Re: Font related crash?

[martin rudalics <rudalics@gmx.at>]

 > It can't, but later we have this:
 >
 >    FRAME_DISPLAY_INFO (f)->n_fonts++;
 >    if (FRAME_DISPLAY_INFO (f)->n_fonts == 1)
 >      {
 >        FRAME_SMALLEST_CHAR_WIDTH (f) = min_width;
 >        FRAME_SMALLEST_FONT_HEIGHT (f) = height;
 >        f->fonts_changed = 1;
 >      }
 >    else
 >      {
 >        if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width)
 > 	FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, f->fonts_changed = 1;
 >        if (FRAME_SMALLEST_FONT_HEIGHT (f) > height)
 > 	FRAME_SMALLEST_FONT_HEIGHT (f) = height, f->fonts_changed = 1;
 >      }
 >
 > If, for some reason, n_fonts is not zero,

Indeed.  Though such behavior would be unforeseen and probably buggy
too.

 > and
 > FRAME_SMALLEST_CHAR_WIDTH is zero, this will not do anything, and will
 > leave FRAME_SMALLEST_CHAR_WIDTH at zero.
 >
[...]
 >>   > Or maybe when we create a frame we should simply initialize
 >>   > FRAME_SMALLEST_CHAR_WIDTH to 1 (and similarly with
 >>   > FRAME_SMALLEST_FONT_HEIGHT).
 >>
 >> Or have these macros never provide zero.  My only concern is that this
 >> might hide some underlying problem.
 >
 > Yes, but which one?  Did you try reproducing this on X?

I don't have these fontsets.

martin