Re: [MinGW-dvlpr] ctype.h and type conversions

[Danny S. <dan...@cl...>]

----- Original Message -----
From: "Earnie Boyd" <ear...@ya...>
To: <min...@li...>
Sent: Tuesday, 13 August 2002 12:31
Subject: Re: [MinGW-dvlpr] ctype.h and type conversions


> Danny Smith wrote:
> >
> > Try this with -Wconversion:
> >
> > unsigned short foo(unsigned short i)
> > { return i;}
> >
> > int main()
> > {
> >   unsigned short t=1;
> >   return foo(t);
> > }
> >
> > Why should that raise a warning??
> >
>
> Wow, so, is it due to methods used to pass the parameter?  Since a
> register would be 32bits, if the parameter is passed in a register,
then
> it would be promoted to 32bit from 16bit; but should that give a
> conversion warning?  I'll let you more advanced GCC developers have at
> that and I'll just go hide and wait. ;T
>


First do a search and find this thread:
http://sources.redhat.com/ml/glibc-linux/2000-q2/msg00085.html

Danny