--- /dev/null
+// Iostreams base classes -*- C++ -*-
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009, 2010
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file bits/ios_base.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{ios}
+ */
+
+//
+// ISO C++ 14882: 27.4 Iostreams base classes
+//
+
+#ifndef _IOS_BASE_H
+#define _IOS_BASE_H 1
+
+#pragma GCC system_header
+
+#include <ext/atomicity.h>
+#include <bits/localefwd.h>
+#include <bits/locale_classes.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ // The following definitions of bitmask types are enums, not ints,
+ // as permitted (but not required) in the standard, in order to provide
+ // better type safety in iostream calls. A side effect is that
+ // expressions involving them are no longer compile-time constants.
+ enum _Ios_Fmtflags
+ {
+ _S_boolalpha = 1L << 0,
+ _S_dec = 1L << 1,
+ _S_fixed = 1L << 2,
+ _S_hex = 1L << 3,
+ _S_internal = 1L << 4,
+ _S_left = 1L << 5,
+ _S_oct = 1L << 6,
+ _S_right = 1L << 7,
+ _S_scientific = 1L << 8,
+ _S_showbase = 1L << 9,
+ _S_showpoint = 1L << 10,
+ _S_showpos = 1L << 11,
+ _S_skipws = 1L << 12,
+ _S_unitbuf = 1L << 13,
+ _S_uppercase = 1L << 14,
+ _S_adjustfield = _S_left | _S_right | _S_internal,
+ _S_basefield = _S_dec | _S_oct | _S_hex,
+ _S_floatfield = _S_scientific | _S_fixed,
+ _S_ios_fmtflags_end = 1L << 16
+ };
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
+ operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+ { return _Ios_Fmtflags(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
+ operator|(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+ { return _Ios_Fmtflags(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
+ operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
+ { return _Ios_Fmtflags(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Fmtflags
+ operator~(_Ios_Fmtflags __a)
+ { return _Ios_Fmtflags(~static_cast<int>(__a)); }
+
+ inline const _Ios_Fmtflags&
+ operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+ { return __a = __a | __b; }
+
+ inline const _Ios_Fmtflags&
+ operator&=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+ { return __a = __a & __b; }
+
+ inline const _Ios_Fmtflags&
+ operator^=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
+ { return __a = __a ^ __b; }
+
+
+ enum _Ios_Openmode
+ {
+ _S_app = 1L << 0,
+ _S_ate = 1L << 1,
+ _S_bin = 1L << 2,
+ _S_in = 1L << 3,
+ _S_out = 1L << 4,
+ _S_trunc = 1L << 5,
+ _S_ios_openmode_end = 1L << 16
+ };
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Openmode
+ operator&(_Ios_Openmode __a, _Ios_Openmode __b)
+ { return _Ios_Openmode(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Openmode
+ operator|(_Ios_Openmode __a, _Ios_Openmode __b)
+ { return _Ios_Openmode(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Openmode
+ operator^(_Ios_Openmode __a, _Ios_Openmode __b)
+ { return _Ios_Openmode(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Openmode
+ operator~(_Ios_Openmode __a)
+ { return _Ios_Openmode(~static_cast<int>(__a)); }
+
+ inline const _Ios_Openmode&
+ operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
+ { return __a = __a | __b; }
+
+ inline const _Ios_Openmode&
+ operator&=(_Ios_Openmode& __a, _Ios_Openmode __b)
+ { return __a = __a & __b; }
+
+ inline const _Ios_Openmode&
+ operator^=(_Ios_Openmode& __a, _Ios_Openmode __b)
+ { return __a = __a ^ __b; }
+
+
+ enum _Ios_Iostate
+ {
+ _S_goodbit = 0,
+ _S_badbit = 1L << 0,
+ _S_eofbit = 1L << 1,
+ _S_failbit = 1L << 2,
+ _S_ios_iostate_end = 1L << 16
+ };
