From 006621455482edd8abf46a05292120745f99f7ec Mon Sep 17 00:00:00 2001 From: Enrico Zini Date: Tue, 29 Sep 2009 15:08:02 +0100 Subject: Initial import --- rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html | 1039 +++++++++++++++++++++ 1 file changed, 1039 insertions(+) create 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 new file mode 100644 index 0000000..091c26d --- /dev/null +++ b/rep/usr/include/c++/4.3/bits/ios_base.h.gcov.html @@ -0,0 +1,1039 @@ + + + + + + + LCOV - lcov.info - /usr/include/c++/4.3/bits/ios_base.h + + + + + + + + + + + + + +
LTP GCOV extension - code coverage report
+ + + + + + + + + + + + + + + + + + + + + + + +
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
+
+ + + + + + + + +

+       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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+
+ + + -- cgit v1.2.3