std::basic_ostringstream(3)

NAME
std::basic_ostringstream - Controlling output for std::string.

SYNOPSIS

Inherits std::basic_ostream< _CharT, _Traits >< _CharT, _Traits >.

  Public Types
typedef _CharT char_type
typedef _Traits traits_type
typedef traits_type::int_type int_type
typedef traits_type::pos_type pos_type
typedef traits_type::off_type off_type
typedef _Ios_Fmtflags fmtflags
This is a bitmask type.
typedef _Ios_Iostate iostate
This is a bitmask type.
typedef _Ios_Openmode openmode
This is a bitmask type.
typedef _Ios_Seekdir seekdir
This is an enumerated type.
typedef void(* event_callback )(event, ios_base &, int)
enum event

  Public Member Functions
basic_ostringstream (ios_base::openmode __mode=ios_base::out)
Default constructor starts with an empty string buffer.
basic_ostringstream (const __string_type &__str, ios_base::openmode __mode=ios_base::out)
Starts with an existing string buffer.
~basic_ostringstream ()
The destructor does nothing.
__stringbuf_type * rdbuf () const
Accessing the underlying buffer.
__string_type str () const
Copying out the string buffer.
void str (const __string_type &__s)
Setting a new buffer.
__ostream_type & flush ()
Synchronizing the stream buffer.
pos_type tellp ()
Getting the current write position.
__ostream_type & seekp (pos_type)
Changing the current write position.
__ostream_type & seekp (off_type, ios_base::seekdir)
Changing the current write position.
iostate rdstate () const
Returns the error state of the stream buffer.
void clear (iostate __state=goodbit)
[Re]sets the error state.
void setstate (iostate __state)
Sets additional flags in the error state.
bool good () const
Fast error checking.
bool eof () const
Fast error checking.
bool fail () const
Fast error checking.
bool bad () const
Fast error checking.
iostate exceptions () const
Throwing exceptions on errors.
void exceptions (iostate __except)
Throwing exceptions on errors.
basic_ostream< _CharT, _Traits > * tie () const
Fetches the current tied stream.
basic_ostream< _CharT, _Traits > * tie (basic_ostream< _CharT, _Traits > *__tiestr)
Ties this stream to an output stream.
basic_streambuf< _CharT, _Traits > * rdbuf (basic_streambuf< _CharT, _Traits > *__sb)
Changing the underlying buffer.
basic_ios & copyfmt (const basic_ios &__rhs)
char_type fill () const
Retreives the 'empty' character.
char_type fill (char_type __ch)
Sets a new 'empty' character.
locale imbue (const locale &__loc)
Moves to a new locale.
char narrow (char_type __c, char __dfault) const
Squeezes characters.
char_type widen (char __c) const
Widens characters.
void register_callback (event_callback __fn, int __index)
fmtflags flags () const
Access to format flags.
fmtflags flags (fmtflags __fmtfl)
Setting new format flags all at once.
fmtflags setf (fmtflags __fmtfl)
Setting new format flags.
fmtflags setf (fmtflags __fmtfl, fmtflags __mask)
Setting new format flags.
void unsetf (fmtflags __mask)
Clearing format flags.
streamsize precision () const
Flags access.
streamsize precision (streamsize __prec)
Changing flags.
streamsize width () const
Flags access.
streamsize width (streamsize __wide)
Changing flags.
locale getloc () const
Locale access.
long & iword (int __ix)
void *& pword (int __ix)

__ostream_type & operator<< (__ostream_type &(*__pf)(__ostream_type &))
Interface for manipulators.
__ostream_type & operator<< (__ios_type &(*__pf)(__ios_type &))
Interface for manipulators.
__ostream_type & operator<< (ios_base &(*__pf)(ios_base &))
Interface for manipulators.

Arithmetic Inserters
All the operator<< functions (aka formatted output functions) have some common behavior. Each starts by constructing a temporary object of type std::basic_ostream::sentry. This can have several effects, concluding with the setting of a status flag; see the sentry documentation for more.

If the sentry status is good, the function tries to generate whatever data is appropriate for the type of the argument.

If an exception is thrown during insertion, ios_base::badbit will be turned on in the stream's error state without causing an ios_base::failure to be thrown. The original exception will then be rethrown.

__ostream_type & operator<< (long __n)
Basic arithmetic inserters.
__ostream_type & operator<< (unsigned long __n)
Basic arithmetic inserters.
__ostream_type & operator<< (bool __n)
Basic arithmetic inserters.
__ostream_type & operator<< (short __n)
Basic arithmetic inserters.
__ostream_type & operator<< (unsigned short __n)
Basic arithmetic inserters.
__ostream_type & operator<< (int __n)
Basic arithmetic inserters.
__ostream_type & operator<< (unsigned int __n)
Basic arithmetic inserters.
__ostream_type & operator<< (long long __n)
Basic arithmetic inserters.
__ostream_type & operator<< (unsigned long long __n)
Basic arithmetic inserters.
__ostream_type & operator<< (double __f)
Basic arithmetic inserters.
__ostream_type & operator<< (float __f)
Basic arithmetic inserters.
__ostream_type & operator<< (long double __f)
Basic arithmetic inserters.
__ostream_type & operator<< (const void *__p)
Basic arithmetic inserters.
__ostream_type & operator<< (__streambuf_type *__sb)
Extracting from another streambuf.