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Iostate
+ operator&(_Ios_Iostate __a, _Ios_Iostate __b)
+ { return _Ios_Iostate(static_cast<int>(__a) & static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Iostate
+ operator|(_Ios_Iostate __a, _Ios_Iostate __b)
+ { return _Ios_Iostate(static_cast<int>(__a) | static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Iostate
+ operator^(_Ios_Iostate __a, _Ios_Iostate __b)
+ { return _Ios_Iostate(static_cast<int>(__a) ^ static_cast<int>(__b)); }
+
+ inline _GLIBCXX_CONSTEXPR _Ios_Iostate
+ operator~(_Ios_Iostate __a)
+ { return _Ios_Iostate(~static_cast<int>(__a)); }
+
+ inline const _Ios_Iostate&
+ operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
+ { return __a = __a | __b; }
+
+ inline const _Ios_Iostate&
+ operator&=(_Ios_Iostate& __a, _Ios_Iostate __b)
+ { return __a = __a & __b; }
+
+ inline const _Ios_Iostate&
+ operator^=(_Ios_Iostate& __a, _Ios_Iostate __b)
+ { return __a = __a ^ __b; }
+
+
+ enum _Ios_Seekdir
+ {
+ _S_beg = 0,
+ _S_cur = _GLIBCXX_STDIO_SEEK_CUR,
+ _S_end = _GLIBCXX_STDIO_SEEK_END,
+ _S_ios_seekdir_end = 1L << 16
+ };
+
+ // 27.4.2 Class ios_base
+ /**
+ * @brief The base of the I/O class hierarchy.
+ * @ingroup io
+ *
+ * This class defines everything that can be defined about I/O that does
+ * not depend on the type of characters being input or output. Most
+ * people will only see @c ios_base when they need to specify the full
+ * name of the various I/O flags (e.g., the openmodes).
+ */
+ class ios_base
+ {
+ public:
+
+ /**
+ * @brief These are thrown to indicate problems with io.
+ * @ingroup exceptions
+ *
+ * 27.4.2.1.1 Class ios_base::failure
+ */
+ class failure : public exception
+ {
+ public:
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 48. Use of non-existent exception constructor
+ explicit
+ failure(const string& __str) throw();
+
+ // This declaration is not useless:
+ // http://gcc.gnu.org/onlinedocs/gcc-4.3.2/gcc/Vague-Linkage.html
+ virtual
+ ~failure() throw();
+
+ virtual const char*
+ what() const throw();
+
+ private:
+ string _M_msg;
+ };
+
+ // 27.4.2.1.2 Type ios_base::fmtflags
+ /**
+ * @brief This is a bitmask type.
+ *
+ * @c @a _Ios_Fmtflags is implementation-defined, but it is valid to
+ * perform bitwise operations on these values and expect the Right
+ * Thing to happen. Defined objects of type fmtflags are:
+ * - boolalpha
+ * - dec
+ * - fixed
+ * - hex
+ * - internal
+ * - left
+ * - oct
+ * - right
+ * - scientific
+ * - showbase
+ * - showpoint
+ * - showpos
+ * - skipws
+ * - unitbuf
+ * - uppercase
+ * - adjustfield
+ * - basefield
+ * - floatfield
+ */
+ typedef _Ios_Fmtflags fmtflags;
+
+ /// Insert/extract @c bool in alphabetic rather than numeric format.
+ static const fmtflags boolalpha = _S_boolalpha;
+
+ /// Converts integer input or generates integer output in decimal base.
+ static const fmtflags dec = _S_dec;
+
+ /// Generate floating-point output in fixed-point notation.
+ static const fmtflags fixed = _S_fixed;
+
+ /// Converts integer input or generates integer output in hexadecimal base.
+ static const fmtflags hex = _S_hex;
+
+ /// Adds fill characters at a designated internal point in certain
+ /// generated output, or identical to @c right if no such point is
+ /// designated.
+ static const fmtflags internal = _S_internal;
+
+ /// Adds fill characters on the right (final positions) of certain
+ /// generated output. (I.e., the thing you print is flush left.)
+ static const fmtflags left = _S_left;
+
+ /// Converts integer input or generates integer output in octal base.
