std::basic_ios<CharT,Traits>::rdstate - cppreference.com (original) (raw)

C++

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Input/output library

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std::basic_ios

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| iostate rdstate() const; | | | | ------------------------ | | |

Returns the current stream error state.

Contents

• 1 Parameters
• 2 Return value
• 3 Example
• 4 See also

[edit] Parameters

(none)

[edit] Return value

current stream error state. It is a bitmask type and can be a combination of the following constants:

[edit] Example

Run this code

#include #include   int main() { std::ostringstream stream;   if (stream.rdstate() == std::ios_base::goodbit) std::cout << "stream state is goodbit\n";   stream.setstate(std::ios_base::eofbit);   // check state is exactly eofbit (no failbit and no badbit) if (stream.rdstate() == std::ios_base::eofbit) std::cout << "stream state is eofbit\n"; }

Output:

stream state is goodbit stream state is eofbit

[edit] See also