/usr/share/psychtoolbox-3/PsychHardware/BitsPlusToolbox/BitsPlusWriteClutRow.m is in psychtoolbox-3-common 3.0.11.20140816.dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | function checkRow=BitsPlusWriteClutRow(window, bitsPlusClutRow)
% checkRow=BitsPlusWriteClutRow(window,bitsPlusClutRow)
%
% Write CLUT to first row of image.
% 10/7/02 dhb Wrote it.
% 11/15/02 dgp Don't waste time. Return checkRow only if requested.
rect=[0 0 size(bitsPlusClutRow,2) 1];
rect=OffsetRect(rect,0,0);
Screen(window,'PutImage',bitsPlusClutRow,rect);
if nargout==1
checkRow=double(Screen(window,'GetImage',rect));
end
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