X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Flist.h;h=b0e7a845240124663f77812e840b47e1570c3f0b;hp=a45803995bdce3e6fe3f5a273a0015aa16b2834e;hb=d4410d0cce40929db9a0ce7042ef962f1867234d;hpb=4574b04f79d79d53492b7e0eb592d64ff9b2362b diff --git a/src/list.h b/src/list.h index a4580399..b0e7a845 100644 --- a/src/list.h +++ b/src/list.h @@ -1,7 +1,7 @@ /* list.h -- header file for list.c Copyright (C) 2000-2005 Ivo Timmermans - 2000-2006 Guus Sliepen + 2000-2012 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -55,6 +55,9 @@ extern void list_free_node(list_t *, list_node_t *); extern list_node_t *list_insert_head(list_t *, void *); extern list_node_t *list_insert_tail(list_t *, void *); extern list_node_t *list_insert_after(list_t *, list_node_t *, void *); +extern list_node_t *list_insert_before(list_t *, list_node_t *, void *); + +extern void list_delete(list_t *, const void *); extern void list_unlink_node(list_t *, list_node_t *); extern void list_delete_node(list_t *, list_node_t *); @@ -76,4 +79,12 @@ extern void list_delete_list(list_t *); extern void list_foreach(list_t *, list_action_t); extern void list_foreach_node(list_t *, list_action_node_t); -#endif /* __TINC_LIST_H__ */ +/* + Iterates over a list. + + CAUTION: while this construct supports deleting the current item, + it does *not* support deleting *other* nodes while iterating on the list. + */ +#define list_each(type, item, list) (type *item = (type *)1; item; item = NULL) for(list_node_t *node = (list)->head, *next; item = node ? node->data : NULL, next = node ? node->next : NULL, node; node = next) + +#endif /* __TINC_LIST_H__ */