From fb21a4dfe2c81640379f64855509fb7613530887 Mon Sep 17 00:00:00 2001 From: Enrico Zini Date: Wed, 9 Sep 2015 22:43:35 +0200 Subject: Removed wrongly added coverage report --- rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html | 1039 --------------------- 1 file changed, 1039 deletions(-) delete mode 100644 rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html (limited to 'rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html') diff --git a/rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html b/rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html deleted file mode 100644 index 091c26d..0000000 --- a/rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html +++ /dev/null @@ -1,1039 +0,0 @@ - - - - - - - LCOV - lcov.info - /usr/include/c++/4.3/bits/ios_base.h - - - - - - - - - - - - - -
LTP GCOV extension - code coverage report
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Current view:directory - usr/include/c++/4.3/bits - ios_base.h
Test:lcov.info
Date:2008-08-14Instrumented lines:30
Code covered:66.7 %Executed lines:20
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-       1                 : // Iostreams base classes -*- C++ -*-
-       2                 : 
-       3                 : // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-       4                 : // 2006, 2007, 2008
-       5                 : // Free Software Foundation, Inc.
-       6                 : //
-       7                 : // This file is part of the GNU ISO C++ Library.  This library is free
-       8                 : // software; you can redistribute it and/or modify it under the
-       9                 : // terms of the GNU General Public License as published by the
-      10                 : // Free Software Foundation; either version 2, or (at your option)
-      11                 : // any later version.
-      12                 : 
-      13                 : // This library is distributed in the hope that it will be useful,
-      14                 : // but WITHOUT ANY WARRANTY; without even the implied warranty of
-      15                 : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-      16                 : // GNU General Public License for more details.
-      17                 : 
-      18                 : // You should have received a copy of the GNU General Public License along
-      19                 : // with this library; see the file COPYING.  If not, write to the Free
-      20                 : // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-      21                 : // USA.
-      22                 : 
-      23                 : // As a special exception, you may use this file as part of a free software
-      24                 : // library without restriction.  Specifically, if other files instantiate
-      25                 : // templates or use macros or inline functions from this file, or you compile
-      26                 : // this file and link it with other files to produce an executable, this
-      27                 : // file does not by itself cause the resulting executable to be covered by
-      28                 : // the GNU General Public License.  This exception does not however
-      29                 : // invalidate any other reasons why the executable file might be covered by
-      30                 : // the GNU General Public License.
-      31                 : 
-      32                 : /** @file ios_base.h
-      33                 :  *  This is an internal header file, included by other library headers.
-      34                 :  *  You should not attempt to use it directly.
-      35                 :  */
-      36                 : 
-      37                 : //
-      38                 : // ISO C++ 14882: 27.4  Iostreams base classes
-      39                 : //
-      40                 : 
-      41                 : #ifndef _IOS_BASE_H
-      42                 : #define _IOS_BASE_H 1
-      43                 : 
-      44                 : #pragma GCC system_header
-      45                 : 
-      46                 : #include <ext/atomicity.h>
-      47                 : #include <bits/localefwd.h>
-      48                 : #include <bits/locale_classes.h>
-      49                 : #include <cstdio>  // For SEEK_CUR, SEEK_END
-      50                 : 
-      51                 : _GLIBCXX_BEGIN_NAMESPACE(std)
-      52                 : 
-      53                 :   // The following definitions of bitmask types are enums, not ints,
-      54                 :   // as permitted (but not required) in the standard, in order to provide
-      55                 :   // better type safety in iostream calls.  A side effect is that
-      56                 :   // expressions involving them are no longer compile-time constants.
-      57                 :   enum _Ios_Fmtflags 
-      58                 :     { 
-      59                 :       _S_boolalpha      = 1L << 0,
-      60                 :       _S_dec            = 1L << 1,
-      61                 :       _S_fixed          = 1L << 2,
-      62                 :       _S_hex            = 1L << 3,
-      63                 :       _S_internal       = 1L << 4,
-      64                 :       _S_left           = 1L << 5,
-      65                 :       _S_oct            = 1L << 6,
-      66                 :       _S_right          = 1L << 7,
-      67                 :       _S_scientific     = 1L << 8,
-      68                 :       _S_showbase       = 1L << 9,
-      69                 :       _S_showpoint      = 1L << 10,
-      70                 :       _S_showpos        = 1L << 11,
-      71                 :       _S_skipws         = 1L << 12,
-      72                 :       _S_unitbuf        = 1L << 13,
-      73                 :       _S_uppercase      = 1L << 14,
-      74                 :       _S_adjustfield    = _S_left | _S_right | _S_internal,
-      75                 :       _S_basefield      = _S_dec | _S_oct | _S_hex,
-      76                 :       _S_floatfield     = _S_scientific | _S_fixed,
-      77                 :       _S_ios_fmtflags_end = 1L << 16 
-      78                 :     };
-      79                 : 
-      80                 :   inline _Ios_Fmtflags
-      81              66 :   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
-      82              66 :   { return _Ios_Fmtflags(static_cast<int>(__a) & static_cast<int>(__b)); }
-      83                 : 
-      84                 :   inline _Ios_Fmtflags
-      85              33 :   operator|(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
