std::basic_filebuf::overflow
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| protected: virtual int_type overflow ( int_type c = Traits::eof() ); |
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Verhält sich wie die Basisklasse std::basic_streambuf::overflow, außer dass die Daten aus der Put Bereich der zugeordneten Zeichenfolge (an der Datei) einzutragen, verwendet zuerst codecvt::out() des durchdrungen Gebietsschema, um die Zeichen in äußere (möglicherweise Multibyte) Darstellung, in einer Datenbank gespeichert zu konvertieren temporären Puffer (zugeteilten so groß wie nötig), dann verwendet Datei-I / O, alle voll konvertierten Bytes in der Datei kopieren .
Original:
Behaves like the base class std::basic_streambuf::overflow, except that to write the data from the put area to the associated character sequence (to the file), first uses codecvt::out() of the imbued locale to convert the characters into external (possibly multibyte) representation, stored in a temporary buffer (allocated as large as necessary), then uses file I/O to copy all fully-converted bytes into the file.
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Wenn die Konvertierung fehlschlägt mit std::codecvt_base::error, gibt Traits::eof() ohne zu versuchen, jede Ausgabe .
Original:
If the conversion fails with std::codecvt_base::error, returns Traits::eof() without attempting any output.
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Wenn die zugehörige Datei nicht geöffnet ist (is_open()==false, gibt Traits::eof(), bevor Sie etwas .
Original:
If the associated file is not open (is_open()==false, returns Traits::eof() before doing anything.
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Inhaltsverzeichnis |
[Bearbeiten] Parameter
(None)
Original:
(none)
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[Bearbeiten] Rückgabewert
Traits::not_eof(c) um Erfolg oder Traits::eof() zeigen zum Scheitern .
Original:
Traits::not_eof(c) to indicate success or Traits::eof() to indicate failure.
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[Bearbeiten] Beispiel
| This section is incomplete Reason: no example |
[Bearbeiten] Siehe auch
| [virtuell] |
schreibt Zeichen auf die zugehörige Ausgangsscheibe Sequenz aus dem Bereich gebracht Original: writes characters to the associated output sequence from the put area The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen geschützten Member-Funktion of std::basic_streambuf)
|
| [virtuell] |
liest aus der zugehörigen Datei Original: reads from the associated file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuellen geschützten Member-Funktion) |
