Re: warning: '<some_var>' may be used uninitialized in this function

[Perry Smith <pedz at easesoftware dot net>]

Because best.score is set to 0 up front, he is expecting the || (or)  
to short circuit and never test best.d.

But... getting a compiler to figure that out is expecting too much.   
Did you try up'ing the optimization level (just out of curiosity)?


On Jan 12, 2006, at 9:01 AM, Diego Novillo wrote:

> On Thursday 12 January 2006 09:53, Christian.Iseli@licr.org wrote:
>
> > On my FC4 box with gcc version 4.0.2 20051125 (Red Hat 4.0.2-8) it  
> > says:
> > testit.c: In function 'testit':
> > testit.c:6: warning: 'best.d' may be used uninitialized in this  
> > function
> The warning is valid.  You are not guaranteeing that best.d will be
> initialized.  What if all the values in array 'a' are < 0?
>
> Your best bet is
>
> struct {int score; int d;} best = {0,0};