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gss: cleanup warnings in HEIM_SLIST_ATOMIC_FOREACH (#447)

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Cleanup unused result warning when calling heim_base_exchange_pointer()
from HEIM_SLIST_ATOMIC_FOREACH() in mechqueue.h.
This commit is contained in:
Luke Howard
2018-12-19 00:36:11 -08:00
parent 4a93c4774a
commit efc5ad8b3c
1 changed files with 4 additions and 4 deletions
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4
lib/gssapi/mech/mechqueue.h
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@@ -105,8 +105,8 @@ struct { \
} while (/*CONSTCOND*/0)
#define HEIM_SLIST_ATOMIC_FOREACH(var, head, field) \
for (heim_base_exchange_pointer(&(var), (head)->slh_first); \
for ((void)heim_base_exchange_pointer(&(var), (head)->slh_first); \
(var) != NULL; \
heim_base_exchange_pointer(&(var), (var)->field.sle_next))
(void)heim_base_exchange_pointer(&(var), (var)->field.sle_next))
#endif /* !_MECHQUEUE_H_ */