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util/list: Add a list validation function

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Acked-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Jason Ekstrand 2015-04-27 20:40:11 -07:00
parent addcf41066
commit 2c2cd368aa
1 changed files with 9 additions and 0 deletions
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9
src/util/list.h
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@ -40,6 +40,7 @@
#include <stdbool.h>
#include <stddef.h>
#include <assert.h>
struct list_head
@ -107,6 +108,14 @@ static inline unsigned list_length(struct list_head *list)
return length;
}
static inline void list_validate(struct list_head *list)
{
struct list_head *node;
assert(list->next->prev == list && list->prev->next == list);
for (node = list->next; node != list; node = node->next)
assert(node->next->prev == node && node->prev->next == node);
}
#define LIST_INITHEAD(__item) list_inithead(__item)
#define LIST_ADD(__item, __list) list_add(__item, __list)
#define LIST_ADDTAIL(__item, __list) list_addtail(__item, __list)