OSDN Git Service

2011-12-29 Paolo Carlini <paolo.carlini@oracle.com>
[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / include / bits / ostream.tcc
index 77bce26..c0dce6a 100644 (file)
@@ -1,9 +1,13 @@
-// Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+// ostream classes -*- C++ -*-
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009, 2010, 2011
+// 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)
+// 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,
 // 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.
+// 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/>.
 
-// 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.
+/** @file bits/ostream.tcc
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly. @headername{ostream}
+ */
 
 //
 // ISO C++ 14882: 27.6.2  Output streams
 //
 
-#include <bits/std_locale.h>
+#ifndef _OSTREAM_TCC
+#define _OSTREAM_TCC 1
+
+#pragma GCC system_header
+
+#include <bits/cxxabi_forced.h>
 
-namespace std {
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   template<typename _CharT, typename _Traits>
     basic_ostream<_CharT, _Traits>::sentry::
-    sentry(basic_ostream<_CharT,_Traits>& __os)
-    : _M_ok(__os.good()), _M_os(__os)
-    {
-      // XXX MT 
-      if (_M_ok && __os.tie())
-       __os.tie()->flush();  
-    }
-  
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::
-    operator<<(__ostream_type& (*__pf)(__ostream_type&))
-    {
-      sentry __cerb(*this);
-      if (__cerb)
-       { 
-         try {
-             __pf(*this);
-         }
-         catch(exception& __fail){
-           // 27.6.2.5.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return *this;
-    }
-  
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::
-    operator<<(__ios_type& (*__pf)(__ios_type&))
+    sentry(basic_ostream<_CharT, _Traits>& __os)
+    : _M_ok(false), _M_os(__os)
     {
-      sentry __cerb(*this);
-      if (__cerb)
-       { 
-         try {
-             __pf(*this);
-         }
-         catch(exception& __fail){
-           // 27.6.2.5.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return *this;
-    }
+      // XXX MT
+      if (__os.tie() && __os.good())
+       __os.tie()->flush();
 
