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    std::basic_fstream::open

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    <metanoindex/>

     
    C++
     
    D'entre / sortie de bibliothque
    I / O manipulateurs
    C-style I / O
    Tampons
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf (obsolte)
    Cours d'eau
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    Streams
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    Abstractions
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Fichier E / O
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    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    Chane I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Tableau I / O
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    Array I/O
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    istrstream (obsolte)
    ostrstream (obsolte)
    strstream (obsolte)
    Types
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    Types
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    streamoff
    streamsize
    fpos
    Interface catgorie d'erreur
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    Error category interface
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    iostream_category (C++11)
    io_errc (C++11)
     
    std::basic_fstream
    Les fonctions membres
    Original:
    Member functions
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    basic_fstream::basic_fstream
    basic_fstream::operator= (C++11)
    basic_fstream::swap (C++11)
    basic_fstream::rdbuf
    Oprations sur les fichiers
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    File operations
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    basic_fstream::is_open
    basic_fstream::open
    basic_fstream::close
    Tiers fonctions
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    Non-member functions
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    basic_fstream::swap(std::basic_fstream) (C++11)
     
    <tbody> </tbody>
    void open( const char *filename, ios_base::openmode mode = ios_base::in|ios_base::out );
    void open( const std::string &filename, ios_base::openmode mode = ios_base::in|ios_base::out );
    		 (depuis C++11)
    S'ouvre et associs de fichiers avec le flux de fichier. Appels clear() en cas de succs ou d'chec .. setstate(failbit) sur
    Original:
    Opens and associates file with the file stream. Calls clear() on success or setstate(failbit) on failure.
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    La premire version efficacement appelle rdbuf()->open(filename, mode).
    Original:
    The first version effectively calls rdbuf()->open(filename, mode).
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    La deuxime version efficacement appelle open(filename.c_str(), mode) .
    Original:
    The second version effectively calls open(filename.c_str(), mode).
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    Paramtres

    filename -
    le nom du fichier ouvrir
    Original:
    the name of the file to be opened
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    mode -
    spcifie le mode de flux ouvert. Il est de type masque, les constantes suivantes sont dfinies:
    Constante
    Original:
    Constant
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    		 Explanation
    app
    demander l'extrmit du flux avant chaque criture
    Original:
    seek to the end of stream before each write
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    binary
    ouvrir en mode binaire
    Original:
    open in binary mode
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    in
    ouvrir en lecture
    Original:
    open for reading
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    out
    ouvrir en criture
    Original:
    open for writing
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    trunc
    jeter le contenu du courant lors de l'ouverture
    Original:
    discard the contents of the stream when opening
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    ate
    demander l'extrmit du flux immdiatement aprs ouverture
    Original:
    seek to the end of stream immediately after open
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    Original:
    specifies stream open mode. It is bitmask type, the following constants are defined:
    Constante
    Original:
    Constant
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    		 Explanation
    app
    demander l'extrmit du flux avant chaque criture
    Original:
    seek to the end of stream before each write
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    binary
    ouvrir en mode binaire
    Original:
    open in binary mode
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    in
    ouvrir en lecture
    Original:
    open for reading
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    out
    ouvrir en criture
    Original:
    open for writing
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    trunc
    jeter le contenu du courant lors de l'ouverture
    Original:
    discard the contents of the stream when opening
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    ate
    demander l'extrmit du flux immdiatement aprs ouverture
    Original:
    seek to the end of stream immediately after open
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    The text has been machine-translated via Google Translate.
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    Retourne la valeur

    (Aucun)
    Original:
    (none)
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    Exemple

    This section is incomplete
    Reason: no example

    Voir aussi
    vrifie si le flux a un fichier associ
    Original:
    checks if the stream has an associated file
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    (fonction membre publique) [edit]
    ferme le fichier associ
    Original:
    closes the associated file
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    (fonction membre publique) [edit]
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