std::basic_filebuf::overflow
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| protected: virtual int_type overflow ( int_type c = Traits::eof() ); |
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Se comporta como o std::basic_streambuf::overflow classe base, exceto que para escrever os dados da área para colocar a seqüência de caracteres associada (o arquivo), primeiro usa codecvt::out() do local imbuído para converter os caracteres em representação (possivelmente multibyte) externa, armazenada em um buffer temporário (alocados tão grande quanto necessário), em seguida, usa o arquivo I / O para copiar todos os bytes totalmente convertido para o arquivo.
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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Se a conversão falhar com std::codecvt_base::error, retorna Traits::eof() sem tentar qualquer saída.
Original:
If the conversion fails with std::codecvt_base::error, returns Traits::eof() without attempting any output.
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Se o arquivo associado não está aberto (is_open()==false, retorna Traits::eof() antes de fazer qualquer coisa.
Original:
If the associated file is not open (is_open()==false, returns Traits::eof() before doing anything.
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Índice |
[editar] Parâmetros
(Nenhum)
Original:
(none)
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[editar] Valor de retorno
Traits::not_eof(c) para indicar sucesso ou Traits::eof() para indicar falha.
Original:
Traits::not_eof(c) to indicate success or Traits::eof() to indicate failure.
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[editar] Exemplo
| Esta seção está incompleta Motivo: sem exemplo |
[editar] Veja também
| [virtual] |
escreve caracteres para a seqüência de saída associado da área de venda 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. (virtual protegido of std::basic_streambuf função de membro)
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| [virtual] |
lê o arquivo associado 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. (virtual protegido função de membro) |
