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util: drop GCC specifics for container_of

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clang supports __typeof__ which was the only real difference. Not sure any
other compilers matter (that don't support __typeof__)

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Armin Krezović <krezovic.armin@gmail.com>
Tested-by: Armin Krezović <krezovic.armin@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This commit is contained in:
Peter Hutterer 2017-05-10 12:29:47 +10:00
parent e877fd605c
commit 89490d2b34
1 changed files with 0 additions and 6 deletions
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6
src/libinput-util.h
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@ -85,15 +85,9 @@ void list_insert(struct list *list, struct list *elm);
void list_remove(struct list *elm); void list_remove(struct list *elm);
bool list_empty(const struct list *list); bool list_empty(const struct list *list);
#ifdef __GNUC__
#define container_of(ptr, sample, member) \ #define container_of(ptr, sample, member) \
(__typeof__(sample))((char *)(ptr) - \ (__typeof__(sample))((char *)(ptr) - \
((char *)&(sample)->member - (char *)(sample))) ((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) \ #define list_for_each(pos, head, member) \
for (pos = 0, pos = container_of((head)->next, pos, member); \ for (pos = 0, pos = container_of((head)->next, pos, member); \