X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fhmap.h;h=ab7d3ae8c475ac52ac14018afde6269d921f5354;hb=26131299fa56345d4eb5adfb631cdd7c7310a592;hp=2867bfa0b1ffa3f9a8c8b21dca63632a0e9e81e4;hpb=ebc56baa41db060b8783051e67b6fcbc148ebd60;p=sliver-openvswitch.git diff --git a/lib/hmap.h b/lib/hmap.h index 2867bfa0b..ab7d3ae8c 100644 --- a/lib/hmap.h +++ b/lib/hmap.h @@ -65,7 +65,8 @@ struct hmap { }; /* Initializer for an empty hash map. */ -#define HMAP_INITIALIZER(HMAP) { &(HMAP)->one, NULL, 0, 0 } +#define HMAP_INITIALIZER(HMAP) \ + { (struct hmap_node **const) &(HMAP)->one, NULL, 0, 0 } /* Initialization. */ void hmap_init(struct hmap *); @@ -115,12 +116,12 @@ struct hmap_node *hmap_random_node(const struct hmap *); */ #define HMAP_FOR_EACH_WITH_HASH(NODE, MEMBER, HASH, HMAP) \ for (ASSIGN_CONTAINER(NODE, hmap_first_with_hash(HMAP, HASH), MEMBER); \ - &(NODE)->MEMBER != NULL; \ + NODE != OBJECT_CONTAINING(NULL, NODE, MEMBER); \ ASSIGN_CONTAINER(NODE, hmap_next_with_hash(&(NODE)->MEMBER), \ MEMBER)) #define HMAP_FOR_EACH_IN_BUCKET(NODE, MEMBER, HASH, HMAP) \ for (ASSIGN_CONTAINER(NODE, hmap_first_in_bucket(HMAP, HASH), MEMBER); \ - &(NODE)->MEMBER != NULL; \ + NODE != OBJECT_CONTAINING(NULL, NODE, MEMBER); \ ASSIGN_CONTAINER(NODE, hmap_next_in_bucket(&(NODE)->MEMBER), MEMBER)) static inline struct hmap_node *hmap_first_with_hash(const struct hmap *, @@ -137,22 +138,22 @@ bool hmap_contains(const struct hmap *, const struct hmap_node *); /* Iterates through every node in HMAP. */ #define HMAP_FOR_EACH(NODE, MEMBER, HMAP) \ for (ASSIGN_CONTAINER(NODE, hmap_first(HMAP), MEMBER); \ - &(NODE)->MEMBER != NULL; \ + NODE != OBJECT_CONTAINING(NULL, NODE, MEMBER); \ ASSIGN_CONTAINER(NODE, hmap_next(HMAP, &(NODE)->MEMBER), MEMBER)) /* Safe when NODE may be freed (not needed when NODE may be removed from the * hash map but its members remain accessible and intact). */ #define HMAP_FOR_EACH_SAFE(NODE, NEXT, MEMBER, HMAP) \ for (ASSIGN_CONTAINER(NODE, hmap_first(HMAP), MEMBER); \ - (&(NODE)->MEMBER != NULL \ - ? ASSIGN_CONTAINER(NEXT, hmap_next(HMAP, &(NODE)->MEMBER), MEMBER) \ + (NODE != OBJECT_CONTAINING(NULL, NODE, MEMBER) \ + ? ASSIGN_CONTAINER(NEXT, hmap_next(HMAP, &(NODE)->MEMBER), MEMBER), 1 \ : 0); \ (NODE) = (NEXT)) /* Continues an iteration from just after NODE. */ #define HMAP_FOR_EACH_CONTINUE(NODE, MEMBER, HMAP) \ for (ASSIGN_CONTAINER(NODE, hmap_next(HMAP, &(NODE)->MEMBER), MEMBER); \ - &(NODE)->MEMBER != NULL; \ + NODE != OBJECT_CONTAINING(NULL, NODE, MEMBER); \ ASSIGN_CONTAINER(NODE, hmap_next(HMAP, &(NODE)->MEMBER), MEMBER)) static inline struct hmap_node *hmap_first(const struct hmap *);