-      86              33 :   { return _Ios_Fmtflags(static_cast<int>(__a) | static_cast<int>(__b)); }
-      87                 : 
-      88                 :   inline _Ios_Fmtflags
-      89                 :   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
-      90                 :   { return _Ios_Fmtflags(static_cast<int>(__a) ^ static_cast<int>(__b)); }
-      91                 : 
-      92                 :   inline _Ios_Fmtflags&
-      93              33 :   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
-      94              33 :   { return __a = __a | __b; }
-      95                 : 
-      96                 :   inline _Ios_Fmtflags&
-      97              33 :   operator&=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
-      98              33 :   { return __a = __a & __b; }
-      99                 : 
-     100                 :   inline _Ios_Fmtflags&
-     101                 :   operator^=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
-     102                 :   { return __a = __a ^ __b; }
-     103                 : 
-     104                 :   inline _Ios_Fmtflags
-     105              33 :   operator~(_Ios_Fmtflags __a)
-     106              33 :   { return _Ios_Fmtflags(~static_cast<int>(__a)); }
-     107                 : 
-     108                 : 
-     109                 :   enum _Ios_Openmode 
-     110                 :     { 
-     111                 :       _S_app            = 1L << 0,
-     112                 :       _S_ate            = 1L << 1,
-     113                 :       _S_bin            = 1L << 2,
-     114                 :       _S_in             = 1L << 3,
-     115                 :       _S_out            = 1L << 4,
-     116                 :       _S_trunc          = 1L << 5,
-     117                 :       _S_ios_openmode_end = 1L << 16 
-     118                 :     };
-     119                 : 
-     120                 :   inline _Ios_Openmode
-     121               0 :   operator&(_Ios_Openmode __a, _Ios_Openmode __b)
-     122               0 :   { return _Ios_Openmode(static_cast<int>(__a) & static_cast<int>(__b)); }
-     123                 : 
-     124                 :   inline _Ios_Openmode
-     125            1364 :   operator|(_Ios_Openmode __a, _Ios_Openmode __b)
-     126            1364 :   { return _Ios_Openmode(static_cast<int>(__a) | static_cast<int>(__b)); }
-     127                 : 
-     128                 :   inline _Ios_Openmode
-     129                 :   operator^(_Ios_Openmode __a, _Ios_Openmode __b)
-     130                 :   { return _Ios_Openmode(static_cast<int>(__a) ^ static_cast<int>(__b)); }
-     131                 : 
-     132                 :   inline _Ios_Openmode&
-     133                 :   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
-     134                 :   { return __a = __a | __b; }
-     135                 : 
-     136                 :   inline _Ios_Openmode&
-     137                 :   operator&=(_Ios_Openmode& __a, _Ios_Openmode __b)
-     138                 :   { return __a = __a & __b; }
-     139                 : 
-     140                 :   inline _Ios_Openmode&
-     141                 :   operator^=(_Ios_Openmode& __a, _Ios_Openmode __b)
-     142                 :   { return __a = __a ^ __b; }
-     143                 : 
-     144                 :   inline _Ios_Openmode
-     145                 :   operator~(_Ios_Openmode __a)
-     146                 :   { return _Ios_Openmode(~static_cast<int>(__a)); }
-     147                 : 
-     148                 : 
-     149                 :   enum _Ios_Iostate
-     150                 :     { 
-     151                 :       _S_goodbit                = 0,
-     152                 :       _S_badbit                 = 1L << 0,
-     153                 :       _S_eofbit                 = 1L << 1,
-     154                 :       _S_failbit                = 1L << 2,
-     155                 :       _S_ios_iostate_end = 1L << 16 
-     156                 :     };
-     157                 : 
-     158                 :   inline _Ios_Iostate
-     159               0 :   operator&(_Ios_Iostate __a, _Ios_Iostate __b)
-     160               0 :   { return _Ios_Iostate(static_cast<int>(__a) & static_cast<int>(__b)); }
-     161                 : 
-     162                 :   inline _Ios_Iostate
-     163               0 :   operator|(_Ios_Iostate __a, _Ios_Iostate __b)
-     164               0 :   { return _Ios_Iostate(static_cast<int>(__a) | static_cast<int>(__b)); }
-     165                 : 
-     166                 :   inline _Ios_Iostate
-     167                 :   operator^(_Ios_Iostate __a, _Ios_Iostate __b)
-     168                 :   { return _Ios_Iostate(static_cast<int>(__a) ^ static_cast<int>(__b)); }
-     169                 : 
-     170                 :   inline _Ios_Iostate&
-     171                 :   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
-     172                 :   { return __a = __a | __b; }
-     173                 : 
-     174                 :   inline _Ios_Iostate&
-     175                 :   operator&=(_Ios_Iostate& __a, _Ios_Iostate __b)
-     176                 :   { return __a = __a & __b; }
-     177                 : 
-     178                 :   inline _Ios_Iostate&
-     179                 :   operator^=(_Ios_Iostate& __a, _Ios_Iostate __b)
-     180                 :   { return __a = __a ^ __b; }
-     181                 : 
-     182                 :   inline _Ios_Iostate
-     183                 :   operator~(_Ios_Iostate __a)
-     184                 :   { return _Ios_Iostate(~static_cast<int>(__a)); }
-     185                 : 
-     186                 :   enum _Ios_Seekdir 
-     187                 :     { 
-     188                 :       _S_beg = 0,
-     189                 :       _S_cur = SEEK_CUR,
-     190                 :       _S_end = SEEK_END,
-     191                 :       _S_ios_seekdir_end = 1L << 16 
-     192                 :     };
-     193                 : 
-     194                 :   // 27.4.2  Class ios_base
-     195                 :   /**
-     196                 :    *  @brief  The base of the I/O class hierarchy.
-     197                 :    *
-     198                 :    *  This class defines everything that can be defined about I/O that does
-     199                 :    *  not depend on the type of characters being input or output.  Most
-     200                 :    *  people will only see @c ios_base when they need to specify the full
-     201                 :    *  name of the various I/O flags (e.g., the openmodes).