Unformatted Output Functions
All the unformatted output functions have some common behavior. Each starts by constructing a temporary object of type std::basic_ostream::sentry. This has several effects, concluding with the setting of a status flag; see the sentry documentation for more.

If the sentry status is good, the function tries to generate whatever data is appropriate for the type of the argument.

If an exception is thrown during insertion, ios_base::badbit will be turned on in the stream's error state. If badbit is on in the stream's exceptions mask, the exception will be rethrown without completing its actions.

__ostream_type & put (char_type __c)
Simple insertion.
__ostream_type & write (const char_type *__s, streamsize __n)
Character string insertion.

operator void * () const
The quick-and-easy status check.
bool operator! () const
The quick-and-easy status check.

  Static Public Member Functions
bool sync_with_stdio (bool __sync=true)
Interaction with the standard C I/O objects.
int xalloc () throw ()

  Static Public Attributes
const fmtflags boolalpha
Insert/extract bool in alphabetic rather than numeric format.
const fmtflags dec
Converts integer input or generates integer output in decimal base.
const fmtflags fixed
Generate floating-point output in fixed-point notation.
const fmtflags hex
Converts integer input or generates integer output in hexadecimal base.
const fmtflags internal
Adds fill characters at a designated internal point in certain generated output, or identical to right if no such point is designated.
const fmtflags left
Adds fill characters on the right (final positions) of certain generated output. (I.e., the thing you print is flush left.).
const fmtflags oct
Converts integer input or generates integer output in octal base.
const fmtflags right
Adds fill characters on the left (initial positions) of certain generated output. (I.e., the thing you print is flush right.).
const fmtflags scientific
Generates floating-point output in scientific notation.
const fmtflags showbase
Generates a prefix indicating the numeric base of generated integer output.
const fmtflags showpoint
Generates a decimal-point character unconditionally in generated floating-point output.
const fmtflags showpos
Generates a + sign in non-negative generated numeric output.
const fmtflags skipws
Skips leading white space before certain input operations.
const fmtflags unitbuf
Flushes output after each output operation.
const fmtflags uppercase
Replaces certain lowercase letters with their uppercase equivalents in generated output.
const fmtflags adjustfield
A mask of left|right|internal. Useful for the 2-arg form of setf.
const fmtflags basefield
A mask of dec|oct|hex. Useful for the 2-arg form of setf.
const fmtflags floatfield
A mask of scientific|fixed. Useful for the 2-arg form of setf.
const iostate badbit
Indicates a loss of integrity in an input or output sequence (such as an irrecoverable read error from a file).
const iostate eofbit
Indicates that an input operation reached the end of an input sequence.
const iostate failbit
Indicates that an input operation failed to read the expected characters, or that an output operation failed to generate the desired characters.
const iostate goodbit
Indicates all is well.
const openmode app
Seek to end before each write.
const openmode ate
Open and seek to end immediately after opening.
const openmode binary
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++/27_io/howto.html#3 and http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more.
const openmode in
Open for input. Default for ifstream and fstream.
const openmode out
Open for output. Default for ofstream and fstream.
const openmode trunc
Open for input. Default for ofstream.
const seekdir beg
Request a seek relative to the beginning of the stream.
const seekdir cur
Request a seek relative to the current position within the sequence.
const seekdir end
Request a seek relative to the current end of the sequence.

  Protected Member Functions
void init (basic_streambuf< _CharT, _Traits > *__sb, __locale_cache< _CharT > *__cache=0)
All setup is performed here.

Detailed Description

  template<typename _CharT, typename _Traits, typename _Alloc> class std::basic_ostringstream< _CharT, _Traits, _Alloc >
Controlling output for std::string. This class supports writing to objects of type std::basic_string, using the inherited functions from std::basic_ostream. To control the associated sequence, an instance of std::basic_stringbuf is used, which this page refers to as sb.

Definition at line 407 of file sstream.

Member Typedef Documentation

  template<typename _CharT, typename _Traits, typename _Alloc> typedef _CharT std::basic_ostringstream< _CharT, _Traits, _Alloc >::char_type

These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_ostream< _CharT, _Traits >.

Definition at line 411 of file sstream.

  typedef void(* std::ios_base::event_callback)(event, ios_base&, int) [inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 357 of file ios_base.h.

  typedef _Ios_Fmtflags std::ios_base::fmtflags [inherited]

This is a bitmask type.'_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

Definition at line 214 of file ios_base.h.

  template<typename _CharT, typename _Traits, typename _Alloc> typedef traits_type::int_type std::basic_ostringstream< _CharT, _Traits, _Alloc >::int_type

These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_ostream< _CharT, _Traits >.

Definition at line 417 of file sstream.

  typedef _Ios_Iostate std::ios_base::iostate [inherited]

This is a bitmask type.'_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

Definition at line 271 of file ios_base.h.

  template<typename _CharT, typename _Traits, typename _Alloc> typedef traits_type::off_type std::basic_ostringstream< _CharT, _Traits, _Alloc >::off_type

These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_ostream< _CharT, _Traits >.

Definition at line 419 of file sstream.

  typedef _Ios_Openmode std::ios_base::openmode [inherited]

This is a bitmask type.'_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

Definition at line 298 of file ios_base.h.

  template<typename _CharT, typename _Traits, typename _Alloc> typedef traits_type::pos_type std::basic_ostringstream< _CharT, _Traits, _Alloc >::pos_type

These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_ostream< _CharT, _Traits >.

