std::basic_ifstream::open
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< cpp | io | basic ifstream
void open( const char *filename,
ios_base::openmode mode = ios_base::in ); |
(1) | |
void open( const std::string &filename,
ios_base::openmode mode = ios_base::in ); |
(2) | (since C++11) |
Opens and associates the file with name filename
with the file stream.
Calls setstate(failbit) on failure.
Calls clear() on success. | (since C++11) |
1) Effectively calls rdbuf()->open(filename, mode | ios_base::in). (see std::basic_filebuf::open for the details on the effects of that call)
2) Effectively calls (1) as if by open(filename.c_str(), mode).
Contents |
[edit] Parameters
filename | - | the name of the file to be opened | ||||||||||||||
mode | - | specifies stream open mode. It is bitmask type, the following constants are defined:
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[edit] Return value
(none)
[edit] Example
This section is incomplete Reason: no example |
[edit] See also
checks if the stream has an associated file (public member function) |
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closes the associated file (public member function) |
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opens a file and configures it as the associated character sequence (public member function of std::basic_filebuf )
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