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::
-    operator<<(ios_base& (*__pf)(ios_base&))
-    {
-      sentry __cerb(*this);
-      if (__cerb)
-       { 
-         try {
-             __pf(*this);
-         }
-         catch(exception& __fail){
-           // 27.6.2.5.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return *this;
+      if (__os.good())
+       _M_ok = true;
+      else
+       __os.setstate(ios_base::failbit);
     }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(bool __n)
-    {
-      sentry __cerb(*this);
-      if (__cerb) 
-       {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
+    template<typename _ValueT>
+      basic_ostream<_CharT, _Traits>&
+      basic_ostream<_CharT, _Traits>::
+      _M_insert(_ValueT __v)
+      {
+       sentry __cerb(*this);
+       if (__cerb)
+         {
+           ios_base::iostate __err = ios_base::goodbit;
+           __try
+             {
+               const __num_put_type& __np = __check_facet(this->_M_num_put);
+               if (__np.put(*this, *this, this->fill(), __v).failed())
+                 __err |= ios_base::badbit;
+             }
+           __catch(__cxxabiv1::__forced_unwind&)
+             {
+               this->_M_setstate(ios_base::badbit);            
+               __throw_exception_again;
+             }
+           __catch(...)
+             { this->_M_setstate(ios_base::badbit); }
+           if (__err)
+             this->setstate(__err);
          }
-       }
-      return *this;
-    }
+       return *this;
+      }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(long __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(short __n)
     {
-      sentry __cerb(*this);
-      if (__cerb) 
-       {
-         try {
-           bool __f;
-           ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
-           if (__fmt & ios_base::oct || __fmt & ios_base::hex)
-             __f = _M_fnumput->put(*this, *this, this->fill(), 
-                                   static_cast<unsigned long>(__n)).failed();
-           else
-             __f = _M_fnumput->put(*this, *this, this->fill(), __n).failed();
-
-           if (__f)  
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return *this;
+      // _GLIBCXX_RESOLVE_LIB_DEFECTS
+      // 117. basic_ostream uses nonexistent num_put member functions.
+      const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
+      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
+       return _M_insert(static_cast<long>(static_cast<unsigned short>(__n)));
+      else
+       return _M_insert(static_cast<long>(__n));
     }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(unsigned long __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(int __n)
     {
-      sentry __cerb(*this);
-      if (__cerb) 
-       {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return *this;
+      // _GLIBCXX_RESOLVE_LIB_DEFECTS
+      // 117. basic_ostream uses nonexistent num_put member functions.
+      const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
+      if (__fmt == ios_base::oct || __fmt == ios_base::hex)
+       return _M_insert(static_cast<long>(static_cast<unsigned int>(__n)));
+      else
+       return _M_insert(static_cast<long>(__n));
     }
-
-#ifdef _GLIBCPP_USE_LONG_LONG
+  
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(long long __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    operator<<(__streambuf_type* __sbin)
     {
+      ios_base::iostate __err = ios_base::goodbit;
       sentry __cerb(*this);
-      if (__cerb
+      if (__cerb && __sbin)
        {
-         try {
-           bool __f;
-           ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
-           if (__fmt & ios_base::oct || __fmt & ios_base::hex)
-             __f = _M_fnumput->put(*this, *this, this->fill(), 
-                              static_cast<unsigned long long>(__n)).failed();
-           else
-             __f = _M_fnumput->put(*this, *this, this->fill(), __n).failed();
-
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
+         __try
+           {
+             if (!__copy_streambufs(__sbin, this->rdbuf()))
+               __err |= ios_base::failbit;
+           }
+         __catch(__cxxabiv1::__forced_unwind&)
+           {
+             this->_M_setstate(ios_base::badbit);              
              __throw_exception_again;
-         }
+           }
+         __catch(...)
+           { this->_M_setstate(ios_base::failbit); }
        }
+      else if (!__sbin)
+       __err |= ios_base::badbit;
+      if (__err)
+       this->setstate(__err);
       return *this;
     }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(unsigned long long __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    put(char_type __c)
     {
+      // _GLIBCXX_RESOLVE_LIB_DEFECTS
+      // DR 60. What is a formatted input function?
+      // basic_ostream::put(char_type) is an unformatted output function.
+      // DR 63. Exception-handling policy for unformatted output.
+      // Unformatted output functions should catch exceptions thrown
+      // from streambuf members.
       sentry __cerb(*this);
-      if (__cerb) 
+      if (__cerb)
        {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
+         ios_base::iostate __err = ios_base::goodbit;
+         __try
+           {
+             const int_type __put = this->rdbuf()->sputc(__c);
+             if (traits_type::eq_int_type(__put, traits_type::eof()))
+               __err |= ios_base::badbit;
+           }
+         __catch(__cxxabiv1::__forced_unwind&)
+           {
+             this->_M_setstate(ios_base::badbit);              
              __throw_exception_again;
-         }
+           }
+         __catch(...)
+           { this->_M_setstate(ios_base::badbit); }
+         if (__err)
+           this->setstate(__err);
        }
       return *this;
     }
-#endif
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(double __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    write(const _CharT* __s, streamsize __n)
     {
+      // _GLIBCXX_RESOLVE_LIB_DEFECTS
+      // DR 60. What is a formatted input function?
+      // basic_ostream::write(const char_type*, streamsize) is an
+      // unformatted output function.
+      // DR 63. Exception-handling policy for unformatted output.
+      // Unformatted output functions should catch exceptions thrown
+      // from streambuf members.
       sentry __cerb(*this);
-      if (__cerb) 
+      if (__cerb)
        {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
+         __try
+           { _M_write(__s, __n); }
+         __catch(__cxxabiv1::__forced_unwind&)
+           {
+             this->_M_setstate(ios_base::badbit);              
              __throw_exception_again;
-         }
+           }
+         __catch(...)
+           { this->_M_setstate(ios_base::badbit); }
        }
       return *this;
     }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(long double __n)
+    basic_ostream<_CharT, _Traits>&
+    basic_ostream<_CharT, _Traits>::
+    flush()
     {
-      sentry __cerb(*this);
-      if (__cerb) 
+      // _GLIBCXX_RESOLVE_LIB_DEFECTS
+      // DR 60. What is a formatted input function?
+      // basic_ostream::flush() is *not* an unformatted output function.
+      ios_base::iostate __err = ios_base::goodbit;
+      __try
        {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
+         if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
+           __err |= ios_base::badbit;
        }
-      return *this;
-    }
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(const void* __n)
-    {
-      sentry __cerb(*this);
-      if (__cerb) 
+      __catch(__cxxabiv1::__forced_unwind&)
        {
-         try {
-           if (_M_fnumput->put(*this, *this, this->fill(), __n).failed())
-             this->setstate(ios_base::badbit);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           this->setstate(ios_base::badbit);
-           if ((this->exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
+         this->_M_setstate(ios_base::badbit);          
+         __throw_exception_again;
        }
+      __catch(...)
+       { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+       this->setstate(__err);
       return *this;
     }
 
