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fix bug in swap

This commit is contained in:
Julien Danjou 2008-01-17 14:36:08 +01:00
parent 650788479d
commit 011f771398
1 changed files with 3 additions and 3 deletions
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6
list.h
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@ -86,15 +86,15 @@
static inline void prefix##_list_swap(type **list, type *item1, \ static inline void prefix##_list_swap(type **list, type *item1, \
type *item2) \ type *item2) \
{ \ { \
type *i1p, *i2p; \
if(!item1 || !item2) return; \ if(!item1 || !item2) return; \
\
type *i1n = item1->next; \ type *i1n = item1->next; \
type *i2n = item2->next; \ type *i2n = item2->next; \
type * i1p = prefix##_list_prev(list, item1); \
type * i2p = prefix##_list_prev(list, item2); \
item1->next = i2n == item1 ? item2 : i2n; \ item1->next = i2n == item1 ? item2 : i2n; \
item2->next = i1n == item2 ? item1 : i1n; \ item2->next = i1n == item2 ? item1 : i1n; \
\ \
i1p = prefix##_list_prev(list, item1); \
i2p = prefix##_list_prev(list, item2); \
\ \
if(i1p && i1p != item2) \ if(i1p && i1p != item2) \
i1p->next = item2; \ i1p->next = item2; \