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2002 Oct 15 15:41

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Re: [vox-tech] gcc warning question
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Re: [vox-tech] gcc warning question

hi sam,

i wasn't really worrying about fitting numbers into correct datatypes as
much as i was the warning that my "unsigned int" was getting truncated
to an unsigned int.

seems like an odd thing for gcc to say.


begin Samuel Merritt <spam@andcheese.org> 
> On Tue, Oct 15, 2002 at 11:55:12AM -0700, Peter Jay Salzman wrote:
> > gcc warns:
> > 
> >    % .!gcc -W -Wall test.c
> >    test.c: In function `main':
> >    test.c:6: warning: large integer implicitly truncated to unsigned type
> > 
> > the variable was declared as an unsigned and the rvalue has the unsigned
> > suffix.  what's wrong with this code?   why is gcc complaining? 
> I think you need to use an unsigned long. It looks like sizeof(unsigned
> int) = 4, and 99999999999 > 2^32. 
> > pete
> > 
> > 
> > 
> > #include <stdio.h>
> > 
> > int main(void)
> > {
> > 	unsigned int size = 99999999999u;
> > 
> > 	printf("size is %u.\n", size);
> > 
> > 	return 0;
> > }

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