+ static const fmtflags oct = _S_oct;
+
+ /// Adds fill characters on the left (initial positions) of certain
+ /// generated output. (I.e., the thing you print is flush right.)
+ static const fmtflags right = _S_right;
+
+ /// Generates floating-point output in scientific notation.
+ static const fmtflags scientific = _S_scientific;
+
+ /// Generates a prefix indicating the numeric base of generated integer
+ /// output.
+ static const fmtflags showbase = _S_showbase;
+
+ /// Generates a decimal-point character unconditionally in generated
+ /// floating-point output.
+ static const fmtflags showpoint = _S_showpoint;
+
+ /// Generates a + sign in non-negative generated numeric output.
+ static const fmtflags showpos = _S_showpos;
+
+ /// Skips leading white space before certain input operations.
+ static const fmtflags skipws = _S_skipws;
+
+ /// Flushes output after each output operation.
+ static const fmtflags unitbuf = _S_unitbuf;
+
+ /// Replaces certain lowercase letters with their uppercase equivalents
+ /// in generated output.
+ static const fmtflags uppercase = _S_uppercase;
+
+ /// A mask of left|right|internal. Useful for the 2-arg form of @c setf.
+ static const fmtflags adjustfield = _S_adjustfield;
+
+ /// A mask of dec|oct|hex. Useful for the 2-arg form of @c setf.
+ static const fmtflags basefield = _S_basefield;
+
+ /// A mask of scientific|fixed. Useful for the 2-arg form of @c setf.
+ static const fmtflags floatfield = _S_floatfield;
+
+ // 27.4.2.1.3 Type ios_base::iostate
+ /**
+ * @brief This is a bitmask type.
+ *
+ * @c @a _Ios_Iostate is implementation-defined, but it is valid to
+ * perform bitwise operations on these values and expect the Right
+ * Thing to happen. Defined objects of type iostate are:
+ * - badbit
+ * - eofbit
+ * - failbit
+ * - goodbit
+ */
+ typedef _Ios_Iostate iostate;
+
+ /// Indicates a loss of integrity in an input or output sequence (such
+ /// as an irrecoverable read error from a file).
+ static const iostate badbit = _S_badbit;
+
+ /// Indicates that an input operation reached the end of an input sequence.
+ static const iostate eofbit = _S_eofbit;
+
+ /// Indicates that an input operation failed to read the expected
+ /// characters, or that an output operation failed to generate the
+ /// desired characters.
+ static const iostate failbit = _S_failbit;
+
+ /// Indicates all is well.
+ static const iostate goodbit = _S_goodbit;
+
+ // 27.4.2.1.4 Type ios_base::openmode
+ /**
+ * @brief This is a bitmask type.
+ *
+ * @c @a _Ios_Openmode is implementation-defined, but it is valid to
+ * perform bitwise operations on these values and expect the Right
+ * Thing to happen. Defined objects of type openmode are:
+ * - app
+ * - ate
+ * - binary
+ * - in
+ * - out
+ * - trunc
+ */
+ typedef _Ios_Openmode openmode;
+
+ /// Seek to end before each write.
+ static const openmode app = _S_app;
+
+ /// Open and seek to end immediately after opening.
+ static const openmode ate = _S_ate;
+
+ /// Perform input and output in binary mode (as opposed to text mode).
+ /// This is probably not what you think it is; see
+ /// http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch27s02.html
+ static const openmode binary = _S_bin;
+
+ /// Open for input. Default for @c ifstream and fstream.
+ static const openmode in = _S_in;
+
+ /// Open for output. Default for @c ofstream and fstream.
+ static const openmode out = _S_out;
+
+ /// Open for input. Default for @c ofstream.
+ static const openmode trunc = _S_trunc;
+
+ // 27.4.2.1.5 Type ios_base::seekdir
+ /**
+ * @brief This is an enumerated type.
+ *
+ * @c @a _Ios_Seekdir is implementation-defined. Defined values
+ * of type seekdir are:
+ * - beg
+ * - cur, equivalent to @c SEEK_CUR in the C standard library.
