From Cppreference
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void setstate( iostate state );
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Sets the stream error flags state in addition to currently set flags. Essentially calls clear(rdstate() | state). May throw an exception.
[edit] Parameters
state
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-
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stream error state flags to set. It can be a combination of the following constants:
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Constant
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Explanation
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goodbit
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no error
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badbit
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irrecoverable stream error
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failbit
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input/output operation failed (formatting or extraction error)
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eofbit
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associated input sequence has reached end-of-file
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[edit] Return value
(none)
[edit] Example
[edit] See also
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returns state flags (public member function)
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clears error and eof flags (public member function)
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