std::basic_filebuf::overflow
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< cpp | io | basic filebuf
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| protected: virtual int_type overflow ( int_type c = Traits::eof() ); |
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Se comporta como el std::basic_streambuf::overflow clase base, excepto que para escribir los datos del área de poner a la secuencia de caracteres asociado (el archivo), primero utiliza codecvt::out() de la configuración regional impregnado para convertir los caracteres en externa (posiblemente varios bytes) representación almacenada en una búfer temporal (asignado tan grande como sea necesario), a continuación, utiliza el archivo de E / S para copiar todos los bytes completamente convertidos en el archivo .
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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Si la conversión falla con std::codecvt_base::error, devuelve Traits::eof() sin pretender ninguna salida .
Original:
If the conversion fails with std::codecvt_base::error, returns Traits::eof() without attempting any output.
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Si el archivo asociado no está abierta (is_open()==false, devuelve Traits::eof() antes de hacer nada .
Original:
If the associated file is not open (is_open()==false, returns Traits::eof() before doing anything.
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Contenido |
[editar] Parámetros
(Ninguno)
Original:
(none)
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[editar] Valor de retorno
Traits::not_eof(c) para indicar el éxito o fracaso Traits::eof() para indicar .
Original:
Traits::not_eof(c) to indicate success or Traits::eof() to indicate failure.
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[editar] Ejemplo
| This section is incomplete Reason: no example |
[editar] Ver también
| [virtual] |
escribe los caracteres a la secuencia de salida asociado del área de venta 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. (virtuales protegidos of std::basic_streambuf miembro de función)
|
| [virtual] |
lee el archivo asociado 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. (virtuales protegidos miembro de función) |