-     202                 :   */
-     203                 :   class ios_base
-     204                 :   {
-     205                 :   public:
-     206                 : 
-     207                 :     // 27.4.2.1.1  Class ios_base::failure
-     208                 :     /// These are thrown to indicate problems.  Doc me.
-     209                 :     class failure : public exception
-     210                 :     {
-     211                 :     public:
-     212                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
-     213                 :       // 48.  Use of non-existent exception constructor
-     214                 :       explicit
-     215                 :       failure(const string& __str) throw();
-     216                 : 
-     217                 :       // This declaration is not useless:
-     218                 :       // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
-     219                 :       virtual
-     220                 :       ~failure() throw();
-     221                 : 
-     222                 :       virtual const char*
-     223                 :       what() const throw();
-     224                 : 
-     225                 :     private:
-     226                 :       string _M_msg;
-     227                 :     };
-     228                 : 
-     229                 :     // 27.4.2.1.2  Type ios_base::fmtflags
-     230                 :     /**
-     231                 :      *  @brief This is a bitmask type.
-     232                 :      *
-     233                 :      *  @c "_Ios_Fmtflags" is implementation-defined, but it is valid to
-     234                 :      *  perform bitwise operations on these values and expect the Right
-     235                 :      *  Thing to happen.  Defined objects of type fmtflags are:
-     236                 :      *  - boolalpha
-     237                 :      *  - dec
-     238                 :      *  - fixed
-     239                 :      *  - hex
-     240                 :      *  - internal
-     241                 :      *  - left
-     242                 :      *  - oct
-     243                 :      *  - right
-     244                 :      *  - scientific
-     245                 :      *  - showbase
-     246                 :      *  - showpoint
-     247                 :      *  - showpos
-     248                 :      *  - skipws
-     249                 :      *  - unitbuf
-     250                 :      *  - uppercase
-     251                 :      *  - adjustfield
-     252                 :      *  - basefield
-     253                 :      *  - floatfield
-     254                 :     */
-     255                 :     typedef _Ios_Fmtflags fmtflags;
-     256                 : 
-     257                 :     /// Insert/extract @c bool in alphabetic rather than numeric format.
-     258                 :     static const fmtflags boolalpha =   _S_boolalpha;
-     259                 : 
-     260                 :     /// Converts integer input or generates integer output in decimal base.
-     261                 :     static const fmtflags dec =         _S_dec;
-     262                 : 
-     263                 :     /// Generate floating-point output in fixed-point notation.
-     264                 :     static const fmtflags fixed =       _S_fixed;
-     265                 : 
-     266                 :     /// Converts integer input or generates integer output in hexadecimal base.
-     267                 :     static const fmtflags hex =         _S_hex;
-     268                 : 
-     269                 :     /// Adds fill characters at a designated internal point in certain
-     270                 :     /// generated output, or identical to @c right if no such point is
-     271                 :     /// designated.
-     272                 :     static const fmtflags internal =    _S_internal;
-     273                 : 
-     274                 :     /// Adds fill characters on the right (final positions) of certain
-     275                 :     /// generated output.  (I.e., the thing you print is flush left.)
-     276                 :     static const fmtflags left =        _S_left;
-     277                 : 
-     278                 :     /// Converts integer input or generates integer output in octal base.
-     279                 :     static const fmtflags oct =         _S_oct;
-     280                 : 
-     281                 :     /// Adds fill characters on the left (initial positions) of certain
-     282                 :     /// generated output.  (I.e., the thing you print is flush right.)
-     283                 :     static const fmtflags right =       _S_right;
-     284                 : 
-     285                 :     /// Generates floating-point output in scientific notation.
-     286                 :     static const fmtflags scientific =  _S_scientific;
-     287                 : 
-     288                 :     /// Generates a prefix indicating the numeric base of generated integer
-     289                 :     /// output.
-     290                 :     static const fmtflags showbase =    _S_showbase;
-     291                 : 
-     292                 :     /// Generates a decimal-point character unconditionally in generated
-     293                 :     /// floating-point output.
-     294                 :     static const fmtflags showpoint =   _S_showpoint;
-     295                 : 
-     296                 :     /// Generates a + sign in non-negative generated numeric output.
-     297                 :     static const fmtflags showpos =     _S_showpos;
-     298                 : 
-     299                 :     /// Skips leading white space before certain input operations.
-     300                 :     static const fmtflags skipws =      _S_skipws;
-     301                 : 
-     302                 :     /// Flushes output after each output operation.
-     303                 :     static const fmtflags unitbuf =     _S_unitbuf;
-     304                 : 
-     305                 :     /// Replaces certain lowercase letters with their uppercase equivalents
-     306                 :     /// in generated output.
-     307                 :     static const fmtflags uppercase =   _S_uppercase;
-     308                 : 
-     309                 :     /// A mask of left|right|internal.  Useful for the 2-arg form of @c setf.
-     310                 :     static const fmtflags adjustfield = _S_adjustfield;
-     311                 : 
-     312                 :     /// A mask of dec|oct|hex.  Useful for the 2-arg form of @c setf.
-     313                 :     static const fmtflags basefield =   _S_basefield;
-     314                 : 
-     315                 :     /// A mask of scientific|fixed.  Useful for the 2-arg form of @c setf.
-     316                 :     static const fmtflags floatfield =  _S_floatfield;
-     317                 : 
-     318                 :     // 27.4.2.1.3  Type ios_base::iostate
-     319                 :     /**
-     320                 :      *  @brief This is a bitmask type.
