[Piglit] [PATCH] glx-swap-event: Fix logical-not-parentheses warning.

[Brian Paul]

On 06/14/2016 04:57 PM, Vinson Lee wrote:
> glx-swap-event.c:161:26: warning: logical not is only applied to the left hand side of this comparison [-Wlogical-not-parentheses]
>                      if ( ! Intel_swap_event == 0 ) {
>                           ^                  ~~
> glx-swap-event.c:161:26: note: add parentheses after the '!' to evaluate the comparison first
>                      if ( ! Intel_swap_event == 0 ) {
>                           ^
>                             (                    )
> glx-swap-event.c:161:26: note: add parentheses around left hand side expression to silence this warning
>                      if ( ! Intel_swap_event == 0 ) {
>                           ^
>                           (                 )
>
> Fixes: b6a0fc0fe54e8 ("glx: Add test for glx swap event's receive and its asynchronization.")
> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
> ---
>   tests/glx/glx-swap-event.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tests/glx/glx-swap-event.c b/tests/glx/glx-swap-event.c
> index 74a16cc5c547..7519a51ff4e4 100644
> --- a/tests/glx/glx-swap-event.c
> +++ b/tests/glx/glx-swap-event.c
> @@ -158,7 +158,7 @@ draw_frame(Display *dpy, Window win)
>           if (Automatic) {
>               if (message_count==2) {
>                   if (test_events) {
> -                    if ( ! Intel_swap_event == 0 ) {
> +                    if ( Intel_swap_event != 0 ) {
>                           if (verbose) {
>                               printf("glXSwapBuffers is called %d times and there\
>    is %d Intel_swap_event received in past %3.1f seconds.\n", swap_count,
>

Reviewed-by: Brian Paul <brianp at vmware.com>