Definition at line 418 of file sstream.

  typedef _Ios_Seekdir std::ios_base::seekdir [inherited]

This is an enumerated type.'_Ios_Seekdir' is implementation-defined. Defined values of type seekdir are:

•   beg

•   cur, equivalent to SEEK_CUR in the C standard library.

•   end, equivalent to SEEK_END in the C standard library.

Definition at line 325 of file ios_base.h.

  template<typename _CharT, typename _Traits, typename _Alloc> typedef _Traits std::basic_ostringstream< _CharT, _Traits, _Alloc >::traits_type

These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_ostream< _CharT, _Traits >.

Definition at line 412 of file sstream.

Member Enumeration Documentation

  enum std::ios_base::event [inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 347 of file ios_base.h.

Constructor & Destructor Documentation

  template<typename _CharT, typename _Traits, typename _Alloc> std::basic_ostringstream< _CharT, _Traits, _Alloc >::basic_ostringstream (ios_base::openmode __mode = ios_base::out) [inline, explicit]

Default constructor starts with an empty string buffer.Parameters:
    mode Whether the buffer can read, or write, or both.

ios_base::out is automatically included in mode.

Initializes sb using mode|out, and passes &sb to the base class initializer. Does not allocate any buffer.

Definition at line 452 of file sstream.

References std::basic_ios< _CharT, _Traits >::init(), and std::ios_base::out.

  template<typename _CharT, typename _Traits, typename _Alloc> std::basic_ostringstream< _CharT, _Traits, _Alloc >::basic_ostringstream (const __string_type & __str, ios_base::openmode __mode = ios_base::out) [inline, explicit]

Starts with an existing string buffer.Parameters:
    str A string to copy as a starting buffer.
    mode Whether the buffer can read, or write, or both.

ios_base::out is automatically included in mode.

Initializes sb using str and mode|out, and passes &sb to the base class initializer.

Definition at line 472 of file sstream.

References std::basic_ios< _CharT, _Traits >::init(), and std::ios_base::out.

  template<typename _CharT, typename _Traits, typename _Alloc> std::basic_ostringstream< _CharT, _Traits, _Alloc >::~basic_ostringstream () [inline]

The destructor does nothing.The buffer is deallocated by the stringbuf object, not the formatting stream.

Definition at line 483 of file sstream.

Member Function Documentation

  template<typename _CharT, typename _Traits> bool std::basic_ios< _CharT, _Traits >::bad () const [inline, inherited]

Fast error checking.Returns:
    True if the badbit is set.

Note that other iostate flags may also be set.

Definition at line 186 of file basic_ios.h.

  template<typename _CharT, typename _Traits> void std::basic_ios< _CharT, _Traits >::clear (iostate __state = goodbit) [inherited]

[Re]sets the error state.Parameters:
    state The new state flag(s) to set.

See std::ios_base::iostate for the possible bit values. Most users will not need to pass an argument.

Definition at line 39 of file basic_ios.tcc.

References std::ios_base::badbit, std::basic_ios< _CharT, _Traits >::exceptions(), std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< _CharT, _Traits >::rdstate().

Referenced by std::basic_ios< char, _Traits >::exceptions(), std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< char, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ios< _CharT, _Traits > & std::basic_ios< _CharT, _Traits >::copyfmt (const basic_ios< _CharT, _Traits > & __rhs) [inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 61 of file basic_ios.tcc.

References std::ios_base::_M_callbacks, std::ios_base::_M_word, std::ios_base::_M_word_size, std::basic_ios< _CharT, _Traits >::exceptions(), std::basic_ios< _CharT, _Traits >::fill(), std::ios_base::flags(), std::ios_base::getloc(), std::ios_base::precision(), std::basic_ios< _CharT, _Traits >::tie(), and std::ios_base::width().

  template<typename _CharT, typename _Traits> bool std::basic_ios< _CharT, _Traits >::eof () const [inline, inherited]

Fast error checking.Returns:
    True if the eofbit is set.

Note that other iostate flags may also be set.

Definition at line 165 of file basic_ios.h.

  template<typename _CharT, typename _Traits> void std::basic_ios< _CharT, _Traits >::exceptions (iostate __except) [inline, inherited]

Throwing exceptions on errors.Parameters:
    except The new exceptions mask.

By default, error flags are set silently. You can set an exceptions mask for each stream; if a bit in the mask becomes set in the error flags, then an exception of type std::ios_base::failure is thrown.

If the error flage is already set when the exceptions mask is added, the exception is immediately thrown. Try running the following under GCC 3.1 or later:

  #include <iostream>
  #include <fstream>
  #include <exception>

  int main()
  {
      std::set_terminate (__gnu_cxx::__verbose_terminate_handler);

      std::ifstream f ('/etc/motd');

      std::cerr << 'Setting badbit;
      f.setstate (std::ios_base::badbit);

      std::cerr << 'Setting exception mask;
      f.exceptions (std::ios_base::badbit);
  }

Definition at line 232 of file basic_ios.h.

  template<typename _CharT, typename _Traits> iostate std::basic_ios< _CharT, _Traits >::exceptions () const [inline, inherited]

Throwing exceptions on errors.Returns:
    The current exceptions mask.

This changes nothing in the stream. See the one-argument version of exceptions(iostate) for the meaning of the return value.

Definition at line 197 of file basic_ios.h.

