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Re: divide-by-zero during redisplay
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From: |
Kenichi Handa |
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Subject: |
Re: divide-by-zero during redisplay |
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Date: |
Tue, 27 May 2008 10:44:58 +0900 |
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User-agent: |
SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/23.0.60 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
In article <address@hidden>, Miles Bader <address@hidden> writes:
> In the function "xfont_open", there's this code (line 611):
> int width = font->space_width, n = pcm != NULL;
> for (char2b.byte2 = 33; char2b.byte2 <= 126; char2b.byte2++)
> if ((pcm = xfont_get_pcm (xfont, &char2b)) != NULL)
> width += pcm->width, n++;
> font->average_width = width / n;
> I'm getting divide-by-zeros during redisplay, because n == 0.
> Maybe this represents some degenerate condition (I'm having a hard time
> reproducing it currently; I saw it happen while displaying rcirc channel
> buffers), but still, it seems the code should avoid dividing by zero in
> such a case.
Right. I've just installed a fix.
---
Kenichi Handa
address@hidden