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list: fix LIF_LIST_FOREACH_SAFE() iteration on empty lists

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Ariadne Conill 2020-11-11 02:18:04 -07:00
parent ec6077f26f
commit fe1664d311
1 changed files with 1 additions and 1 deletions
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libifupdown/list.h
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@ -40,7 +40,7 @@ extern void lif_node_delete(struct lif_node *node, struct lif_list *list);
for ((iter) = (head); (iter) != NULL; (iter) = (iter)->next) for ((iter) = (head); (iter) != NULL; (iter) = (iter)->next)
#define LIF_LIST_FOREACH_SAFE(iter, iter_next, head) \ #define LIF_LIST_FOREACH_SAFE(iter, iter_next, head) \
for ((iter) = (head), (iter_next) = (iter)->next; (iter) != NULL; (iter) = (iter_next), (iter_next) = (iter) != NULL ? (iter)->next : NULL) for ((iter) = (head), (iter_next) = (iter) != NULL ? (iter)->next : NULL; (iter) != NULL; (iter) = (iter_next), (iter_next) = (iter) != NULL ? (iter)->next : NULL)
#define LIF_LIST_FOREACH_REVERSE(iter, tail) \ #define LIF_LIST_FOREACH_REVERSE(iter, tail) \
for ((iter) = (tail); (iter) != NULL; (iter) = (iter)->prev) for ((iter) = (tail); (iter) != NULL; (iter) = (iter)->prev)