Referenced by std::basic_ios< _CharT, _Traits >::clear(), std::basic_ios< _CharT, _Traits >::copyfmt(), std::basic_istream< _CharT, _Traits >::get(), std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), std::operator<<(), std::basic_ostream< _CharT, _Traits >::operator<<(), std::operator>>(), std::basic_istream< _CharT, _Traits >::operator>>(), std::basic_istream< _CharT, _Traits >::peek(), std::basic_istream< _CharT, _Traits >::putback(), std::basic_istream< _CharT, _Traits >::read(), std::basic_istream< _CharT, _Traits >::readsome(), std::basic_istream< _CharT, _Traits >::sync(), and std::basic_istream< _CharT, _Traits >::unget().

  template<typename _CharT, typename _Traits> bool std::basic_ios< _CharT, _Traits >::fail () const [inline, inherited]

Fast error checking.Returns:
    True if either the badbit or the failbit is set.

Checking the badbit in fail() is historical practice. Note that other iostate flags may also be set.

Definition at line 176 of file basic_ios.h.

Referenced by std::basic_ios< char, _Traits >::operator void *(), std::basic_ios< char, _Traits >::operator!(), std::basic_istream< _CharT, _Traits >::seekg(), std::basic_ostream< _CharT, _Traits >::seekp(), std::basic_istream< _CharT, _Traits >::tellg(), and std::basic_ostream< _CharT, _Traits >::tellp().

  template<typename _CharT, typename _Traits> char_type std::basic_ios< _CharT, _Traits >::fill (char_type __ch) [inline, inherited]

Sets a new 'empty' character.Parameters:
    ch The new character.

Returns:
    The previous fill character.

The fill character is used to fill out space when P+ characters have been requested (e.g., via setw), Q characters are actually used, and Q<P. It defaults to a space (' ') in the current locale.

Definition at line 348 of file basic_ios.h.

  template<typename _CharT, typename _Traits> char_type std::basic_ios< _CharT, _Traits >::fill () const [inline, inherited]

Retreives the 'empty' character.Returns:
    The current fill character.

It defaults to a space (' ') in the current locale.

Definition at line 328 of file basic_ios.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt(), std::basic_ios< char, _Traits >::fill(), std::operator<<(), and std::basic_ostream< _CharT, _Traits >::operator<<().

  fmtflags std::ios_base::flags (fmtflags __fmtfl) [inline, inherited]

Setting new format flags all at once.Parameters:
    fmtfl The new flags to set.

Returns:
    The previous format control flags.

This function overwrites all the format flags with fmtfl.

Definition at line 484 of file ios_base.h.

  fmtflags std::ios_base::flags () const [inline, inherited]

Access to format flags.Returns:
    The format control flags for both input and output.

Definition at line 474 of file ios_base.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt(), std::basic_ostream< _CharT, _Traits >::operator<<(), std::basic_ostream< char >::operator<<(), std::basic_istream< _CharT, _Traits >::sentry::sentry(), and std::basic_ostream< _CharT, _Traits >::sentry::~sentry().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::flush () [inherited]

Synchronizing the stream buffer.Returns:
    *this

If rdbuf() is a null pointer, changes nothing.

Otherwise, calls rdbuf()->pubsync(), and if that returns -1, sets badbit.

Definition at line 408 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< _CharT, _Traits >::setstate().

Referenced by std::flush().

  locale std::ios_base::getloc () const [inline, inherited]

Locale access.Returns:
    The locale currently in effect.

If imbue(loc) has previously been called, then this function returns loc. Otherwise, it returns a copy of std::locale(), the global C++ locale.

Definition at line 616 of file ios_base.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt(), std::operator>>(), and std::ws().

  template<typename _CharT, typename _Traits> bool std::basic_ios< _CharT, _Traits >::good () const [inline, inherited]

Fast error checking.Returns:
    True if no error flags are set.

A wrapper around rdstate.

Definition at line 155 of file basic_ios.h.

Referenced by std::basic_istream< _CharT, _Traits >::sentry::sentry().

  template<typename _CharT, typename _Traits> locale std::basic_ios< _CharT, _Traits >::imbue (const locale & __loc) [inherited]

Moves to a new locale.Parameters:
    loc The new locale.

Returns:
    The previous locale.

Calls ios_base::imbue(loc), and if a stream buffer is associated with this stream, calls that buffer's pubimbue(loc).

Additional l10n notes are at http://gcc.gnu.org/onlinedocs/libstdc++/22_locale/howto.html Reimplemented from std::ios_base.

Definition at line 135 of file basic_ios.tcc.

References std::basic_ios< _CharT, _Traits >::rdbuf().

  template<typename _CharT, typename _Traits> void std::basic_ios< _CharT, _Traits >::init (basic_streambuf< _CharT, _Traits > * __sb, __locale_cache< _CharT > * __cache = 0) [protected, inherited]

All setup is performed here.This is called from the public constructor. It is not virtual and cannot be redefined. The second argument, __cache, is used to initialize the standard streams without allocating memory.

Definition at line 147 of file basic_ios.tcc.

References std::ios_base::badbit, and std::ios_base::goodbit.