   template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>& 
-    basic_ostream<_CharT, _Traits>::operator<<(__streambuf_type* __sbin)
-    {
-      streamsize __xtrct = 0;
-      __streambuf_type* __sbout = this->rdbuf();
-      sentry __cerb(*this);
-      if (__sbin && __cerb)
-       __xtrct = __copy_streambufs(*this, __sbin, __sbout);
-      if (!__sbin || !__xtrct)
-       this->setstate(ios_base::failbit);
-      return *this;
-    }
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>&
-    basic_ostream<_CharT, _Traits>::put(char_type __c)
-    { 
-      sentry __cerb(*this);
-      if (__cerb) 
-       {
-         int_type __put = rdbuf()->sputc(__c); 
-         if (__put != traits_type::to_int_type(__c))
-           this->setstate(ios_base::badbit);
-       }
-      return *this;
-    }
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>&
-    basic_ostream<_CharT, _Traits>::write(const _CharT* __s, streamsize __n)
+    typename basic_ostream<_CharT, _Traits>::pos_type
+    basic_ostream<_CharT, _Traits>::
+    tellp()
     {
-      sentry __cerb(*this);
-      if (__cerb)
+      pos_type __ret = pos_type(-1);
+      __try
        {
-         streamsize __put = this->rdbuf()->sputn(__s, __n);
-         if ( __put != __n)
-           this->setstate(ios_base::badbit);
+         if (!this->fail())
+           __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
        }
-      return *this;
-    }
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>&
-    basic_ostream<_CharT, _Traits>::flush()
-    {
-      sentry __cerb(*this);
-      if (__cerb) 
+      __catch(__cxxabiv1::__forced_unwind&)
        {
-         if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
-           this->setstate(ios_base::badbit);
+         this->_M_setstate(ios_base::badbit);          
+         __throw_exception_again;
        }
-      return *this;
-    }
-  
-  template<typename _CharT, typename _Traits>
-    typename basic_ostream<_CharT, _Traits>::pos_type
-    basic_ostream<_CharT, _Traits>::tellp()
-    {
-      pos_type __ret = pos_type(-1);
-      bool __testok = this->fail() != true;
-      
-      if (__testok)
-       __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
+      __catch(...)
+       { this->_M_setstate(ios_base::badbit); }
       return __ret;
     }
 
