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Asked: 2026-05-18T19:52:00+00:00

Is there any direct way to calculate size of internal string in stringstream? Here,

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Is there any direct way to calculate size of internal string in stringstream?

Here, str() returns a copy and then it gets the size of string.

std::stringstream oss("String");
oss.str().size();
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1 Answer

  1. Editorial Team
    std::stringstream oss("String");
oss.seekp(0, ios::end);
stringstream::pos_type offset = oss.tellp();

    This is for the write pointer, but the result is the same for read pointer on Visual C++ v10.

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