-     321                 :      *
-     322                 :      *  @c "_Ios_Iostate" is implementation-defined, but it is valid to
-     323                 :      *  perform bitwise operations on these values and expect the Right
-     324                 :      *  Thing to happen.  Defined objects of type iostate are:
-     325                 :      *  - badbit
-     326                 :      *  - eofbit
-     327                 :      *  - failbit
-     328                 :      *  - goodbit
-     329                 :     */
-     330                 :     typedef _Ios_Iostate iostate;
-     331                 : 
-     332                 :     /// Indicates a loss of integrity in an input or output sequence (such
-     333                 :     /// as an irrecoverable read error from a file).
-     334                 :     static const iostate badbit =       _S_badbit;
-     335                 : 
-     336                 :     /// Indicates that an input operation reached the end of an input sequence.
-     337                 :     static const iostate eofbit =       _S_eofbit;
-     338                 : 
-     339                 :     /// Indicates that an input operation failed to read the expected
-     340                 :     /// characters, or that an output operation failed to generate the
-     341                 :     /// desired characters.
-     342                 :     static const iostate failbit =      _S_failbit;
-     343                 : 
-     344                 :     /// Indicates all is well.
-     345                 :     static const iostate goodbit =      _S_goodbit;
-     346                 : 
-     347                 :     // 27.4.2.1.4  Type ios_base::openmode
-     348                 :     /**
-     349                 :      *  @brief This is a bitmask type.
-     350                 :      *
-     351                 :      *  @c "_Ios_Openmode" is implementation-defined, but it is valid to
-     352                 :      *  perform bitwise operations on these values and expect the Right
-     353                 :      *  Thing to happen.  Defined objects of type openmode are:
-     354                 :      *  - app
-     355                 :      *  - ate
-     356                 :      *  - binary
-     357                 :      *  - in
-     358                 :      *  - out
-     359                 :      *  - trunc
-     360                 :     */
-     361                 :     typedef _Ios_Openmode openmode;
-     362                 : 
-     363                 :     /// Seek to end before each write.
-     364                 :     static const openmode app =         _S_app;
-     365                 : 
-     366                 :     /// Open and seek to end immediately after opening.
-     367                 :     static const openmode ate =         _S_ate;
-     368                 : 
-     369                 :     /// Perform input and output in binary mode (as opposed to text mode).
-     370                 :     /// This is probably not what you think it is; see
-     371                 :     /// http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#3 and
-     372                 :     /// http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more.
-     373                 :     static const openmode binary =      _S_bin;
-     374                 : 
-     375                 :     /// Open for input.  Default for @c ifstream and fstream.
-     376                 :     static const openmode in =          _S_in;
-     377                 : 
-     378                 :     /// Open for output.  Default for @c ofstream and fstream.
-     379                 :     static const openmode out =         _S_out;
-     380                 : 
-     381                 :     /// Open for input.  Default for @c ofstream.
-     382                 :     static const openmode trunc =       _S_trunc;
-     383                 : 
-     384                 :     // 27.4.2.1.5  Type ios_base::seekdir
-     385                 :     /**
-     386                 :      *  @brief This is an enumerated type.
-     387                 :      *
-     388                 :      *  @c "_Ios_Seekdir" is implementation-defined.  Defined values
-     389                 :      *  of type seekdir are:
-     390                 :      *  - beg
-     391                 :      *  - cur, equivalent to @c SEEK_CUR in the C standard library.
-     392                 :      *  - end, equivalent to @c SEEK_END in the C standard library.
-     393                 :     */
-     394                 :     typedef _Ios_Seekdir seekdir;
-     395                 : 
-     396                 :     /// Request a seek relative to the beginning of the stream.
-     397                 :     static const seekdir beg =          _S_beg;
-     398                 : 
-     399                 :     /// Request a seek relative to the current position within the sequence.
-     400                 :     static const seekdir cur =          _S_cur;
-     401                 : 
-     402                 :     /// Request a seek relative to the current end of the sequence.
-     403                 :     static const seekdir end =          _S_end;
-     404                 : 
-     405                 :     // Annex D.6
-     406                 :     typedef int io_state;
-     407                 :     typedef int open_mode;
-     408                 :     typedef int seek_dir;
-     409                 : 
-     410                 :     typedef std::streampos streampos;
-     411                 :     typedef std::streamoff streamoff;
-     412                 : 
-     413                 :     // Callbacks;
-     414                 :     /**
-     415                 :      *  @brief  The set of events that may be passed to an event callback.
-     416                 :      *
-     417                 :      *  erase_event is used during ~ios() and copyfmt().  imbue_event is used
-     418                 :      *  during imbue().  copyfmt_event is used during copyfmt().
-     419                 :     */
-     420                 :     enum event
-     421                 :     {
-     422                 :       erase_event,
-     423                 :       imbue_event,
-     424                 :       copyfmt_event
-     425                 :     };
-     426                 : 
-     427                 :     /**
-     428                 :      *  @brief  The type of an event callback function.
-     429                 :      *  @param  event  One of the members of the event enum.
-     430                 :      *  @param  ios_base  Reference to the ios_base object.
-     431                 :      *  @param  int  The integer provided when the callback was registered.
-     432                 :      *
-     433                 :      *  Event callbacks are user defined functions that get called during
-     434                 :      *  several ios_base and basic_ios functions, specifically imbue(),
-     435                 :      *  copyfmt(), and ~ios().
-     436                 :     */
-     437                 :     typedef void (*event_callback) (event, ios_base&, int);
-     438                 : 
-     439                 :     /**
-     440                 :      *  @brief  Add the callback __fn with parameter __index.
-     441                 :      *  @param  __fn  The function to add.
-     442                 :      *  @param  __index  The integer to pass to the function when invoked.
