Re: [Exim-dev] Code quality measurements and automated check…

Pàgina inicial
Delete this message
Reply to this message
Autor: Philip Hazel
Data:  
A: Andreas Metzler
CC: exim-dev
Assumpte: Re: [Exim-dev] Code quality measurements and automated checks
On Thu, 24 Jun 2004, Andreas Metzler wrote:

> As you just mention compiler warnings: exim needs
> -fno-strict-aliasing as there are many instances of "dereferencing
> type-punned pointer will break strict-aliasing rules", caused by casts
> like "(char **)(&foo)" where foo is a pointer to unsigned char
> (sourcecode: CSS(foo) with foo being a uchar).


Indeed. That is one of the warnings I have to turn off. I wish the
original designers of the C standard had thought a bit more about the
signed/unsigned char issue. It is a *huge* hassle to deal with and I
have been "gotcha'd" by it many times.

Regards,
Philip

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.