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authorLennart Poettering <lennart@poettering.net>2007-10-01 20:16:28 +0000
committerLennart Poettering <lennart@poettering.net>2007-10-01 20:16:28 +0000
commit7d83e5c7816b5e343695a75ba58b32dbe1be969a (patch)
treebfd1dfc9b7c8f4a2aaf66c1b30e78355dee8c88a /src/llist.h
parent762196328ab7e60f1d2908fd5a337d2ca99726dd (diff)
move all sources down to a seperate src/ tree
git-svn-id: file:///home/lennart/svn/public/libsydney/trunk@34 9ba3c220-e4d3-45a2-8aa3-73fcc9aff6ce
Diffstat (limited to 'src/llist.h')
-rw-r--r--src/llist.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/llist.h b/src/llist.h
new file mode 100644
index 0000000..3d42218
--- /dev/null
+++ b/src/llist.h
@@ -0,0 +1,70 @@
+#ifndef foosydneyllistfoo
+#define foosydneyllistfoo
+
+
+#include "macro.h"
+
+#define SA_LLIST_HEAD(t,head) t* head
+
+#define SA_LLIST_ITEM(t,name) t* name##_prev, *name##_next
+
+#define SA_LLIST_HEAD_INIT(t,head) (head) = (t*) NULL
+
+#define SA_LLIST_ITEM_INIT(t,name,item) do { \
+ t *_item = (item); \
+ sa_assert(_item); \
+ _item->name##_prev = _item->name##_next = NULL; \
+ } while(0)
+
+#define SA_LLIST_PREPEND(t,name,head,item) do { \
+ t **_head = &(head), *_item = (item); \
+ sa_assert(_item); \
+ if ((_item->name##_next = *_head)) \
+ _item->name##_next->name##_prev = _item; \
+ _item->name##_prev = NULL; \
+ *_head = _item; \
+ } while (0)
+
+#define SA_LLIST_INSERT_BEFORE(t,name,head,at,item) do { \
+ t **_head = &(head), *_item = (item), *_at = (at); \
+ sa_assert(_item); \
+ sa_assert(_at); \
+ if ((_item->name##_prev = _at->name##_prev)) { \
+ sa_assert(_item->name##_prev->name##_next == _at); \
+ _item->name##_prev->name##_next = _item; \
+ } else {\
+ sa_assert(*_head == _at); \
+ *_head = _item; \
+ } \
+ _item->name##_next = _at; \
+ _at->name##_prev = _item; \
+ } while (0)
+
+#define SA_LLIST_INSERT_AFTER(t,name,head,at,item) do { \
+ t *_item = (item), *_at = (at); \
+ sa_assert(_item); \
+ sa_assert(_at); \
+ if ((_item->name##_next = _at->name##_next)) { \
+ sa_assert(_item->name##_next->name##_prev == _at); \
+ _item->name##_next->name##_prev = _item; \
+ } \
+ _item->name##_prev = _at; \
+ _at->name##_next = _item; \
+ } while (0)
+
+#define SA_LLIST_REMOVE(t,name,head,item) do { \
+ t **_head = &(head), *_item = (item); \
+ sa_assert(_item); \
+ if (_item->name##_next) \
+ _item->name##_next->name##_prev = _item->name##_prev; \
+ if (_item->name##_prev) \
+ _item->name##_prev->name##_next = _item->name##_next; \
+ else {\
+ sa_assert(*_head == _item); \
+ *_head = _item->name##_next; \
+ } \
+ _item->name##_next = _item->name##_prev = NULL; \
+ } while(0)
+
+
+#endif