-     443                 :      *
-     444                 :      *  Registers a function as an event callback with an integer parameter to
-     445                 :      *  be passed to the function when invoked.  Multiple copies of the
-     446                 :      *  function are allowed.  If there are multiple callbacks, they are
-     447                 :      *  invoked in the order they were registered.
-     448                 :     */
-     449                 :     void
-     450                 :     register_callback(event_callback __fn, int __index);
-     451                 : 
-     452                 :   protected:
-     453                 :     //@{
-     454                 :     /**
-     455                 :      *  ios_base data members (doc me)
-     456                 :     */
-     457                 :     streamsize          _M_precision;
-     458                 :     streamsize          _M_width;
-     459                 :     fmtflags            _M_flags;
-     460                 :     iostate             _M_exception;
-     461                 :     iostate             _M_streambuf_state;
-     462                 :     //@}
-     463                 : 
-     464                 :     // 27.4.2.6  Members for callbacks
-     465                 :     // 27.4.2.6  ios_base callbacks
-     466                 :     struct _Callback_list
-     467                 :     {
-     468                 :       // Data Members
-     469                 :       _Callback_list*           _M_next;
-     470                 :       ios_base::event_callback  _M_fn;
-     471                 :       int                       _M_index;
-     472                 :       _Atomic_word              _M_refcount;  // 0 means one reference.
-     473                 : 
-     474                 :       _Callback_list(ios_base::event_callback __fn, int __index,
-     475                 :                      _Callback_list* __cb)
-     476                 :       : _M_next(__cb), _M_fn(__fn), _M_index(__index), _M_refcount(0) { }
-     477                 : 
-     478                 :       void
-     479                 :       _M_add_reference() { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
-     480                 : 
-     481                 :       // 0 => OK to delete.
-     482                 :       int
-     483                 :       _M_remove_reference() 
-     484                 :       { return __gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1); }
-     485                 :     };
-     486                 : 
-     487                 :      _Callback_list*    _M_callbacks;
-     488                 : 
-     489                 :     void
-     490                 :     _M_call_callbacks(event __ev) throw();
-     491                 : 
-     492                 :     void
-     493                 :     _M_dispose_callbacks(void);
-     494                 : 
-     495                 :     // 27.4.2.5  Members for iword/pword storage
-     496                 :     struct _Words
-     497                 :     {
-     498                 :       void*     _M_pword;
-     499                 :       long      _M_iword;
-     500                 :       _Words() : _M_pword(0), _M_iword(0) { }
-     501                 :     };
-     502                 : 
-     503                 :     // Only for failed iword/pword calls.
-     504                 :     _Words              _M_word_zero;
-     505                 : 
-     506                 :     // Guaranteed storage.
-     507                 :     // The first 5 iword and pword slots are reserved for internal use.
-     508                 :     enum { _S_local_word_size = 8 };
-     509                 :     _Words              _M_local_word[_S_local_word_size];
-     510                 : 
-     511                 :     // Allocated storage.
-     512                 :     int                 _M_word_size;
-     513                 :     _Words*             _M_word;
-     514                 : 
-     515                 :     _Words&
-     516                 :     _M_grow_words(int __index, bool __iword);
-     517                 : 
-     518                 :     // Members for locale and locale caching.
-     519                 :     locale              _M_ios_locale;
-     520                 : 
-     521                 :     void
-     522                 :     _M_init();
-     523                 : 
-     524                 :   public:
-     525                 : 
-     526                 :     // 27.4.2.1.6  Class ios_base::Init
-     527                 :     // Used to initialize standard streams. In theory, g++ could use
-     528                 :     // -finit-priority to order this stuff correctly without going
-     529                 :     // through these machinations.
-     530                 :     class Init
-     531                 :     {
-     532                 :       friend class ios_base;
-     533                 :     public:
-     534                 :       Init();
-     535                 :       ~Init();
-     536                 : 
-     537                 :     private:
-     538                 :       static _Atomic_word       _S_refcount;
-     539                 :       static bool               _S_synced_with_stdio;
-     540                 :     };
-     541                 : 
-     542                 :     // [27.4.2.2] fmtflags state functions
-     543                 :     /**
-     544                 :      *  @brief  Access to format flags.
-     545                 :      *  @return  The format control flags for both input and output.
-     546                 :     */
-     547                 :     fmtflags
-     548                 :     flags() const
-     549                 :     { return _M_flags; }
-     550                 : 
-     551                 :     /**
-     552                 :      *  @brief  Setting new format flags all at once.
-     553                 :      *  @param  fmtfl  The new flags to set.
-     554                 :      *  @return  The previous format control flags.
-     555                 :      *
-     556                 :      *  This function overwrites all the format flags with @a fmtfl.
-     557                 :     */
-     558                 :     fmtflags
-     559                 :     flags(fmtflags __fmtfl)
-     560                 :     {
-     561                 :       fmtflags __old = _M_flags;
-     562                 :       _M_flags = __fmtfl;
-     563                 :       return __old;
-     564                 :     }
-     565                 : 
-     566                 :     /**
-     567                 :      *  @brief  Setting new format flags.
-     568                 :      *  @param  fmtfl  Additional flags to set.
-     569                 :      *  @return  The previous format control flags.
-     570                 :      *
-     571                 :      *  This function sets additional flags in format control.  Flags that
-     572                 :      *  were previously set remain set.
-     573                 :     */
-     574                 :     fmtflags
-     575                 :     setf(fmtflags __fmtfl)
-     576                 :     {
-     577                 :       fmtflags __old = _M_flags;
-     578                 :       _M_flags |= __fmtfl;
-     579                 :       return __old;
-     580                 :     }
-     581                 : 
-     582                 :     /**
-     583                 :      *  @brief  Setting new format flags.