+ * - end, equivalent to @c SEEK_END in the C standard library.
+ */
+ typedef _Ios_Seekdir seekdir;
+
+ /// Request a seek relative to the beginning of the stream.
+ static const seekdir beg = _S_beg;
+
+ /// Request a seek relative to the current position within the sequence.
+ static const seekdir cur = _S_cur;
+
+ /// Request a seek relative to the current end of the sequence.
+ static const seekdir end = _S_end;
+
+ // Annex D.6
+ typedef int io_state;
+ typedef int open_mode;
+ typedef int seek_dir;
+
+ typedef std::streampos streampos;
+ typedef std::streamoff streamoff;
+
+ // Callbacks;
+ /**
+ * @brief The set of events that may be passed to an event callback.
+ *
+ * erase_event is used during ~ios() and copyfmt(). imbue_event is used
+ * during imbue(). copyfmt_event is used during copyfmt().
+ */
+ enum event
+ {
+ erase_event,
+ imbue_event,
+ copyfmt_event
+ };
+
+ /**
+ * @brief The type of an event callback function.
+ * @param __e One of the members of the event enum.
+ * @param __b Reference to the ios_base object.
+ * @param __i The integer provided when the callback was registered.
+ *
+ * Event callbacks are user defined functions that get called during
+ * several ios_base and basic_ios functions, specifically imbue(),
+ * copyfmt(), and ~ios().
+ */
+ typedef void (*event_callback) (event __e, ios_base& __b, int __i);
+
+ /**
+ * @brief Add the callback __fn with parameter __index.
+ * @param __fn The function to add.
+ * @param __index The integer to pass to the function when invoked.
+ *
+ * Registers a function as an event callback with an integer parameter to
+ * be passed to the function when invoked. Multiple copies of the
+ * function are allowed. If there are multiple callbacks, they are
+ * invoked in the order they were registered.
+ */
+ void
+ register_callback(event_callback __fn, int __index);
+
+ protected:
+ streamsize _M_precision;
+ streamsize _M_width;
+ fmtflags _M_flags;
+ iostate _M_exception;
+ iostate _M_streambuf_state;
+
+ // 27.4.2.6 Members for callbacks
+ // 27.4.2.6 ios_base callbacks
+ struct _Callback_list
+ {
+ // Data Members
+ _Callback_list* _M_next;
+ ios_base::event_callback _M_fn;
+ int _M_index;
+ _Atomic_word _M_refcount; // 0 means one reference.
+
+ _Callback_list(ios_base::event_callback __fn, int __index,
+ _Callback_list* __cb)
+ : _M_next(__cb), _M_fn(__fn), _M_index(__index), _M_refcount(0) { }
+
+ void
+ _M_add_reference() { __gnu_cxx::__atomic_add_dispatch(&_M_refcount, 1); }
+
+ // 0 => OK to delete.
+ int
+ _M_remove_reference()
+ {
+ // Be race-detector-friendly. For more info see bits/c++config.
+ _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&_M_refcount);
+ int __res = __gnu_cxx::__exchange_and_add_dispatch(&_M_refcount, -1);
+ if (__res == 0)
+ {
+ _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&_M_refcount);
+ }
+ return __res;
+ }
+ };
+
+ _Callback_list* _M_callbacks;
+
+ void
+ _M_call_callbacks(event __ev) throw();
+
+ void
+ _M_dispose_callbacks(void) throw();
+
+ // 27.4.2.5 Members for iword/pword storage
+ struct _Words
+ {
+ void* _M_pword;
+ long _M_iword;
+ _Words() : _M_pword(0), _M_iword(0) { }
+ };
+
+ // Only for failed iword/pword calls.
+ _Words _M_word_zero;
+
+ // Guaranteed storage.
+ // The first 5 iword and pword slots are reserved for internal use.
+ enum { _S_local_word_size = 8 };
+ _Words _M_local_word[_S_local_word_size];
+
+ // Allocated storage.
