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list: make our list macros a bit easier to use by not requring type spec on each invocation

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We can determine the list entry type via the typeof() gcc construct, and
so we should to make the macros much shorter to use.
This commit is contained in:
Lennart Poettering
2013-10-14 06:11:19 +02:00
parent 14bf2c9d37
commit 71fda00f32
38 changed files with 153 additions and 157 deletions
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src/shared/list.h
+13 -13
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@@ -31,23 +31,23 @@
t *name##_next, *name##_prev
/* Initialize the list's head */
#define LIST_HEAD_INIT(t,head) \
#define LIST_HEAD_INIT(head) \
do { \
(head) = NULL; } \
while(false)
/* Initialize a list item */
#define LIST_INIT(t,name,item) \
#define LIST_INIT(name,item) \
do { \
t *_item = (item); \
typeof(*(item)) *_item = (item); \
assert(_item); \
_item->name##_prev = _item->name##_next = NULL; \
} while(false)
/* Prepend an item to the list */
#define LIST_PREPEND(t,name,head,item) \
#define LIST_PREPEND(name,head,item) \
do { \
t **_head = &(head), *_item = (item); \
typeof(*(head)) **_head = &(head), *_item = (item); \
assert(_item); \
if ((_item->name##_next = *_head)) \
_item->name##_next->name##_prev = _item; \
@@ -56,9 +56,9 @@
} while(false)
/* Remove an item from the list */
#define LIST_REMOVE(t,name,head,item) \
#define LIST_REMOVE(name,head,item) \
do { \
t **_head = &(head), *_item = (item); \
typeof(*(head)) **_head = &(head), *_item = (item); \
assert(_item); \
if (_item->name##_next) \
_item->name##_next->name##_prev = _item->name##_prev; \
@@ -72,9 +72,9 @@
} while(false)
/* Find the head of the list */
#define LIST_FIND_HEAD(t,name,item,head) \
#define LIST_FIND_HEAD(name,item,head) \
do { \
t *_item = (item); \
typeof(*(item)) *_item = (item); \
assert(_item); \
while (_item->name##_prev) \
_item = _item->name##_prev; \
@@ -82,9 +82,9 @@
} while (false)
/* Find the tail of the list */
#define LIST_FIND_TAIL(t,name,item,tail) \
#define LIST_FIND_TAIL(name,item,tail) \
do { \
t *_item = (item); \
typeof(*(item)) *_item = (item); \
assert(_item); \
while (_item->name##_next) \
_item = _item->name##_next; \
@@ -92,9 +92,9 @@
} while (false)
/* Insert an item after another one (a = where, b = what) */
#define LIST_INSERT_AFTER(t,name,head,a,b) \
#define LIST_INSERT_AFTER(name,head,a,b) \
do { \
t **_head = &(head), *_a = (a), *_b = (b); \
typeof(*(head)) **_head = &(head), *_a = (a), *_b = (b); \
assert(_b); \
if (!_a) { \
if ((_b->name##_next = *_head)) \