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>&
-    basic_ostream<_CharT, _Traits>::seekp(pos_type __pos)
-    {
-      bool __testok = this->fail() != true;
-      
-      if (__testok)
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-// 136.  seekp, seekg setting wrong streams?
-       this->rdbuf()->pubseekpos(__pos, ios_base::out);
-#endif
-      return *this;
-    }
-
   template<typename _CharT, typename _Traits>
     basic_ostream<_CharT, _Traits>&
     basic_ostream<_CharT, _Traits>::
-    seekp(off_type __off, ios_base::seekdir __d)
-    {
-      bool __testok = this->fail() != true;
-      
-      if (__testok)
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-// 136.  seekp, seekg setting wrong streams?
-       rdbuf()->pubseekoff(__off, __d, ios_base::out);
-#endif
-      return *this;
-    }
-
-  // 27.6.2.5.4 Character inserters
-
-  // Construct correctly padded string, as per 22.2.2.2.2
-  // Similar in theory to __pad_numeric, from num_put, but it doesn't
-  // use _S_fill: perhaps it should.
-  // Assumes 
-  // __newlen > __oldlen
-  // __news is allocated for __newlen size
-  template<typename _CharT, typename _Traits>
-    void
-    __pad_char(basic_ios<_CharT, _Traits>& __ios, 
-              _CharT* __news, const _CharT* __olds,
-              const streamsize __newlen, const streamsize __oldlen)
+    seekp(pos_type __pos)
     {
-      typedef _CharT   char_type;
-      typedef _Traits  traits_type;
-      typedef typename traits_type::int_type int_type;
-      
-      int_type __plen = static_cast<size_t>(__newlen - __oldlen); 
-      __extension__ char_type __pads[__plen];
-      traits_type::assign(__pads, __plen, __ios.fill()); 
-
-      char_type* __beg;
-      char_type* __end;
-      size_t __mod = 0;
-      size_t __beglen; //either __plen or __oldlen
-      ios_base::fmtflags __fmt = __ios.flags() & ios_base::adjustfield;
-
-      if (__fmt == ios_base::left)
-       {
-         // Padding last.
-         __beg = const_cast<char_type*>(__olds);
-         __beglen = __oldlen;
-         __end = __pads;
-       }
-      else if (__fmt == ios_base::internal)
+      ios_base::iostate __err = ios_base::goodbit;
+      __try
        {
-         // Pad after the sign, if there is one.
-         // Pad after 0[xX], if there is one.
-         // Who came up with these rules, anyway? Jeeze.
-         typedef _Format_cache<_CharT> __cache_type;
-         __cache_type const* __fmt = __cache_type::_S_get(__ios);
-         const char_type* __minus = traits_type::find(__olds, __oldlen, 
-                                                      __fmt->_S_minus);
-         const char_type* __plus = traits_type::find(__olds, __oldlen, 
-                                                     __fmt->_S_plus);
-         bool __testsign = __minus || __plus;
-         bool __testhex = __olds[0] == '0' 
-                          && (__olds[1] == 'x' || __olds[1] == 'X');
-
-         if (__testhex)
-           {
-             __news[0] = __olds[0]; 
-             __news[1] = __olds[1];
-             __mod += 2;
-             __beg = const_cast<char_type*>(__olds + __mod);
-             __beglen = __oldlen - __mod;
-             __end = __pads;
-           }
-         else if (__testsign)
+         if (!this->fail())
            {
-             __mod += __plen;
-             const char_type* __sign = __minus ? __minus + 1: __plus + 1;
-             __beg = const_cast<char_type*>(__olds);
-             __beglen = __sign - __olds;
-             __end = const_cast<char_type*>(__sign + __plen);
-             traits_type::copy(__news + __beglen, __pads, __plen);
-           }
-         else
-           {
-             // Padding first.
-             __beg = __pads;
-             __beglen = __plen;
-             __end = const_cast<char_type*>(__olds);
+             // _GLIBCXX_RESOLVE_LIB_DEFECTS
+             // 136.  seekp, seekg setting wrong streams?
+             const pos_type __p = this->rdbuf()->pubseekpos(__pos,
+                                                            ios_base::out);
+
+             // 129. Need error indication from seekp() and seekg()
+             if (__p == pos_type(off_type(-1)))
+               __err |= ios_base::failbit;
            }
        }
-      else
+      __catch(__cxxabiv1::__forced_unwind&)
        {
-         // Padding first.
-         __beg = __pads;
-         __beglen = __plen;
-         __end = const_cast<char_type*>(__olds);
+         this->_M_setstate(ios_base::badbit);          
+         __throw_exception_again;
        }
-
-      traits_type::copy(__news, __beg, __beglen);
-      traits_type::copy(__news + __beglen, __end, __newlen - __beglen - __mod);
+      __catch(...)
+       { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+       this->setstate(__err);
+      return *this;
     }
 
