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Re: [ft] question regarding use of volatile in Freetype
From: |
Detlef Würkner |
Subject: |
Re: [ft] question regarding use of volatile in Freetype |
Date: |
Thu, 06 Dec 2007 16:11:57 +0100 |
address@hidden (JULIAN GARDNER) wrote:
> I did a grep and found volatiles used in numerous places, can someone
> please explain why they are being used, as i understand and have used in
> the past ..... years freetype should not need volatiles, there are no
> interrupt calls and no way in which data should be changed without a call
> into the freetype engine?
IIRC using setjmp() and longjmp() with some versions of gcc requires
declaring some variables as "volatile" or it may clobber them.
Ciao, Detlef
--
_ // address@hidden
\X/ Detlef Wuerkner, Langgoens/Germany
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