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Re: 'xxx' may be used uninitialized in this function
On Wed, Aug 09, 2006 at 08:35:42AM -0700, Bruce Korb wrote:
> or else:
>
> extern void yyy( int* zzz __sets_value__ );
>
> void foo(void) {
> int xxx;
> yyy( &xxx );
> ....
>
> Where "__sets_value__" implies both that the current value is not
> accessed and that it will be set before returning, so hush up about
> any uninitialized argument value.
There's more to it than that, unless your compiler is very broken.
GCC should not warn for "int x; foo (&x);".
--
Daniel Jacobowitz
CodeSourcery