Referenced by std::basic_fstream< _CharT, _Traits >::basic_fstream(), std::basic_ifstream< _CharT, _Traits >::basic_ifstream(), std::basic_ios< char, _Traits >::basic_ios(), std::basic_istream< char >::basic_istream(), std::basic_istringstream< _CharT, _Traits, _Alloc >::basic_istringstream(), std::basic_ofstream< _CharT, _Traits >::basic_ofstream(), std::basic_ostream< char >::basic_ostream(), std::basic_ostringstream< _CharT, _Traits, _Alloc >::basic_ostringstream(), and std::basic_stringstream< _CharT, _Traits, _Alloc >::basic_stringstream().

  long& std::ios_base::iword (int __ix) [inline, inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 629 of file ios_base.h.

  template<typename _CharT, typename _Traits> char std::basic_ios< _CharT, _Traits >::narrow (char_type __c, char __dfault) const [inherited]

Squeezes characters.Parameters:
    c The character to narrow.
    dfault The character to narrow.

Returns:
    The narrowed character.

Maps a character of char_type to a character of char, if possible.

Returns the result of

    std::use_facet< ctype<char_type> >(getloc()).narrow(c,dfault)

Additional l10n notes are at http://gcc.gnu.org/onlinedocs/libstdc++/22_locale/howto.html

Definition at line 114 of file basic_ios.tcc.

Referenced by std::operator>>().

  template<typename _CharT, typename _Traits> std::basic_ios< _CharT, _Traits >::operator void * () const [inline, inherited]

The quick-and-easy status check.This allows you to write constructs such as 'if (!a_stream) ...' and 'while (a_stream) ...'

Definition at line 109 of file basic_ios.h.

  template<typename _CharT, typename _Traits> bool std::basic_ios< _CharT, _Traits >::operator! () const [inline, inherited]

The quick-and-easy status check.This allows you to write constructs such as 'if (!a_stream) ...' and 'while (a_stream) ...'

Definition at line 113 of file basic_ios.h.

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (__streambuf_type * __sb) [inherited]

Extracting from another streambuf.Parameters:
    sb A pointer to a streambuf

This function behaves like one of the basic arithmetic extractors, in that it also constructs a sentry onject and has the same error handling behavior.

If sb is NULL, the stream will set failbit in its error state.

Characters are extracted from sb and inserted into *this until one of the following occurs:

•   the input stream reaches end-of-file,

•   insertion into the output sequence fails (in this case, the character that would have been inserted is not extracted), or

•   an exception occurs while getting a character from sb, which sets failbit in the error state

If the function inserts no characters, failbit is set.

Definition at line 127 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (const void * __p) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 355 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (long double __f) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 330 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::operator<< (float __f) [inline, inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 218 of file ostream.

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (double __f) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 305 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (unsigned long long __n) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 279 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (long long __n) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 241 of file ostream.tcc.

References std::basic_ostream< _CharT, _Traits >::char_type, std::basic_ios< _CharT, _Traits >::exceptions(), std::basic_ios< _CharT, _Traits >::fill(), std::ios_base::flags(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::operator<< (unsigned int __n) [inline, inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 203 of file ostream.

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::operator<< (int __n) [inline, inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 192 of file ostream.

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::operator<< (unsigned short __n) [inline, inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 188 of file ostream.

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::operator<< (short __n) [inline, inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 177 of file ostream.

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (bool __n) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 153 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (unsigned long __n) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 215 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (long __n) [inherited]

Basic arithmetic inserters.Parameters:
    A variable of builtin type.

Returns:
    *this if successful

These functions use the stream's current locale (specifically, the num_get facet) to perform numeric formatting.

Definition at line 178 of file ostream.tcc.

References std::basic_ostream< _CharT, _Traits >::char_type, std::basic_ios< _CharT, _Traits >::exceptions(), std::basic_ios< _CharT, _Traits >::fill(), std::ios_base::flags(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (ios_base &(* __pf)(ios_base &)) [inherited]

Interface for manipulators.Manuipulators such as std::endl and std::hex use these functions in constructs like 'std::cout << std::endl'. For more information, see the iomanip header.

Definition at line 106 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (__ios_type &(* __pf)(__ios_type &)) [inherited]

Interface for manipulators.Manuipulators such as std::endl and std::hex use these functions in constructs like 'std::cout << std::endl'. For more information, see the iomanip header.

Definition at line 84 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::operator<< (__ostream_type &(* __pf)(__ostream_type &)) [inherited]

Interface for manipulators.Manuipulators such as std::endl and std::hex use these functions in constructs like 'std::cout << std::endl'. For more information, see the iomanip header.

Definition at line 62 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::exceptions().

  streamsize std::ios_base::precision (streamsize __prec) [inline, inherited]

Changing flags.Parameters:
    prec The new precision value.

Returns:
    The previous value of precision().

Definition at line 552 of file ios_base.h.

  streamsize std::ios_base::precision () const [inline, inherited]

Flags access.Returns:
    The precision to generate on certain output operations.

Definition at line 544 of file ios_base.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::put (char_type __c) [inherited]

Simple insertion.Parameters:
    c The character to insert.

Returns:
    *this

Tries to insert c.

Note:
    This function is not overloaded on signed char and unsigned char.

Definition at line 380 of file ostream.tcc.

References std::basic_ostream< _CharT, _Traits >::int_type, std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< _CharT, _Traits >::setstate().

Referenced by std::endl(), and std::ends().

  void*& std::ios_base::pword (int __ix) [inline, inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 640 of file ios_base.h.

  template<typename _CharT, typename _Traits> basic_streambuf< _CharT, _Traits > * std::basic_ios< _CharT, _Traits >::rdbuf (basic_streambuf< _CharT, _Traits > * __sb) [inherited]

Changing the underlying buffer.Parameters:
    sb The new stream buffer.

