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Added a LIST_FOR_EACH_ENTRY_SAFE helper macro.

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Juan Lang 2005-08-29 12:18:15 +00:00 committed by Alexandre Julliard
parent 8d1cf4ebec
commit 341ba0f696
1 changed files with 8 additions and 0 deletions
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8
include/wine/list.h
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@ -155,6 +155,14 @@ inline static void list_init( struct list *list )
&(elem)->field != (list); \ &(elem)->field != (list); \
(elem) = LIST_ENTRY((elem)->field.next, type, field)) (elem) = LIST_ENTRY((elem)->field.next, type, field))
/* iterate through the list using a list entry, with safety against removal */
#define LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, list, type, field) \
for ((cursor) = LIST_ENTRY((list)->next, type, field), \
(cursor2) = LIST_ENTRY((cursor)->field.next, type, field); \
&(cursor)->field != (list); \
(cursor) = (cursor2), \
(cursor2) = LIST_ENTRY((cursor)->field.next, type, field))
/* macros for statically initialized lists */ /* macros for statically initialized lists */
#define LIST_INIT(list) { &(list), &(list) } #define LIST_INIT(list) { &(list), &(list) }