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std::basic_fstream::close

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< cpp‎ | io‎ | basic fstream
Revision as of 22:21, 2 November 2012 by P12bot (Talk | contribs)

void close();

Closes the associated file.

Effectively calls rdbuf()->close(). If an error occurs during operation, setstate(failbit) is called.

Contents

Parameters

(none)

Return value

(none)

Example

#include <string>
#include <fstream>
#include <iostream>
 
int main()
{
    std::fstream f1("example1", std::ios::out),
                 f2("example2", std::ios::out),
                 f3("example3", std::ios::out);
 
    std::cout << std::boolalpha
              << f1.is_open() << '\n'
              << f2.is_open() << '\n'
              << f3.is_open() << '\n';
 
    f1.close();
    f2.close();
 
    std::cout << f1.is_open() << '\n'
              << f2.is_open() << '\n'
              << f3.is_open() << '\n';
}

Possible output:

true
true
true
false
false
true

See also

checks if the stream has an associated file
(public member function) [edit]
opens a file and associates it with the stream
(public member function) [edit]