+ int _M_word_size;
+ _Words* _M_word;
+
+ _Words&
+ _M_grow_words(int __index, bool __iword);
+
+ // Members for locale and locale caching.
+ locale _M_ios_locale;
+
+ void
+ _M_init() throw();
+
+ public:
+
+ // 27.4.2.1.6 Class ios_base::Init
+ // Used to initialize standard streams. In theory, g++ could use
+ // -finit-priority to order this stuff correctly without going
+ // through these machinations.
+ class Init
+ {
+ friend class ios_base;
+ public:
+ Init();
+ ~Init();
+
+ private:
+ static _Atomic_word _S_refcount;
+ static bool _S_synced_with_stdio;
+ };
+
+ // [27.4.2.2] fmtflags state functions
+ /**
+ * @brief Access to format flags.
+ * @return The format control flags for both input and output.
+ */
+ fmtflags
+ flags() const
+ { return _M_flags; }
+
+ /**
+ * @brief Setting new format flags all at once.
+ * @param __fmtfl The new flags to set.
+ * @return The previous format control flags.
+ *
+ * This function overwrites all the format flags with @a __fmtfl.
+ */
+ fmtflags
+ flags(fmtflags __fmtfl)
+ {
+ fmtflags __old = _M_flags;
+ _M_flags = __fmtfl;
+ return __old;
+ }
+
+ /**
+ * @brief Setting new format flags.
+ * @param __fmtfl Additional flags to set.
+ * @return The previous format control flags.
+ *
+ * This function sets additional flags in format control. Flags that
+ * were previously set remain set.
+ */
+ fmtflags
+ setf(fmtflags __fmtfl)
+ {
+ fmtflags __old = _M_flags;
+ _M_flags |= __fmtfl;
+ return __old;
+ }
+
+ /**
+ * @brief Setting new format flags.
+ * @param __fmtfl Additional flags to set.
+ * @param __mask The flags mask for @a fmtfl.
+ * @return The previous format control flags.
+ *
+ * This function clears @a mask in the format flags, then sets
+ * @a fmtfl @c & @a mask. An example mask is @c ios_base::adjustfield.
+ */
+ fmtflags
+ setf(fmtflags __fmtfl, fmtflags __mask)
+ {
+ fmtflags __old = _M_flags;
+ _M_flags &= ~__mask;
+ _M_flags |= (__fmtfl & __mask);
+ return __old;
+ }
+
+ /**
+ * @brief Clearing format flags.
+ * @param __mask The flags to unset.
+ *
+ * This function clears @a __mask in the format flags.
+ */
+ void
+ unsetf(fmtflags __mask)
+ { _M_flags &= ~__mask; }
+
+ /**
+ * @brief Flags access.
+ * @return The precision to generate on certain output operations.
+ *
+ * Be careful if you try to give a definition of @a precision here; see
+ * DR 189.
+ */
+ streamsize
+ precision() const
+ { return _M_precision; }
+
+ /**
+ * @brief Changing flags.
+ * @param __prec The new precision value.
+ * @return The previous value of precision().
+ */
+ streamsize
+ precision(streamsize __prec)
+ {
+ streamsize __old = _M_precision;
+ _M_precision = __prec;
+ return __old;
+ }
+
+ /**
+ * @brief Flags access.
+ * @return The minimum field width to generate on output operations.
+ *
+ * <em>Minimum field width</em> refers to the number of characters.
+ */
+ streamsize
+ width() const
+ { return _M_width; }
+
+ /**
+ * @brief Changing flags.
+ * @param __wide The new width value.
+ * @return The previous value of width().
+ */
+ streamsize
+ width(streamsize __wide)
+ {
+ streamsize __old = _M_width;
+ _M_width = __wide;
+ return __old;
+ }
+
+ // [27.4.2.4] ios_base static members
+ /**
+ * @brief Interaction with the standard C I/O objects.
+ * @param __sync Whether to synchronize or not.
+ * @return True if the standard streams were previously synchronized.
