[Xcb] [PATCH] c_client.py: Always initialize xcb_align_to

[Peter Harris]

On 2013-08-12 17:46, Daniel Martin wrote:
>     if(present & XCB_XKB_MAP_PART_KEY_TYPES) {
>         /* insert padding */
>         xcb_pad = -xcb_block_len & (xcb_align_to - 1);
>         ...
> 
> Why doesn't it show up with -O2?

At -O2, the compiler optimizes "-variable_it_can_prove_is_zero &
any_expression_without_side_effects" to the constant "0", so it doesn't
read xcb_align_to, so it doesn't emit the warning for reading an
uninitialized value (because it doesn't).

I'm in favour of always initializing xcb_align_to.

Peter Harris
-- 
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