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WALK_LIST_DELSAFE now actually works (it really couldn't since it didn't

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reference list head at all).
This commit is contained in:
Martin Mares 1998-10-17 11:02:39 +00:00
parent c05ea56f8e
commit d92882be9b
1 changed files with 3 additions and 5 deletions
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8
lib/lists.h
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@ -20,12 +20,10 @@ typedef struct list { /* In fact two overlayed nodes */
#define NODE (node *) #define NODE (node *)
#define HEAD(list) ((void *)((list).head)) #define HEAD(list) ((void *)((list).head))
#define TAIL(list) ((void *)((list).tail)) #define TAIL(list) ((void *)((list).tail))
#define WALK_LIST(n,list) for((n)=HEAD(list);(NODE (n))->next; \ #define WALK_LIST(n,list) for(n=HEAD(list);(NODE (n))->next; \
n=(void *)((NODE (n))->next)) n=(void *)((NODE (n))->next))
#define WALK_LIST_DELSAFE(n,ne,list) \ #define WALK_LIST_DELSAFE(n,nxt,list) \
for( ne = (void *) (NODE n)->next; \ for(n=HEAD(list); nxt=(void *)((NODE (n))->next); n=(void *) nxt)
ne; \
ne = (void *) (NODE (n=ne))->next )
#define EMPTY_LIST(list) (!(list).head->next) #define EMPTY_LIST(list) (!(list).head->next)