traits_type::eq_int_type(__put, traits_type::eof()))
00379         this->setstate(ios_base::badbit);
00380     }
00381       return *this;
00382     }
00383 
00384   template<typename _CharT, typename _Traits>
00385     basic_ostream<_CharT, _Traits>&
00386     basic_ostream<_CharT, _Traits>::write(const _CharT* __s, streamsize __n)
00387     {
00388       sentry __cerb(*this);
00389       if (__cerb)
00390     {
00391       streamsize __put = this->rdbuf()->sputn(__s, __n);
00392       if ( __put != __n)
00393         this->setstate(ios_base::badbit);
00394     }
00395       return *this;
00396     }
00397 
00398   template<typename _CharT, typename _Traits>
00399     basic_ostream<_CharT, _Traits>&
00400     basic_ostream<_CharT, _Traits>::flush()
00401     {
00402       sentry __cerb(*this);
00403       if (__cerb) 
00404     {
00405       if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
00406         this->setstate(ios_base::badbit);
00407     }
00408       return *this;
00409     }
00410   
00411   template<typename _CharT, typename _Traits>
00412     typename basic_ostream<_CharT, _Traits>::pos_type
00413     basic_ostream<_CharT, _Traits>::tellp()
00414     {
00415       pos_type __ret = pos_type(-1);
00416       if (!this->fail())
00417     __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
00418       return __ret;
00419     }
00420 
00421 
00422   template<typename _CharT, typename _Traits>
00423     basic_ostream<_CharT, _Traits>&
00424     basic_ostream<_CharT, _Traits>::seekp(pos_type __pos)
00425     {
00426       if (!this->fail())
00427     {
00428 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00429 // 136.  seekp, seekg setting wrong streams?
00430       pos_type __err = this->rdbuf()->pubseekpos(__pos, ios_base::out);
00431 
00432 // 129. Need error indication from seekp() and seekg()
00433       if (__err == pos_type(off_type(-1)))
00434         this->setstate(ios_base::failbit);
00435 #endif
00436     }
00437       return *this;
00438     }
00439 
00440   template<typename _CharT, typename _Traits>
00441     basic_ostream<_CharT, _Traits>&
00442     basic_ostream<_CharT, _Traits>::
00443     seekp(off_type __off, ios_base::seekdir __d)
00444     {
00445       if (!this->fail())
00446     {
00447 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00448 // 136.  seekp, seekg setting wrong streams?
00449       pos_type __err = this->rdbuf()->pubseekoff(__off, __d, 
00450                              ios_base::out);
00451 
00452 // 129. Need error indication from seekp() and seekg()
00453       if (__err == pos_type(off_type(-1)))
00454         this->setstate(ios_base::failbit);
00455 #endif
00456     }
00457       return *this;
00458     }
00459 
00460   // 27.6.2.5.4 Character inserters.
00461   template<typename _CharT, typename _Traits>
00462     basic_ostream<_CharT, _Traits>&
00463     operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
00464     {
00465       typedef basic_ostream<_CharT, _Traits> __ostream_type;
00466       typename __ostream_type::sentry __cerb(__out);
00467       if (__cerb)
00468     {
00469       try 
00470         {
00471           streamsize __w = __out.width();
00472           _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__w + 1)));
00473           __pads[0] = __c;
00474           streamsize __len = 1;
00475           if (__w > __len)
00476         {
00477           __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads, 
00478                          &__c, __w, __len, false);
00479           __len = __w;
00480         }
00481           __out.write(__pads, __len);
00482           __out.width(0);
00483         }
00484       catch(exception& __fail)
00485         {
00486           // 27.6.1.2.1 Common requirements.
00487           // Turn this on without causing an ios::failure to be thrown.
00488           __out.setstate(ios_base::badbit);
00489           if ((__out.exceptions() & ios_base::badbit) != 0)
00490         __throw_exception_again;
00491         }
00492     }
00493       return __out;
00494     }
00495   
00496   // Specializations.
