[PATCH libinput 1/5] util: drop GCC specifics for container_of

[Armin Krezović]

On 10.05.2017 05:47, Peter Hutterer wrote:
> clang supports __typeof__ which was the only real difference. Not sure any
> other compilers matter (that don't support __typeof__)
> 

Hi,

Fun fact:  Clang defines __GNUC__ because it's gcc compatible
and the gcc path was always used by clang, the other one
was not used by anything.

Nevertheless, for the series

Reviewed-by: Armin Krezović <krezovic.armin at gmail.com>
Tested-by: Armin Krezović <krezovic.armin at gmail.com>

Please backport these to 1.7 branch (or at least the one that
fixes container_of).

Thanks, Armin.

> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
>   src/libinput-util.h | 6 ------
>   1 file changed, 6 deletions(-)
> 
> diff --git a/src/libinput-util.h b/src/libinput-util.h
> index 4e97e011..a9a2b660 100644
> --- a/src/libinput-util.h
> +++ b/src/libinput-util.h
> @@ -85,15 +85,9 @@ void list_insert(struct list *list, struct list *elm);
>   void list_remove(struct list *elm);
>   bool list_empty(const struct list *list);
>   
> -#ifdef __GNUC__
>   #define container_of(ptr, sample, member)				\
>   	(__typeof__(sample))((char *)(ptr)	-			\
>   		 ((char *)&(sample)->member - (char *)(sample)))
> -#else
> -#define container_of(ptr, sample, member)				\
> -	(void *)((char *)(ptr)	-				        \
> -		 ((char *)&(sample)->member - (char *)(sample)))
> -#endif
>   
>   #define list_for_each(pos, head, member)				\
>   	for (pos = 0, pos = container_of((head)->next, pos, member);	\
>