+ *
+ * The synchronization referred to is @e only that between the standard
+ * C facilities (e.g., stdout) and the standard C++ objects (e.g.,
+ * cout). User-declared streams are unaffected. See
+ * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch28s02.html
+ */
+ static bool
+ sync_with_stdio(bool __sync = true);
+
+ // [27.4.2.3] ios_base locale functions
+ /**
+ * @brief Setting a new locale.
+ * @param __loc The new locale.
+ * @return The previous locale.
+ *
+ * Sets the new locale for this stream, and then invokes each callback
+ * with imbue_event.
+ */
+ locale
+ imbue(const locale& __loc) throw();
+
+ /**
+ * @brief Locale access
+ * @return A copy of the current locale.
+ *
+ * If @c imbue(loc) has previously been called, then this function
+ * returns @c loc. Otherwise, it returns a copy of @c std::locale(),
+ * the global C++ locale.
+ */
+ locale
+ getloc() const
+ { return _M_ios_locale; }
+
+ /**
+ * @brief Locale access
+ * @return A reference to the current locale.
+ *
+ * Like getloc above, but returns a reference instead of
+ * generating a copy.
+ */
+ const locale&
+ _M_getloc() const
+ { return _M_ios_locale; }
+
+ // [27.4.2.5] ios_base storage functions
+ /**
+ * @brief Access to unique indices.
+ * @return An integer different from all previous calls.
+ *
+ * This function returns a unique integer every time it is called. It
+ * can be used for any purpose, but is primarily intended to be a unique
+ * index for the iword and pword functions. The expectation is that an
+ * application calls xalloc in order to obtain an index in the iword and
+ * pword arrays that can be used without fear of conflict.
+ *
+ * The implementation maintains a static variable that is incremented and
+ * returned on each invocation. xalloc is guaranteed to return an index
+ * that is safe to use in the iword and pword arrays.
+ */
+ static int
+ xalloc() throw();
+
+ /**
+ * @brief Access to integer array.
+ * @param __ix Index into the array.
+ * @return A reference to an integer associated with the index.
+ *
+ * The iword function provides access to an array of integers that can be
+ * used for any purpose. The array grows as required to hold the
+ * supplied index. All integers in the array are initialized to 0.
+ *
+ * The implementation reserves several indices. You should use xalloc to
+ * obtain an index that is safe to use. Also note that since the array
+ * can grow dynamically, it is not safe to hold onto the reference.
+ */
+ long&
+ iword(int __ix)
+ {
+ _Words& __word = (__ix < _M_word_size)
+ ? _M_word[__ix] : _M_grow_words(__ix, true);
+ return __word._M_iword;
+ }
+
+ /**
+ * @brief Access to void pointer array.
+ * @param __ix Index into the array.
+ * @return A reference to a void* associated with the index.
+ *
+ * The pword function provides access to an array of pointers that can be
+ * used for any purpose. The array grows as required to hold the
+ * supplied index. All pointers in the array are initialized to 0.
+ *
+ * The implementation reserves several indices. You should use xalloc to
+ * obtain an index that is safe to use. Also note that since the array
+ * can grow dynamically, it is not safe to hold onto the reference.
+ */
+ void*&
+ pword(int __ix)
+ {
+ _Words& __word = (__ix < _M_word_size)
+ ? _M_word[__ix] : _M_grow_words(__ix, false);
+ return __word._M_pword;
+ }
+
+ // Destructor
+ /**
+ * Invokes each callback with erase_event. Destroys local storage.
+ *
+ * Note that the ios_base object for the standard streams never gets
+ * destroyed. As a result, any callbacks registered with the standard
+ * streams will not get invoked with erase_event (unless copyfmt is
+ * used).
+ */
+ virtual ~ios_base();
+
+ protected:
+ ios_base() throw ();
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 50. Copy constructor and assignment operator of ios_base
+ private:
+ ios_base(const ios_base&);
+
+ ios_base&
+ operator=(const ios_base&);
+ };
+
+ // [27.4.5.1] fmtflags manipulators
+ /// Calls base.setf(ios_base::boolalpha).
