Commit 39259369 authored by Peter Hutterer's avatar Peter Hutterer

util: fix container_of() macro

Fixes a bunch of warnings of the kind
../src/evdev.h:378:32: warning: variable 'f' is uninitialized when used here [-Wuninitialized]
        return container_of(dispatch, f, base);

Just typecasting NULL means we can ignore sample but for the type. Peter Hutterer's avatarPeter Hutterer <>
Reviewed-by: default avatarArmin Krezović <>
Tested-by: default avatarArmin Krezović <>
Reviewed-by: Eric Engestrom's avatarEric Engestrom <>
parent 89490d2b
......@@ -87,7 +87,7 @@ bool list_empty(const struct list *list);
#define container_of(ptr, sample, member) \
(__typeof__(sample))((char *)(ptr) - \
((char *)&(sample)->member - (char *)(sample)))
((char *)&((typeof(sample))0)->member))
#define list_for_each(pos, head, member) \
for (pos = 0, pos = container_of((head)->next, pos, member); \
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