size()

fl::size_t fl::detail::posix_filebuf::size ( ) const

overridevirtual

Implements fl::filebuf.

Definition at line 140 of file file_handle.cpp.hpp.

                                   {
    if (!mFile) {
        return 0;
    }
    // Save current position, seek to end, get size, restore position
    long cur_pos = fl::ftell(mFile);
    if (cur_pos < 0) {
        return 0;
    }
    fl::fseek(mFile, 0, fl::io::seek_end);
    long end_pos = fl::ftell(mFile);
    fl::fseek(mFile, cur_pos, fl::io::seek_set);
    if (end_pos < 0) {
        return 0;
    }
    return static_cast<fl::size_t>(end_pos);
}

References fl::fseek(), fl::ftell(), mFile, fl::io::seek_end, and fl::io::seek_set.

Referenced by operator=().

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