00497   template <class _Traits> 
00498     basic_ostream<char, _Traits>&
00499     operator<<(basic_ostream<char, _Traits>& __out, char __c)
00500     {
00501       typedef basic_ostream<char, _Traits> __ostream_type;
00502       typename __ostream_type::sentry __cerb(__out);
00503       if (__cerb)
00504     {
00505       try 
00506         {
00507           streamsize __w = __out.width();
00508           char* __pads = static_cast<char*>(__builtin_alloca(__w + 1));
00509           __pads[0] = __c;
00510           streamsize __len = 1;
00511           if (__w > __len)
00512         {
00513           __pad<char, _Traits>::_S_pad(__out, __out.fill(), __pads, 
00514                            &__c, __w, __len, false);
00515           __len = __w;
00516         }
00517           __out.write(__pads, __len);
00518           __out.width(0);
00519         }
00520       catch(exception& __fail)
00521         {
00522           // 27.6.1.2.1 Common requirements.
00523           // Turn this on without causing an ios::failure to be thrown.
00524           __out.setstate(ios_base::badbit);
00525           if ((__out.exceptions() & ios_base::badbit) != 0)
00526         __throw_exception_again;
00527         }
00528     }
00529       return __out;
00530      }
00531 
00532   template<typename _CharT, typename _Traits>
00533     basic_ostream<_CharT, _Traits>&
00534     operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
00535     {
00536       typedef basic_ostream<_CharT, _Traits> __ostream_type;
00537       typename __ostream_type::sentry __cerb(__out);
00538       if (__cerb && __s)
00539     {
00540       try 
00541         {
00542           streamsize __w = __out.width();
00543           _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
00544           streamsize __len = static_cast<streamsize>(_Traits::length(__s));
00545           if (__w > __len)
00546         {
00547           __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads, 
00548                          __s, __w, __len, false);
00549           __s = __pads;
00550           __len = __w;
00551         }
00552           __out.write(__s, __len);
00553           __out.width(0);
00554         }
00555       catch(exception& __fail)
00556         {
00557           // 27.6.1.2.1 Common requirements.
00558           // Turn this on without causing an ios::failure to be thrown.
00559           __out.setstate(ios_base::badbit);
00560           if ((__out.exceptions() & ios_base::badbit) != 0)
00561         __throw_exception_again;
00562         }
00563     }
00564       else if (!__s)
00565     __out.setstate(ios_base::badbit);
00566       return __out;
00567     }
00568 
00569   template<typename _CharT, typename _Traits>
00570     basic_ostream<_CharT, _Traits>&
00571     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
00572     {
00573       typedef basic_ostream<_CharT, _Traits> __ostream_type;
00574 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00575 // 167.  Improper use of traits_type::length()
00576 // Note that this is only in 'Review' status.
00577       typedef char_traits<char>          __traits_type;
00578 #endif
00579       typename __ostream_type::sentry __cerb(__out);
00580       if (__cerb && __s)
00581     {
00582       size_t __clen = __traits_type::length(__s);
00583       _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__clen + 1)));
00584       for (size_t  __i = 0; __i < __clen; ++__i)
00585         __ws[__i] = __out.widen(__s[__i]);
00586       _CharT* __str = __ws;
00587       
00588       try 
00589         {
00590           streamsize __len = static_cast<streamsize>(__clen);
00591           streamsize __w = __out.width();
00592           _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
00593           
00594           if (__w > __len)
00595         {
00596           __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads, 
00597                          __ws, __w, __len, false);
00598           __str = __pads;
00599           __len = __w;
00600         }
00601           __out.write(__str, __len);
00602           __out.width(0);
00603         }
00604       catch(exception& __fail)
00605         {
00606           // 27.6.1.2.1 Common requirements.
00607           // Turn this on without causing an ios::failure to be thrown.
00608           __out.setstate(ios_base::badbit);
00609           if ((__out.exceptions() & ios_base::badbit) != 0)
00610         __throw_exception_again;
00611         }
00612     }
00613       else if (!__s)
00614     __out.setstate(ios_base::badbit);
00615       return __out;
00616     }
00617 
00618   // Partial specializations.
