std::basic_filebuf::close
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<tbody> </tbody> std::basic_filebuf<CharT, Traits>* close(); |
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Si une zone de mise exister (par exemple le fichier a été ouvert en écriture),
overflow(Traits::eof()) premiers appels d'écrire toutes les sorties en attente d' le fichier, y compris les séquences unshift .Original:
If a put area exist (e.g. file was opened for writing), first calls
overflow(Traits::eof()) to write all pending output to the file, including any unshift sequences.The text has been machine-translated via Google Translate.
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Si la dernière fonction appelée, sur
underflow(), overflow(), seekpos() et seekoff(), était overflow(), puis appelle std::codecvt::unshift(), peut-être plusieurs fois, afin de déterminer la séquence unshift fonction de la localisation imprégnée et écrit que la séquence de déposer auprès overflow(Traits::eof()) .Original:
If the most recently called function, out of
underflow(), overflow(), seekpos(), and seekoff(), was overflow(), then calls std::codecvt::unshift(), perhaps multiple times, to determine the unshift sequence according to the imbued locale, and writes that sequence to file with overflow(Traits::eof()).The text has been machine-translated via Google Translate.
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Ensuite, ferme le fichier comme s'il en appelant std::fclose, indépendamment du fait que l'un des appels précédents réussi ou échoué .
Original:
Then, closes the file as if by calling std::fclose, regardless of whether any of the preceding calls succeeded or failed.
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Si l'un des faits les appels de fonction, y compris l'appel à std::fclose, échoue, retourne un pointeur nul. Si l'un des faits les appels de fonction lève une exception, l'exception est interceptée et relancée après l'appel de std::fclose. Si le fichier est déjà fermé, renvoie un pointeur nul tout de suite .
Original:
If any of the function calls made, including the call to std::fclose, fails, returns a null pointer. If any of the function calls made throws an exception, the exception is caught and rethrown after calling std::fclose. If the file is already closed, returns a null pointer right away.
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En tout cas, met à jour la variable membre privée qui est accessible par
is_open() .Original:
In any case, updates the private member variable that is accessed by
is_open().The text has been machine-translated via Google Translate.
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Paramètres
(Aucun)
Original:
(none)
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Retourne la valeur
*this en cas de succès, un pointeur NULL en cas d'échec .Original:
*this on success, a null pointer on failure.The text has been machine-translated via Google Translate.
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Notes
close() est généralement appelée par le destructeur de std::basic_filebuf (qui, à son tour, est généralement appelée par le destructeur de std::basic_fstream .Original:
close() is typically called through the destructor of std::basic_filebuf (which, in turn, is typically called by the destructor of std::basic_fstream.The text has been machine-translated via Google Translate.
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Exemple
| This section is incomplete Reason: no example |
Voir aussi
| checks if the associated file is open (fonction membre publique) | |
[ virtuel ]Original: virtual The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Détruit un objet basic_filebuf et ferme le fichier si elle est ouverte Original: destructs a basic_filebuf object and closes the file if it is open The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (function membre virtuelle publique) |