-     584                 :      *  @param  fmtfl  Additional flags to set.
-     585                 :      *  @param  mask  The flags mask for @a fmtfl.
-     586                 :      *  @return  The previous format control flags.
-     587                 :      *
-     588                 :      *  This function clears @a mask in the format flags, then sets
-     589                 :      *  @a fmtfl @c & @a mask.  An example mask is @c ios_base::adjustfield.
-     590                 :     */
-     591                 :     fmtflags
-     592              33 :     setf(fmtflags __fmtfl, fmtflags __mask)
-     593                 :     {
-     594              33 :       fmtflags __old = _M_flags;
-     595              33 :       _M_flags &= ~__mask;
-     596              33 :       _M_flags |= (__fmtfl & __mask);
-     597              33 :       return __old;
-     598                 :     }
-     599                 : 
-     600                 :     /**
-     601                 :      *  @brief  Clearing format flags.
-     602                 :      *  @param  mask  The flags to unset.
-     603                 :      *
-     604                 :      *  This function clears @a mask in the format flags.
-     605                 :     */
-     606                 :     void
-     607                 :     unsetf(fmtflags __mask)
-     608                 :     { _M_flags &= ~__mask; }
-     609                 : 
-     610                 :     /**
-     611                 :      *  @brief  Flags access.
-     612                 :      *  @return  The precision to generate on certain output operations.
-     613                 :      *
-     614                 :      *  Be careful if you try to give a definition of "precision" here; see
-     615                 :      *  DR 189.
-     616                 :     */
-     617                 :     streamsize
-     618                 :     precision() const
-     619                 :     { return _M_precision; }
-     620                 : 
-     621                 :     /**
-     622                 :      *  @brief  Changing flags.
-     623                 :      *  @param  prec  The new precision value.
-     624                 :      *  @return  The previous value of precision().
-     625                 :     */
-     626                 :     streamsize
-     627                 :     precision(streamsize __prec)
-     628                 :     {
-     629                 :       streamsize __old = _M_precision;
-     630                 :       _M_precision = __prec;
-     631                 :       return __old;
-     632                 :     }
-     633                 : 
-     634                 :     /**
-     635                 :      *  @brief  Flags access.
-     636                 :      *  @return  The minimum field width to generate on output operations.
-     637                 :      *
-     638                 :      *  "Minimum field width" refers to the number of characters.
-     639                 :     */
-     640                 :     streamsize
-     641                 :     width() const
-     642                 :     { return _M_width; }
-     643                 : 
-     644                 :     /**
-     645                 :      *  @brief  Changing flags.
-     646                 :      *  @param  wide  The new width value.
-     647                 :      *  @return  The previous value of width().
-     648                 :     */
-     649                 :     streamsize
-     650               0 :     width(streamsize __wide)
-     651                 :     {
-     652               0 :       streamsize __old = _M_width;
-     653               0 :       _M_width = __wide;
-     654               0 :       return __old;
-     655                 :     }
-     656                 : 
-     657                 :     // [27.4.2.4] ios_base static members
-     658                 :     /**
-     659                 :      *  @brief  Interaction with the standard C I/O objects.
-     660                 :      *  @param  sync  Whether to synchronize or not.
-     661                 :      *  @return  True if the standard streams were previously synchronized.
-     662                 :      *
-     663                 :      *  The synchronization referred to is @e only that between the standard
-     664                 :      *  C facilities (e.g., stdout) and the standard C++ objects (e.g.,
-     665                 :      *  cout).  User-declared streams are unaffected.  See
-     666                 :      *  http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#8 for more.
-     667                 :     */
-     668                 :     static bool
-     669                 :     sync_with_stdio(bool __sync = true);
-     670                 : 
-     671                 :     // [27.4.2.3] ios_base locale functions
-     672                 :     /**
-     673                 :      *  @brief  Setting a new locale.
-     674                 :      *  @param  loc  The new locale.
-     675                 :      *  @return  The previous locale.
-     676                 :      *
-     677                 :      *  Sets the new locale for this stream, and then invokes each callback
-     678                 :      *  with imbue_event.
-     679                 :     */
-     680                 :     locale
-     681                 :     imbue(const locale& __loc);
-     682                 : 
-     683                 :     /**
-     684                 :      *  @brief  Locale access
-     685                 :      *  @return  A copy of the current locale.
-     686                 :      *
-     687                 :      *  If @c imbue(loc) has previously been called, then this function
-     688                 :      *  returns @c loc.  Otherwise, it returns a copy of @c std::locale(),
-     689                 :      *  the global C++ locale.
-     690                 :     */
-     691                 :     locale
-     692                 :     getloc() const
-     693                 :     { return _M_ios_locale; }
-     694                 : 
-     695                 :     /**
-     696                 :      *  @brief  Locale access
-     697                 :      *  @return  A reference to the current locale.
-     698                 :      *
-     699                 :      *  Like getloc above, but returns a reference instead of
-     700                 :      *  generating a copy.
-     701                 :     */
-     702                 :     const locale&
-     703                 :     _M_getloc() const
-     704                 :     { return _M_ios_locale; }
-     705                 : 
-     706                 :     // [27.4.2.5] ios_base storage functions
-     707                 :     /**
-     708                 :      *  @brief  Access to unique indices.
-     709                 :      *  @return  An integer different from all previous calls.
-     710                 :      *
-     711                 :      *  This function returns a unique integer every time it is called.  It
-     712                 :      *  can be used for any purpose, but is primarily intended to be a unique
-     713                 :      *  index for the iword and pword functions.  The expectation is that an
-     714                 :      *  application calls xalloc in order to obtain an index in the iword and
-     715                 :      *  pword arrays that can be used without fear of conflict.