00619   template<class _Traits>
00620     basic_ostream<char, _Traits>&
00621     operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
00622     {
00623       typedef basic_ostream<char, _Traits> __ostream_type;
00624       typename __ostream_type::sentry __cerb(__out);
00625       if (__cerb && __s)
00626     {
00627       try 
00628         {
00629           streamsize __w = __out.width();
00630           char* __pads = static_cast<char*>(__builtin_alloca(__w));
00631           streamsize __len = static_cast<streamsize>(_Traits::length(__s));
00632 
00633           if (__w > __len)
00634         {
00635           __pad<char, _Traits>::_S_pad(__out, __out.fill(), __pads, 
00636                          __s, __w, __len, false);
00637           __s = __pads;
00638           __len = __w;
00639         }
00640           __out.write(__s, __len);
00641           __out.width(0);
00642         }
00643       catch(exception& __fail)
00644         {
00645           // 27.6.1.2.1 Common requirements.
00646           // Turn this on without causing an ios::failure to be thrown.
00647           __out.setstate(ios_base::badbit);
00648           if ((__out.exceptions() & ios_base::badbit) != 0)
00649         __throw_exception_again;
00650         }
00651     }
00652       else if (!__s)
00653     __out.setstate(ios_base::badbit);
00654       return __out;
00655     }
00656 
00657   // 21.3.7.9 basic_string::operator<<
00658   template<typename _CharT, typename _Traits, typename _Alloc>
00659     basic_ostream<_CharT, _Traits>&
00660     operator<<(basic_ostream<_CharT, _Traits>& __out,
00661            const basic_string<_CharT, _Traits, _Alloc>& __str)
00662     { 
00663       typedef basic_ostream<_CharT, _Traits> __ostream_type;
00664       typename __ostream_type::sentry __cerb(__out);
00665       if (__cerb)
00666     {
00667       const _CharT* __s = __str.data();
00668       streamsize __w = __out.width();
00669       _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
00670       streamsize __len = static_cast<streamsize>(__str.size());
00671 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00672       // 25. String operator<< uses width() value wrong
00673 #endif
00674       if (__w > __len)
00675         {
00676           __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __pads, __s, 
00677                          __w, __len, false);
00678           __s = __pads;
00679           __len = __w;
00680         }
00681       streamsize __res = __out.rdbuf()->sputn(__s, __len);
00682       __out.width(0);
00683       if (__res != __len)
00684         __out.setstate(ios_base::failbit);
00685     }
00686       return __out;
00687     }
00688 
00689   // Inhibit implicit instantiations for required instantiations,
00690   // which are defined via explicit instantiations elsewhere.  
00691   // NB:  This syntax is a GNU extension.
00692   extern template class basic_ostream<char>;
00693   extern template ostream& endl(ostream&);
00694   extern template ostream& ends(ostream&);
00695   extern template ostream& flush(ostream&);
00696   extern template ostream& operator<<(ostream&, char);
00697   extern template ostream& operator<<(ostream&, unsigned char);
00698   extern template ostream& operator<<(ostream&, signed char);
00699   extern template ostream& operator<<(ostream&, const char*);
00700   extern template ostream& operator<<(ostream&, const unsigned char*);
00701   extern template ostream& operator<<(ostream&, const signed char*);
00702 
00703 #ifdef _GLIBCPP_USE_WCHAR_T
00704   extern template class basic_ostream<wchar_t>;
00705   extern template wostream& endl(wostream&);
00706   extern template wostream& ends(wostream&);
00707   extern template wostream& flush(wostream&);
00708   extern template wostream& operator<<(wostream&, wchar_t);
00709   extern template wostream& operator<<(wostream&, char);
00710   extern template wostream& operator<<(wostream&, const wchar_t*);
00711   extern template wostream& operator<<(wostream&, const char*);
00712 #endif
00713 } // namespace std

Generated on Thu Nov 21 03:12:49 2002 for libstdc++-v3 Source by doxygen1.2.18-20021030