[Octave-bug-tracker] [bug #44806] MXE Octave freezes after print command

[Avinoam Kalma]

Follow-up Comment #20, bug #44806 (project octave):

I have added checking of return values

+verbatin+
    if (drawn_axes)
      {
        GLint vp[4];
        GLint rv;

        rv = gl2psEndViewport ();
        std::cout << " gl2psEndViewport: " << rv << std::endl;

        glGetIntegerv (GL_VIEWPORT, vp);
        std::cout << "Viewport: " << vp[0] << ", " <<  vp[1] << ", "
                  <<  vp[2] << ", " <<  vp[3] << std::endl;
        rv = gl2psBeginViewport (vp);
        std::cout << " gl2psBeginViewport: " << rv << std::endl;
      }


but the result is


>> plot (1:10, ';foo;')

>> print -dpsc e1.ps
### after killing gs.exe
gl2psEndViewport: 0
Viewport: 0, 0, 576, 432
gl2psBeginViewport: 0
GL2PS warning: Unknown token in buffer


The return values for gl2psEndViewport and gl2psBeginViewport are both 0.


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