Returns:
    The previous stream buffer.

Associates a new buffer with the current stream, and clears the error state.

Due to historical accidents which the LWG refuses to correct, the I/O library suffers from a design error: this function is hidden in derived classes by overrides of the zero-argument rdbuf(), which is non-virtual for hysterical raisins. As a result, you must use explicit qualifications to access this function via any derived class.

Definition at line 51 of file basic_ios.tcc.

References std::basic_ios< _CharT, _Traits >::clear().

  template<typename _CharT, typename _Traits, typename _Alloc> __stringbuf_type* std::basic_ostringstream< _CharT, _Traits, _Alloc >::rdbuf () const [inline]

Accessing the underlying buffer.Returns:
    The current basic_stringbuf buffer.

This hides both signatures of std::basic_ios::rdbuf(). Reimplemented from std::basic_ios< _CharT, _Traits >.

Definition at line 494 of file sstream.

  template<typename _CharT, typename _Traits> iostate std::basic_ios< _CharT, _Traits >::rdstate () const [inline, inherited]

Returns the error state of the stream buffer.Returns:
    A bit pattern (well, isn't everything?)

See std::ios_base::iostate for the possible bit values. Most users will call one of the interpreting wrappers, e.g., good().

Definition at line 125 of file basic_ios.h.

Referenced by std::basic_ios< char, _Traits >::bad(), std::basic_ios< _CharT, _Traits >::clear(), std::basic_ios< char, _Traits >::eof(), std::basic_ios< char, _Traits >::fail(), and std::basic_ios< char, _Traits >::good().

  void std::ios_base::register_callback (event_callback __fn, int __index) [inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 341 of file ios.cc.

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::seekp (off_type, ios_base::seekdir) [inherited]

Changing the current write position.Parameters:
    off A file offset object.
    dir The direction in which to seek.

Returns:
    *this

If fail() is not true, calls rdbuf()->pubseekoff(off,dir). If that function fails, sets failbit.

Definition at line 451 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::fail(), std::basic_ostream< _CharT, _Traits >::off_type, std::basic_ostream< _CharT, _Traits >::pos_type, std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< _CharT, _Traits >::setstate().

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits > & std::basic_ostream< _CharT, _Traits >::seekp (pos_type) [inherited]

Changing the current write position.Parameters:
    pos A file position object.

Returns:
    *this

If fail() is not true, calls rdbuf()->pubseekpos(pos). If that function fails, sets failbit.

Definition at line 432 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::fail(), std::basic_ostream< _CharT, _Traits >::off_type, std::basic_ostream< _CharT, _Traits >::pos_type, std::basic_ios< _CharT, _Traits >::rdbuf(), and std::basic_ios< _CharT, _Traits >::setstate().

  fmtflags std::ios_base::setf (fmtflags __fmtfl, fmtflags __mask) [inline, inherited]

Setting new format flags.Parameters:
    fmtfl Additional flags to set.
    mask The flags mask for fmtfl.

Returns:
    The previous format control flags.

This function clears mask in the format flags, then sets fmtfl & mask. An example mask is ios_base::adjustfield.

Definition at line 517 of file ios_base.h.

  fmtflags std::ios_base::setf (fmtflags __fmtfl) [inline, inherited]

Setting new format flags.Parameters:
    fmtfl Additional flags to set.

Returns:
    The previous format control flags.

This function sets additional flags in format control. Flags that were previously set remain set.

Definition at line 500 of file ios_base.h.

Referenced by std::boolalpha(), std::dec(), std::fixed(), std::hex(), std::internal(), std::left(), std::oct(), std::right(), std::scientific(), std::showbase(), std::showpoint(), std::showpos(), std::skipws(), std::unitbuf(), and std::uppercase().

  template<typename _CharT, typename _Traits> void std::basic_ios< _CharT, _Traits >::setstate (iostate __state) [inline, inherited]

Sets additional flags in the error state.Parameters:
    state The additional state flag(s) to set.

See std::ios_base::iostate for the possible bit values.

Definition at line 145 of file basic_ios.h.

Referenced by std::basic_fstream< _CharT, _Traits >::close(), std::basic_ofstream< _CharT, _Traits >::close(), std::basic_ifstream< _CharT, _Traits >::close(), std::basic_ostream< _CharT, _Traits >::flush(), std::basic_istream< _CharT, _Traits >::get(), std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), std::basic_fstream< _CharT, _Traits >::open(), std::basic_ofstream< _CharT, _Traits >::open(), std::basic_ifstream< _CharT, _Traits >::open(), std::operator<<(), std::basic_ostream< _CharT, _Traits >::operator<<(), std::basic_istream< _CharT, _Traits >::operator>>(), std::operator>>(), std::basic_ostream< _CharT, _Traits >::put(), std::basic_istream< _CharT, _Traits >::putback(), std::basic_istream< _CharT, _Traits >::read(), std::basic_istream< _CharT, _Traits >::readsome(), std::basic_istream< _CharT, _Traits >::seekg(), std::basic_ostream< _CharT, _Traits >::seekp(), std::basic_istream< _CharT, _Traits >::sentry::sentry(), std::basic_istream< _CharT, _Traits >::sync(), std::basic_istream< _CharT, _Traits >::unget(), std::ws(), and std::basic_ostream< _CharT, _Traits >::sentry::~sentry().

  template<typename _CharT, typename _Traits, typename _Alloc> void std::basic_ostringstream< _CharT, _Traits, _Alloc >::str (const __string_type & __s) [inline]

Setting a new buffer.Parameters:
    s The string to use as a new sequence.

