[screen-devel] [bug #50197] out of bounds write when dimensions are still 0, 0

[Amadeusz Sławiński]

Update of bug #50197 (project screen):

                  Status:                    None => Fixed                  

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Follow-up Comment #2:

Thanks for detailed bug report and analysis.

Apparently it was already "fixed" on master branch by making Z0width and
Z1width _really_ constant.

cherry-picked to screen-v4 branch.

http://git.savannah.gnu.org/cgit/screen.git/commit/?h=screen-v4&id=a8c0d68f669eb17a2bf9d8d97f834f5cabb1dad5


Write string already has dimension check
  if (cols > 0 && rows > 0)                                                   
                                         
    {

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