-     716                 :      *
-     717                 :      *  The implementation maintains a static variable that is incremented and
-     718                 :      *  returned on each invocation.  xalloc is guaranteed to return an index
-     719                 :      *  that is safe to use in the iword and pword arrays.
-     720                 :     */
-     721                 :     static int
-     722                 :     xalloc() throw();
-     723                 : 
-     724                 :     /**
-     725                 :      *  @brief  Access to integer array.
-     726                 :      *  @param  __ix  Index into the array.
-     727                 :      *  @return  A reference to an integer associated with the index.
-     728                 :      *
-     729                 :      *  The iword function provides access to an array of integers that can be
-     730                 :      *  used for any purpose.  The array grows as required to hold the
-     731                 :      *  supplied index.  All integers in the array are initialized to 0.
-     732                 :      *
-     733                 :      *  The implementation reserves several indices.  You should use xalloc to
-     734                 :      *  obtain an index that is safe to use.  Also note that since the array
-     735                 :      *  can grow dynamically, it is not safe to hold onto the reference.
-     736                 :     */
-     737                 :     long&
-     738                 :     iword(int __ix)
-     739                 :     {
-     740                 :       _Words& __word = (__ix < _M_word_size)
-     741                 :                         ? _M_word[__ix] : _M_grow_words(__ix, true);
-     742                 :       return __word._M_iword;
-     743                 :     }
-     744                 : 
-     745                 :     /**
-     746                 :      *  @brief  Access to void pointer array.
-     747                 :      *  @param  __ix  Index into the array.
-     748                 :      *  @return  A reference to a void* associated with the index.
-     749                 :      *
-     750                 :      *  The pword function provides access to an array of pointers that can be
-     751                 :      *  used for any purpose.  The array grows as required to hold the
-     752                 :      *  supplied index.  All pointers in the array are initialized to 0.
-     753                 :      *
-     754                 :      *  The implementation reserves several indices.  You should use xalloc to
-     755                 :      *  obtain an index that is safe to use.  Also note that since the array
-     756                 :      *  can grow dynamically, it is not safe to hold onto the reference.
-     757                 :     */
-     758                 :     void*&
-     759                 :     pword(int __ix)
-     760                 :     {
-     761                 :       _Words& __word = (__ix < _M_word_size)
-     762                 :                         ? _M_word[__ix] : _M_grow_words(__ix, false);
-     763                 :       return __word._M_pword;
-     764                 :     }
-     765                 : 
-     766                 :     // Destructor
-     767                 :     /**
-     768                 :      *  Invokes each callback with erase_event.  Destroys local storage.
-     769                 :      *
-     770                 :      *  Note that the ios_base object for the standard streams never gets
-     771                 :      *  destroyed.  As a result, any callbacks registered with the standard
-     772                 :      *  streams will not get invoked with erase_event (unless copyfmt is
-     773                 :      *  used).
-     774                 :     */
-     775                 :     virtual ~ios_base();
-     776                 : 
-     777                 :   protected:
-     778                 :     ios_base();
-     779                 : 
-     780                 :   // _GLIBCXX_RESOLVE_LIB_DEFECTS
-     781                 :   // 50.  Copy constructor and assignment operator of ios_base
-     782                 :   private:
-     783                 :     ios_base(const ios_base&);
-     784                 : 
-     785                 :     ios_base&
-     786                 :     operator=(const ios_base&);
-     787                 :   };
-     788                 : 
-     789                 :   // [27.4.5.1] fmtflags manipulators
-     790                 :   /// Calls base.setf(ios_base::boolalpha).
-     791                 :   inline ios_base&
-     792                 :   boolalpha(ios_base& __base)
-     793                 :   {
-     794                 :     __base.setf(ios_base::boolalpha);
-     795                 :     return __base;
-     796                 :   }
-     797                 : 
-     798                 :   /// Calls base.unsetf(ios_base::boolalpha).
-     799                 :   inline ios_base&
-     800                 :   noboolalpha(ios_base& __base)
-     801                 :   {
-     802                 :     __base.unsetf(ios_base::boolalpha);
-     803                 :     return __base;
-     804                 :   }
-     805                 : 
-     806                 :   /// Calls base.setf(ios_base::showbase).
-     807                 :   inline ios_base&
-     808                 :   showbase(ios_base& __base)
-     809                 :   {
-     810                 :     __base.setf(ios_base::showbase);
-     811                 :     return __base;
-     812                 :   }
-     813                 : 
-     814                 :   /// Calls base.unsetf(ios_base::showbase).
-     815                 :   inline ios_base&
-     816                 :   noshowbase(ios_base& __base)
-     817                 :   {
-     818                 :     __base.unsetf(ios_base::showbase);
-     819                 :     return __base;
-     820                 :   }
-     821                 : 
-     822                 :   /// Calls base.setf(ios_base::showpoint).
-     823                 :   inline ios_base&
-     824                 :   showpoint(ios_base& __base)
-     825                 :   {
-     826                 :     __base.setf(ios_base::showpoint);
-     827                 :     return __base;
-     828                 :   }
-     829                 : 
-     830                 :   /// Calls base.unsetf(ios_base::showpoint).
-     831                 :   inline ios_base&
-     832                 :   noshowpoint(ios_base& __base)
-     833                 :   {
-     834                 :     __base.unsetf(ios_base::showpoint);
-     835                 :     return __base;
-     836                 :   }
-     837                 : 
-     838                 :   /// Calls base.setf(ios_base::showpos).