   template<typename _CharT, typename _Traits>
     basic_ostream<_CharT, _Traits>&
-    operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
-    {
-      typedef basic_ostream<_CharT, _Traits> __ostream_type;
-      typename __ostream_type::sentry __cerb(__out);
-      if (__cerb)
-       {
-         try {
-           streamsize __w = __out.width();
-           __extension__ _CharT __pads[__w];
-           __pads[0] = __c;
-           streamsize __len = 1;
-           if (__w > __len)
-             {
-               __pad_char(__out, __pads, &__c, __w, __len);
-               __len = __w;
-             }
-           __out.write(__pads, __len);
-           __out.width(0);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           __out.setstate(ios_base::badbit);
-           if ((__out.exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return __out;
-    }
-
-  // Specialization
-  template <class _Traits> 
-    basic_ostream<char, _Traits>&
-    operator<<(basic_ostream<char, _Traits>& __out, char __c)
+    basic_ostream<_CharT, _Traits>::
+    seekp(off_type __off, ios_base::seekdir __dir)
     {
-      typedef basic_ostream<char, _Traits> __ostream_type;
-      typename __ostream_type::sentry __cerb(__out);
-      if (__cerb)
+      ios_base::iostate __err = ios_base::goodbit;
+      __try
        {
-         try {
-           streamsize __w = __out.width();
-           __extension__ char __pads[__w + 1];
-           __pads[0] = __c;
-           streamsize __len = 1;
-           if (__w > __len)
-             {
-               __pad_char(__out, __pads, &__c, __w, __len);
-               __len = __w;
-             }
-           __out.write(__pads, __len);
-           __out.width(0);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           __out.setstate(ios_base::badbit);
-           if ((__out.exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
+         if (!this->fail())
+           {
+             // _GLIBCXX_RESOLVE_LIB_DEFECTS
+             // 136.  seekp, seekg setting wrong streams?
+             const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
+                                                            ios_base::out);
+
+             // 129. Need error indication from seekp() and seekg()
+             if (__p == pos_type(off_type(-1)))
+               __err |= ios_base::failbit;
+           }
        }
-      return __out;
-     }
-
-  template<typename _CharT, typename _Traits>
-    basic_ostream<_CharT, _Traits>&
-    operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
-    {
-      typedef basic_ostream<_CharT, _Traits> __ostream_type;
-      typename __ostream_type::sentry __cerb(__out);
-      if (__cerb)
+      __catch(__cxxabiv1::__forced_unwind&)
        {
-         try {
-           streamsize __w = __out.width();
-           _CharT __pads[__w];
-           streamsize __len = static_cast<streamsize>(_Traits::length(__s));
-           if (__w > __len)
-             {
-               __pad_char(__out, __pads, __s, __w, __len);
-               __s = __pads;
-               __len = __w;
-             }
-           __out.write(__s, __len);
-           __out.width(0);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           __out.setstate(ios_base::badbit);
-           if ((__out.exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
+         this->_M_setstate(ios_base::badbit);          
+         __throw_exception_again;
        }
-      return __out;
+      __catch(...)
+       { this->_M_setstate(ios_base::badbit); }
+      if (__err)
+       this->setstate(__err);
+      return *this;
     }
 
   template<typename _CharT, typename _Traits>
     basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
     {
-      typedef basic_ostream<_CharT, _Traits> __ostream_type;
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-// 167.  Improper use of traits_type::length()
-      typedef char_traits<char>                     __ctraits_type;
-#endif
-      typename __ostream_type::sentry __cerb(__out);
-      if (__cerb)
-       {
-         size_t __clen = __ctraits_type::length(__s);
-         __extension__ _CharT __ws[__clen + 1];
-         for (size_t  __i = 0; __i <= __clen; ++__i)
-           __ws[__i] = __out.widen(__s[__i]);
-         _CharT* __str = __ws;
-         
-         try {
-           streamsize __len = static_cast<streamsize>(__clen);
-           streamsize __w = __out.width();
-           __extension__ _CharT __pads[__w];
-
-           if (__w > __len)
-             {
-               __pad_char(__out, __pads, __ws, __w, __len);
-               __str = __pads;
-               __len = __w;
-             }
-           __out.write(__str, __len);
-           __out.width(0);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           __out.setstate(ios_base::badbit);
-           if ((__out.exceptions() & ios_base::badbit) != 0)
-             __throw_exception_again;
-         }
-       }
-      return __out;
-    }
-
-  // Partial specializationss
-  template<class _Traits>
-    basic_ostream<char, _Traits>&
-    operator<<(basic_ostream<char, _Traits>& __out, const char* __s)
-    {
-      typedef basic_ostream<char, _Traits> __ostream_type;
-      typename __ostream_type::sentry __cerb(__out);
-      if (__cerb)
+      if (!__s)
+       __out.setstate(ios_base::badbit);
+      else
        {
-         try {
-           streamsize __w = __out.width();
-           __extension__ char __pads[__w];
-           streamsize __len = static_cast<streamsize>(_Traits::length(__s));
-           if (__w > __len)
+         // _GLIBCXX_RESOLVE_LIB_DEFECTS
+         // 167.  Improper use of traits_type::length()
+         const size_t __clen = char_traits<char>::length(__s);
+         __try
+           {
+             struct __ptr_guard
              {
-               __pad_char(__out, __pads, __s, __w, __len);
-               __s = __pads;
-               __len = __w;
-             }
-           __out.write(__s, __len);
-           __out.width(0);
-         }
-         catch(exception& __fail){
-           // 27.6.1.2.1 Common requirements.
-           // Turn this on without causing an ios::failure to be thrown.
-           __out.setstate(ios_base::badbit);
-           if ((__out.exceptions() & ios_base::badbit) != 0)
+               _CharT *__p;
+               __ptr_guard (_CharT *__ip): __p(__ip) { }
+               ~__ptr_guard() { delete[] __p; }
+               _CharT* __get() { return __p; }
+             } __pg (new _CharT[__clen]);
+
+             _CharT *__ws = __pg.__get();
+             for (size_t  __i = 0; __i < __clen; ++__i)
+               __ws[__i] = __out.widen(__s[__i]);
+             __ostream_insert(__out, __ws, __clen);
+           }
+         __catch(__cxxabiv1::__forced_unwind&)
+           {
+             __out._M_setstate(ios_base::badbit);
              __throw_exception_again;
-         }
+           }
+         __catch(...)
+           { __out._M_setstate(ios_base::badbit); }
        }
       return __out;
     }
 
