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bug#1190: patch - fix crash in ftfont rendering


From: Kenichi Handa
Subject: bug#1190: patch - fix crash in ftfont rendering
Date: Fri, 17 Oct 2008 10:39:13 +0900
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)

I'm very sorry for the late response.

In article <E1KlP9J-0006lR-Cr@www9.emo.freenet-rz.de>, klchxbec@freenet.de 
writes:

> This is a fix for a crash in otf font rendering. Emacs crashed for me when 
> gsub_gpos->FeatureList.FeatureCount
> was zero and otf_langsys->FeatureCount was 2377.
[...]
> -       for (features = Qnil, k = otf_langsys->FeatureCount - 1; k >= 0; k--)
> +       for (features = Qnil, k = gsub_gpos->FeatureList.FeatureCount - 1; k 
> >= 0; k--)

As this part is collecting features for a specific language,
the above change is not good.   I'll fix the code so that
invalid otf_langsys->FeatureCount doesn't lead to crash.
Could you tell me which font causes this problem?

---
Kenichi Handa
handa@ni.aist.go.jp







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