Calls rdbuf()->str(s).

Definition at line 512 of file sstream.

  template<typename _CharT, typename _Traits, typename _Alloc> __string_type std::basic_ostringstream< _CharT, _Traits, _Alloc >::str () const [inline]

Copying out the string buffer.Returns:
    rdbuf()->str()

Definition at line 502 of file sstream.

  bool std::ios_base::sync_with_stdio (bool __sync = true) [static, inherited]

Interaction with the standard C I/O objects.Parameters:
    sync Whether to synchronize or not.

Returns:
    True if the standard streams were previously synchronized.

The synchronization referred to is 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++/27_io/howto.html#8 for more.

Definition at line 372 of file ios.cc.

  template<typename _CharT, typename _Traits> basic_ostream< _CharT, _Traits >::pos_type std::basic_ostream< _CharT, _Traits >::tellp () [inherited]

Getting the current write position.Returns:
    A file position object.

If fail() is not false, returns pos_type(-1) to indicate failure. Otherwise returns rdbuf()->pubseekoff(0,cur,out).

Definition at line 421 of file ostream.tcc.

References std::basic_ios< _CharT, _Traits >::fail(), std::basic_ostream< _CharT, _Traits >::pos_type, and std::basic_ios< _CharT, _Traits >::rdbuf().

  template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>* std::basic_ios< _CharT, _Traits >::tie (basic_ostream< _CharT, _Traits > * __tiestr) [inline, inherited]

Ties this stream to an output stream.Parameters:
    tiestr The output stream.

Returns:
    The previously tied output stream, or NULL if the stream was not tied.

This sets up a new tie; see tie() for more.

Definition at line 280 of file basic_ios.h.

  template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>* std::basic_ios< _CharT, _Traits >::tie () const [inline, inherited]

Fetches the current tied stream.Returns:
    A pointer to the tied stream, or NULL if the stream is not tied.

A stream may be tied (or synchronized) to a second output stream. When this stream performs any I/O, the tied stream is first flushed. For example, std::cin is tied to std::cout.

Definition at line 268 of file basic_ios.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt(), and std::basic_istream< _CharT, _Traits >::sentry::sentry().

  void std::ios_base::unsetf (fmtflags __mask) [inline, inherited]

Clearing format flags.Parameters:
    mask The flags to unset.

This function clears mask in the format flags.

Definition at line 532 of file ios_base.h.

Referenced by std::noboolalpha(), std::noshowbase(), std::noshowpoint(), std::noshowpos(), std::noskipws(), std::nounitbuf(), and std::nouppercase().

  template<typename _CharT, typename _Traits> _CharT std::basic_ios< _CharT, _Traits >::widen (char __c) const [inherited]

Widens characters.Parameters:
    c The character to widen.

Returns:
    The widened character.

Maps a character of char to a character of char_type.

Returns the result of

    std::use_facet< ctype<char_type> >(getloc()).widen(c)

Additional l10n notes are at http://gcc.gnu.org/onlinedocs/libstdc++/22_locale/howto.html

Definition at line 124 of file basic_ios.tcc.

References std::basic_ios< _CharT, _Traits >::char_type.

Referenced by std::endl(), std::basic_ios< char, _Traits >::fill(), and std::operator<<().

  streamsize std::ios_base::width (streamsize __wide) [inline, inherited]

Changing flags.Parameters:
    wide The new width value.

Returns:
    The previous value of width().

Definition at line 574 of file ios_base.h.

  streamsize std::ios_base::width () const [inline, inherited]

Flags access.Returns:
    The minimum field width to generate on output operations.

Definition at line 566 of file ios_base.h.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt(), std::operator<<(), and std::operator>>().

  template<typename _CharT, typename _Traits> __ostream_type& std::basic_ostream< _CharT, _Traits >::write (const char_type * __s, streamsize __n) [inherited]

Character string insertion.Parameters:
    s The array to insert.
    n Maximum number of characters to insert.

Returns:
    *this

Characters are copied from s and inserted into the stream until one of the following happens:

•   n characters are inserted

•   inserting into the output sequence fails (in this case, badbit will be set in the stream's error state)

Note:
    This function is not overloaded on signed char and unsigned char.

Referenced by std::operator<<().

  int std::ios_base::xalloc () throw () [static, inherited]

Todo
    Doc me! See docs/doxygen/TODO and http://gcc.gnu.org/ml/libstdc++/2002-02/msg00003.html for more.

Definition at line 249 of file ios.cc.

Member Data Documentation

  const ios_base::fmtflags std::ios_base::adjustfield [static, inherited]

A mask of left|right|internal. Useful for the 2-arg form of setf.

Definition at line 130 of file ios.cc.

  const ios_base::openmode std::ios_base::app [static, inherited]

Seek to end before each write.

Definition at line 139 of file ios.cc.

  const ios_base::openmode std::ios_base::ate [static, inherited]

Open and seek to end immediately after opening.

Definition at line 140 of file ios.cc.

  const ios_base::iostate std::ios_base::badbit [static, inherited]

Indicates a loss of integrity in an input or output sequence (such as an irrecoverable read error from a file).