+ inline ios_base&
+ boolalpha(ios_base& __base)
+ {
+ __base.setf(ios_base::boolalpha);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::boolalpha).
+ inline ios_base&
+ noboolalpha(ios_base& __base)
+ {
+ __base.unsetf(ios_base::boolalpha);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::showbase).
+ inline ios_base&
+ showbase(ios_base& __base)
+ {
+ __base.setf(ios_base::showbase);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::showbase).
+ inline ios_base&
+ noshowbase(ios_base& __base)
+ {
+ __base.unsetf(ios_base::showbase);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::showpoint).
+ inline ios_base&
+ showpoint(ios_base& __base)
+ {
+ __base.setf(ios_base::showpoint);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::showpoint).
+ inline ios_base&
+ noshowpoint(ios_base& __base)
+ {
+ __base.unsetf(ios_base::showpoint);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::showpos).
+ inline ios_base&
+ showpos(ios_base& __base)
+ {
+ __base.setf(ios_base::showpos);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::showpos).
+ inline ios_base&
+ noshowpos(ios_base& __base)
+ {
+ __base.unsetf(ios_base::showpos);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::skipws).
+ inline ios_base&
+ skipws(ios_base& __base)
+ {
+ __base.setf(ios_base::skipws);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::skipws).
+ inline ios_base&
+ noskipws(ios_base& __base)
+ {
+ __base.unsetf(ios_base::skipws);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::uppercase).
+ inline ios_base&
+ uppercase(ios_base& __base)
+ {
+ __base.setf(ios_base::uppercase);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::uppercase).
+ inline ios_base&
+ nouppercase(ios_base& __base)
+ {
+ __base.unsetf(ios_base::uppercase);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::unitbuf).
+ inline ios_base&
+ unitbuf(ios_base& __base)
+ {
+ __base.setf(ios_base::unitbuf);
+ return __base;
+ }
+
+ /// Calls base.unsetf(ios_base::unitbuf).
+ inline ios_base&
+ nounitbuf(ios_base& __base)
+ {
+ __base.unsetf(ios_base::unitbuf);
+ return __base;
+ }
+
+ // [27.4.5.2] adjustfield manipulators
+ /// Calls base.setf(ios_base::internal, ios_base::adjustfield).
+ inline ios_base&
+ internal(ios_base& __base)
+ {
+ __base.setf(ios_base::internal, ios_base::adjustfield);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::left, ios_base::adjustfield).
+ inline ios_base&
+ left(ios_base& __base)
+ {
+ __base.setf(ios_base::left, ios_base::adjustfield);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::right, ios_base::adjustfield).
+ inline ios_base&
+ right(ios_base& __base)
+ {
+ __base.setf(ios_base::right, ios_base::adjustfield);
+ return __base;
+ }
+
+ // [27.4.5.3] basefield manipulators
+ /// Calls base.setf(ios_base::dec, ios_base::basefield).
+ inline ios_base&
+ dec(ios_base& __base)
+ {
+ __base.setf(ios_base::dec, ios_base::basefield);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::hex, ios_base::basefield).
+ inline ios_base&
+ hex(ios_base& __base)
+ {
+ __base.setf(ios_base::hex, ios_base::basefield);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::oct, ios_base::basefield).
+ inline ios_base&
+ oct(ios_base& __base)
+ {
+ __base.setf(ios_base::oct, ios_base::basefield);
+ return __base;
+ }
+
+ // [27.4.5.4] floatfield manipulators
+ /// Calls base.setf(ios_base::fixed, ios_base::floatfield).
+ inline ios_base&
+ fixed(ios_base& __base)
+ {
+ __base.setf(ios_base::fixed, ios_base::floatfield);
+ return __base;
+ }
+
+ /// Calls base.setf(ios_base::scientific, ios_base::floatfield).
+ inline ios_base&
+ scientific(ios_base& __base)
+ {
+ __base.setf(ios_base::scientific, ios_base::floatfield);
+ return __base;
+ }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif /* _IOS_BASE_H */
projects / cross.git / blobdiff