From:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Clobbering
Date:	20 Oct 1997 06:08:40 GMT
Organization:	The National Capital FreeNet
Lines:	19
Message-ID:	<62esh8$egs@freenet-news.carleton.ca>
References:	<F8259F6C2D AT fs2 DOT mt DOT umist DOT ac DOT uk>
Reply-To:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
NNTP-Posting-Host:	freenet6.carleton.ca
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

"Anthony.Appleyard" (MCLSSAA2 AT fs2 DOT mt DOT umist DOT ac DOT uk) writes:
>   macros.cc:395: warning: variable `class val * this' might be clobbered by
> `longjmp' or `vfork'
> 
>   Confusingly, this line is in a function `void buffer::translate()', and I
> would have thought that the current `this*' would be a `class buffer*' not a
> `class val*'! The offending line is:-
>     if(T1.n>0) namemacro(val(1,0),T1,val(Record)); *K=*Record;}
>   where val() is a constructor for a `class val' that I declared.

If the val constructor you used is inlined, then it will report a problem
with val *this in that constructor on some line that calls it, such as the
one above.
--
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire ao950 AT freenet DOT carleton DOT ca, http://chat.carleton.ca/~pderbysh

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