Definition at line 134 of file ios.cc.

Referenced by std::basic_ios< char, _Traits >::bad(), std::basic_ios< _CharT, _Traits >::clear(), std::basic_ios< char, _Traits >::fail(), and std::basic_ios< _CharT, _Traits >::init().

  const ios_base::fmtflags std::ios_base::basefield [static, inherited]

A mask of dec|oct|hex. Useful for the 2-arg form of setf.

Definition at line 131 of file ios.cc.

  const ios_base::seekdir std::ios_base::beg [static, inherited]

Request a seek relative to the beginning of the stream.

Definition at line 146 of file ios.cc.

  const ios_base::openmode std::ios_base::binary [static, inherited]

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++/27_io/howto.html#3 and http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more.

Definition at line 141 of file ios.cc.

  const ios_base::fmtflags std::ios_base::boolalpha [static, inherited]

Insert/extract bool in alphabetic rather than numeric format.

Definition at line 115 of file ios.cc.

  const ios_base::seekdir std::ios_base::cur [static, inherited]

Request a seek relative to the current position within the sequence.

Definition at line 147 of file ios.cc.

  const ios_base::fmtflags std::ios_base::dec [static, inherited]

Converts integer input or generates integer output in decimal base.

Definition at line 116 of file ios.cc.

  const ios_base::seekdir std::ios_base::end [static, inherited]

Request a seek relative to the current end of the sequence.

Definition at line 148 of file ios.cc.

  const ios_base::iostate std::ios_base::eofbit [static, inherited]

Indicates that an input operation reached the end of an input sequence.

Definition at line 135 of file ios.cc.

Referenced by std::basic_ios< char, _Traits >::eof().

  const ios_base::iostate std::ios_base::failbit [static, inherited]

Indicates that an input operation failed to read the expected characters, or that an output operation failed to generate the desired characters.

Definition at line 136 of file ios.cc.

Referenced by std::basic_ios< char, _Traits >::fail().

  const ios_base::fmtflags std::ios_base::fixed [static, inherited]

Generate floating-point output in fixed-point notation.

Definition at line 117 of file ios.cc.

  const ios_base::fmtflags std::ios_base::floatfield [static, inherited]

A mask of scientific|fixed. Useful for the 2-arg form of setf.

Definition at line 132 of file ios.cc.

  const ios_base::iostate std::ios_base::goodbit [static, inherited]

Indicates all is well.

Definition at line 137 of file ios.cc.

Referenced by std::basic_ios< _CharT, _Traits >::init().

  const ios_base::fmtflags std::ios_base::hex [static, inherited]

Converts integer input or generates integer output in hexadecimal base.

Definition at line 118 of file ios.cc.

  const ios_base::openmode std::ios_base::in [static, inherited]

Open for input. Default for ifstream and fstream.

Definition at line 142 of file ios.cc.

Referenced by std::basic_istringstream< _CharT, _Traits, _Alloc >::basic_istringstream().

  const ios_base::fmtflags std::ios_base::internal [static, inherited]

Adds fill characters at a designated internal point in certain generated output, or identical to right if no such point is designated.

Definition at line 119 of file ios.cc.

  const ios_base::fmtflags std::ios_base::left [static, inherited]

Adds fill characters on the right (final positions) of certain generated output. (I.e., the thing you print is flush left.).

Definition at line 120 of file ios.cc.

  const ios_base::fmtflags std::ios_base::oct [static, inherited]

Converts integer input or generates integer output in octal base.

Definition at line 121 of file ios.cc.

  const ios_base::openmode std::ios_base::out [static, inherited]

Open for output. Default for ofstream and fstream.

Definition at line 143 of file ios.cc.

Referenced by std::basic_ostringstream< _CharT, _Traits, _Alloc >::basic_ostringstream().

  const ios_base::fmtflags std::ios_base::right [static, inherited]

Adds fill characters on the left (initial positions) of certain generated output. (I.e., the thing you print is flush right.).

Definition at line 122 of file ios.cc.

  const ios_base::fmtflags std::ios_base::scientific [static, inherited]

Generates floating-point output in scientific notation.

Definition at line 123 of file ios.cc.

  const ios_base::fmtflags std::ios_base::showbase [static, inherited]

Generates a prefix indicating the numeric base of generated integer output.

Definition at line 124 of file ios.cc.

  const ios_base::fmtflags std::ios_base::showpoint [static, inherited]

Generates a decimal-point character unconditionally in generated floating-point output.

Definition at line 125 of file ios.cc.

  const ios_base::fmtflags std::ios_base::showpos [static, inherited]

Generates a + sign in non-negative generated numeric output.

Definition at line 126 of file ios.cc.

  const ios_base::fmtflags std::ios_base::skipws [static, inherited]

Skips leading white space before certain input operations.

Definition at line 127 of file ios.cc.

  const ios_base::openmode std::ios_base::trunc [static, inherited]

Open for input. Default for ofstream.

Definition at line 144 of file ios.cc.

  const ios_base::fmtflags std::ios_base::unitbuf [static, inherited]

Flushes output after each output operation.

Definition at line 128 of file ios.cc.

  const ios_base::fmtflags std::ios_base::uppercase [static, inherited]

Replaces certain lowercase letters with their uppercase equivalents in generated output.

Definition at line 129 of file ios.cc.

Author

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