std::basic_ios::init

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari (C++11)

Operazioni atomicche (C++11)

Multithreading (C++11)

 

Ingresso / libreria di output

I / O manipolatori

C-style I / O

Buffer Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (deprecato)

Streams Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Astrazioni Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

String I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Array I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (deprecato)

ostrstream (deprecato)

strstream (deprecato)

Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Errore categoria interfaccia Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

std::basic_ios

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ios::basic_ios

basic_ios::~basic_ios

Le funzioni dello Stato Original: State functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ios::good

basic_ios::eof

basic_ios::fail

basic_ios::bad

basic_ios::operator!

basic_ios::operator bool

basic_ios::rdstate

basic_ios::setstate

basic_ios::clear

Formattazione Original: Formatting The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ios::copyfmt

basic_ios::fill

Varie Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ios::exceptions

basic_ios::imbue

basic_ios::rdbuf

basic_ios::tie

basic_ios::narrow

basic_ios::widen

Protetto funzioni membro Original: Protected member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ios::init

basic_ios::move

basic_ios::swap

basic_ios::set_rdbuf

 

protected: void init( std::basic_streambuf<CharT,Traits>* sb );

Consente di impostare il buffer associato al flusso sb e inizializza lo stato interno.

Original:

Sets the associated stream buffer to sb and initializes the internal state.

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Le post sono i seguenti:

Original:

The postconditions are as follows:

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Element	Value
rdbuf()	sb
tie()	NULL
rdstate()	goodbit if sb is not NULL, otherwise badbit
exceptions()	goodbit
flags()	skipws | dec
width()	​0​
precision()	6
fill()	widen(' ')
getloc()	a copy of the value returned by std::locale()

Questa funzione membro è protetta: viene chiamato dai costruttori delle classi derivate flusso std::basic_istream std::basic_ostream e una volta che il buffer del flusso associato è noto. Fino a quando questa funzione viene chiamata, ogni funzione membro (diverso il distruttore) della std::basic_ios default-costruito richiama un comportamento indefinito. Si noti che basic_ios è una classe base virtuale, e quindi il suo costruttore non viene chiamato dai costruttori di queste classi direttamente derivati, ed è per questo in due fasi di inizializzazione è necessario.

Original:

This member function is protected: it is called by the constructors of the derived stream classes std::basic_istream and std::basic_ostream once the associated stream buffer is known. Until this function is called, every member function (other than the destructor) of the default-constructed std::basic_ios invokes undefined behavior. Note that basic_ios is a virtual base class, and therefore its constructor is not called by the constructors of those directly derived classes, which is why two-stage initialization is necessary.

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Parametri

sb

-

buffer del flusso di associare a Original: stream buffer to associate to The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Vedi anche

(costruttore)	Costruisce l'oggetto Original: constructs the object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)