-     839                 :   inline ios_base&
-     840                 :   showpos(ios_base& __base)
-     841                 :   {
-     842                 :     __base.setf(ios_base::showpos);
-     843                 :     return __base;
-     844                 :   }
-     845                 : 
-     846                 :   /// Calls base.unsetf(ios_base::showpos).
-     847                 :   inline ios_base&
-     848                 :   noshowpos(ios_base& __base)
-     849                 :   {
-     850                 :     __base.unsetf(ios_base::showpos);
-     851                 :     return __base;
-     852                 :   }
-     853                 : 
-     854                 :   /// Calls base.setf(ios_base::skipws).
-     855                 :   inline ios_base&
-     856                 :   skipws(ios_base& __base)
-     857                 :   {
-     858                 :     __base.setf(ios_base::skipws);
-     859                 :     return __base;
-     860                 :   }
-     861                 : 
-     862                 :   /// Calls base.unsetf(ios_base::skipws).
-     863                 :   inline ios_base&
-     864                 :   noskipws(ios_base& __base)
-     865                 :   {
-     866                 :     __base.unsetf(ios_base::skipws);
-     867                 :     return __base;
-     868                 :   }
-     869                 : 
-     870                 :   /// Calls base.setf(ios_base::uppercase).
-     871                 :   inline ios_base&
-     872                 :   uppercase(ios_base& __base)
-     873                 :   {
-     874                 :     __base.setf(ios_base::uppercase);
-     875                 :     return __base;
-     876                 :   }
-     877                 : 
-     878                 :   /// Calls base.unsetf(ios_base::uppercase).
-     879                 :   inline ios_base&
-     880                 :   nouppercase(ios_base& __base)
-     881                 :   {
-     882                 :     __base.unsetf(ios_base::uppercase);
-     883                 :     return __base;
-     884                 :   }
-     885                 : 
-     886                 :   /// Calls base.setf(ios_base::unitbuf).
-     887                 :   inline ios_base&
-     888                 :   unitbuf(ios_base& __base)
-     889                 :   {
-     890                 :      __base.setf(ios_base::unitbuf);
-     891                 :      return __base;
-     892                 :   }
-     893                 : 
-     894                 :   /// Calls base.unsetf(ios_base::unitbuf).
-     895                 :   inline ios_base&
-     896                 :   nounitbuf(ios_base& __base)
-     897                 :   {
-     898                 :      __base.unsetf(ios_base::unitbuf);
-     899                 :      return __base;
-     900                 :   }
-     901                 : 
-     902                 :   // [27.4.5.2] adjustfield manipulators
-     903                 :   /// Calls base.setf(ios_base::internal, ios_base::adjustfield).
-     904                 :   inline ios_base&
-     905              33 :   internal(ios_base& __base)
-     906                 :   {
-     907              33 :      __base.setf(ios_base::internal, ios_base::adjustfield);
-     908              33 :      return __base;
-     909                 :   }
-     910                 : 
-     911                 :   /// Calls base.setf(ios_base::left, ios_base::adjustfield).
-     912                 :   inline ios_base&
-     913                 :   left(ios_base& __base)
-     914                 :   {
-     915                 :     __base.setf(ios_base::left, ios_base::adjustfield);
-     916                 :     return __base;
-     917                 :   }
-     918                 : 
-     919                 :   /// Calls base.setf(ios_base::right, ios_base::adjustfield).
-     920                 :   inline ios_base&
-     921                 :   right(ios_base& __base)
-     922                 :   {
-     923                 :     __base.setf(ios_base::right, ios_base::adjustfield);
-     924                 :     return __base;
-     925                 :   }
-     926                 : 
-     927                 :   // [27.4.5.3] basefield manipulators
-     928                 :   /// Calls base.setf(ios_base::dec, ios_base::basefield).
-     929                 :   inline ios_base&
-     930                 :   dec(ios_base& __base)
-     931                 :   {
-     932                 :     __base.setf(ios_base::dec, ios_base::basefield);
-     933                 :     return __base;
-     934                 :   }
-     935                 : 
-     936                 :   /// Calls base.setf(ios_base::hex, ios_base::basefield).
-     937                 :   inline ios_base&
-     938                 :   hex(ios_base& __base)
-     939                 :   {
-     940                 :     __base.setf(ios_base::hex, ios_base::basefield);
-     941                 :     return __base;
-     942                 :   }
-     943                 : 
-     944                 :   /// Calls base.setf(ios_base::oct, ios_base::basefield).
-     945                 :   inline ios_base&
-     946                 :   oct(ios_base& __base)
-     947                 :   {
-     948                 :     __base.setf(ios_base::oct, ios_base::basefield);
-     949                 :     return __base;
-     950                 :   }
-     951                 : 
-     952                 :   // [27.4.5.4] floatfield manipulators
-     953                 :   /// Calls base.setf(ios_base::fixed, ios_base::floatfield).
-     954                 :   inline ios_base&
-     955                 :   fixed(ios_base& __base)
-     956                 :   {
-     957                 :     __base.setf(ios_base::fixed, ios_base::floatfield);
-     958                 :     return __base;
-     959                 :   }
-     960                 : 
-     961                 :   /// Calls base.setf(ios_base::scientific, ios_base::floatfield).
-     962                 :   inline ios_base&
-     963                 :   scientific(ios_base& __base)
-     964                 :   {
-     965                 :     __base.setf(ios_base::scientific, ios_base::floatfield);
-     966                 :     return __base;
-     967                 :   }
-     968                 : 
-     969                 : _GLIBCXX_END_NAMESPACE
-     970                 : 
-     971                 : #endif /* _IOS_BASE_H */
-     972                 : 
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