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Roman Popov ripopov

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graphitemaster / WORKING_AROUND_OFFSETOF_LIMITATIONS.MD
Last active June 27, 2025 16:17
Working around offsetof limitations in C++

Working around offsetof limitations in C++:

There is sometimes a situation in which one needs to get the relative offset of a structure field, common examples of this include serialization frameworks which aid to serialize objects, vertex attributes for rendering (D3D, GL.), etc.

The most common technique for getting this information is through the offsetof macro defined in stddef.h. Unfortunately using the macro in C++ comes with a new set of restrictions that prevent some (subjectively valid) uses of it.

# It looks like -multiwindow mode triggers the static color visual in both the internal x2go xserver and the external vcxsrv
# But it also looks like -multiwindow mode is how x2go client allows resizing of the remote desktop
# ...so I'm looking for a way to allow resizing of remote desktop w/out triggering static color visual.
#
# ...output of vcxsrv.exe's usage note:
Usage...
Vcxsrv [:<display>] [option]
:display-number