-  // 21.3.7.8 basic_string::operator<<
-  template<typename _CharT, typename _Traits, typename _Alloc>
-    basic_ostream<_CharT, _Traits>&
-    operator<<(basic_ostream<_CharT, _Traits>& __out,
-              const basic_string<_CharT, _Traits, _Alloc>& __s)
-    { return (__out << __s.c_str()); }
+  // Inhibit implicit instantiations for required instantiations,
+  // which are defined via explicit instantiations elsewhere.
+#if _GLIBCXX_EXTERN_TEMPLATE
+  extern template class basic_ostream<char>;
+  extern template ostream& endl(ostream&);
+  extern template ostream& ends(ostream&);
+  extern template ostream& flush(ostream&);
+  extern template ostream& operator<<(ostream&, char);
+  extern template ostream& operator<<(ostream&, unsigned char);
+  extern template ostream& operator<<(ostream&, signed char);
+  extern template ostream& operator<<(ostream&, const char*);
+  extern template ostream& operator<<(ostream&, const unsigned char*);
+  extern template ostream& operator<<(ostream&, const signed char*);
+
+  extern template ostream& ostream::_M_insert(long);
+  extern template ostream& ostream::_M_insert(unsigned long);
+  extern template ostream& ostream::_M_insert(bool);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template ostream& ostream::_M_insert(long long);
+  extern template ostream& ostream::_M_insert(unsigned long long);
+#endif
+  extern template ostream& ostream::_M_insert(double);
+  extern template ostream& ostream::_M_insert(long double);
+  extern template ostream& ostream::_M_insert(const void*);
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+  extern template class basic_ostream<wchar_t>;
+  extern template wostream& endl(wostream&);
+  extern template wostream& ends(wostream&);
+  extern template wostream& flush(wostream&);
+  extern template wostream& operator<<(wostream&, wchar_t);
+  extern template wostream& operator<<(wostream&, char);
+  extern template wostream& operator<<(wostream&, const wchar_t*);
+  extern template wostream& operator<<(wostream&, const char*);
+
+  extern template wostream& wostream::_M_insert(long);
+  extern template wostream& wostream::_M_insert(unsigned long);
+  extern template wostream& wostream::_M_insert(bool);
+#ifdef _GLIBCXX_USE_LONG_LONG
+  extern template wostream& wostream::_M_insert(long long);
+  extern template wostream& wostream::_M_insert(unsigned long long);
+#endif
+  extern template wostream& wostream::_M_insert(double);
+  extern template wostream& wostream::_M_insert(long double);
+  extern template wostream& wostream::_M_insert(const void*);
+#endif
+#endif
 
+_GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
-// Local Variables:
-// mode:C++
-// End:
-
-
-
-
-
-
-
-
-
 
+#endif