Re: assignment type mismatch complaints - Mailing list pgsql-hackers

From Larry Rosenman
Subject Re: assignment type mismatch complaints
Date
Msg-id 1035675280.391.17.camel@lerlaptop.lerctr.org
Whole thread Raw
In response to Re: assignment type mismatch complaints  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: assignment type mismatch complaints
List pgsql-hackers
On Sat, 2002-10-26 at 18:27, Tom Lane wrote:
> Larry Rosenman <ler@lerctr.org> writes:
> > How concerned are we about assignment type mismatch warnings? 
> 
> They're probably all "char versus unsigned char" complaints?
Probably.  The first few I looked at are PG_GETARG_CSTRING to unsigned
char assignments.  (I can send the whole list to either you, Tom, or the
list). 

> 
> There are a ton of them on compilers that care about it; most of
> 'em in the multibyte support.  While it would be nice to clean up
> all that someday, I can't say that I think it's a really profitable
> use of time.
Ok, I understand that.  It seems that there are a bunch, but they are
just warnings. 
> 
> One difficulty is that the obvious fix (add a bunch of casts) is
> probably a net degradation of the code.  Explicit casts will hide
> mismatches that are a lot worse than char signedness, and so
> cluttering the code with them makes things more fragile IMHO.
> I think an acceptable fix would involve running around and changing
> datatype and function declarations; which is much more subtle and
> thought-requiring than throwing in a cast wherever the compiler
> burps.
Understand, and I don't expect it to happen in a beta test :-). 


> 
>             regards, tom lane
-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749



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