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More reasonnable value.
[simgrid.git]
/
src
/
xbt
/
swag.c
diff --git
a/src/xbt/swag.c
b/src/xbt/swag.c
index
c9730de
..
5374dc1
100644
(file)
--- a/
src/xbt/swag.c
+++ b/
src/xbt/swag.c
@@
-20,10
+20,17
@@
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(swag,xbt,"Swag : O(1) set library");
#define PREV(obj,offset) xbt_swag_getPrev(obj,offset)
#define NEXT(obj,offset) xbt_swag_getNext(obj,offset)
#define PREV(obj,offset) xbt_swag_getPrev(obj,offset)
#define NEXT(obj,offset) xbt_swag_getNext(obj,offset)
-/*
- Usage : xbt_swag_new(&obj.setA-&obj);
+/*
* \name Functions
+ * \ingroup XBT_swag
*/
*/
+/*@{*/
+/** Creates a new swag.
+ * \param offset where the hookup is located in the structure
+ * \see xbt_swag_offset
+ *
+ * Usage : xbt_swag_new(&obj.setA-&obj);
+ */
xbt_swag_t xbt_swag_new(size_t offset)
{
xbt_swag_t swag = xbt_new0(s_xbt_swag_t, 1);
xbt_swag_t xbt_swag_new(size_t offset)
{
xbt_swag_t swag = xbt_new0(s_xbt_swag_t, 1);
@@
-33,17
+40,36
@@
xbt_swag_t xbt_swag_new(size_t offset)
return swag;
}
return swag;
}
-
+/**
+ * \param swag poor victim
+ *
+ * kilkil a swag but not it's content. If you do not understand why
+ * xbt_swag_free should not free its content, don't use swags.
+ */
void xbt_swag_free(xbt_swag_t swag)
{
xbt_free(swag);
}
void xbt_swag_free(xbt_swag_t swag)
{
xbt_free(swag);
}
+/** Creates a new swag.
+ * \param swag the swag to initialize
+ * \param offset where the hookup is located in the structure
+ * \see xbt_swag_offset
+ *
+ * Usage : xbt_swag_init(swag,&obj.setA-&obj);
+ */
void xbt_swag_init(xbt_swag_t swag, size_t offset)
{
swag->offset = offset;
}
void xbt_swag_init(xbt_swag_t swag, size_t offset)
{
swag->offset = offset;
}
+
+/**
+ * \param obj the objet to insert in the swag
+ * \param swag a swag
+ *
+ * insert \a obj in \a swag
+ */
void xbt_swag_insert(void *obj, xbt_swag_t swag)
{
void xbt_swag_insert(void *obj, xbt_swag_t swag)
{
@@
-52,6
+78,7
@@
void xbt_swag_insert(void *obj, xbt_swag_t swag)
(swag->count)++;
if (swag->head == NULL) {
(swag->count)++;
if (swag->head == NULL) {
+ xbt_assert0(!(swag->tail), "Inconsistent swag.");
swag->head = obj;
swag->tail = obj;
return;
swag->head = obj;
swag->tail = obj;
return;
@@
-63,6
+90,13
@@
void xbt_swag_insert(void *obj, xbt_swag_t swag)
swag->tail = obj;
}
swag->tail = obj;
}
+/**
+ * \param obj the objet to insert in the swag
+ * \param swag a swag
+ *
+ * insert (at the head... you probably had a very good reason to do
+ * that, I hope you know what you're doing) \a obj in \a swag
+ */
void xbt_swag_insert_at_head(void *obj, xbt_swag_t swag)
{
void xbt_swag_insert_at_head(void *obj, xbt_swag_t swag)
{
@@
-71,6
+105,7
@@
void xbt_swag_insert_at_head(void *obj, xbt_swag_t swag)
(swag->count)++;
if (swag->head == NULL) {
(swag->count)++;
if (swag->head == NULL) {
+ xbt_assert0(!(swag->tail), "Inconsistent swag.");
swag->head = obj;
swag->tail = obj;
return;
swag->head = obj;
swag->tail = obj;
return;
@@
-82,6
+117,13
@@
void xbt_swag_insert_at_head(void *obj, xbt_swag_t swag)
swag->head = obj;
}
swag->head = obj;
}
+/**
+ * \param obj the objet to insert in the swag
+ * \param swag a swag
+ *
+ * insert (at the tail... you probably had a very good reason to do
+ * that, I hope you know what you're doing) \a obj in \a swag
+ */
void xbt_swag_insert_at_tail(void *obj, xbt_swag_t swag)
{
void xbt_swag_insert_at_tail(void *obj, xbt_swag_t swag)
{
@@
-90,6
+132,7
@@
void xbt_swag_insert_at_tail(void *obj, xbt_swag_t swag)
(swag->count)++;
if (swag->head == NULL) {
(swag->count)++;
if (swag->head == NULL) {
+ xbt_assert0(!(swag->tail), "Inconsistent swag.");
swag->head = obj;
swag->tail = obj;
return;
swag->head = obj;
swag->tail = obj;
return;
@@
-101,6
+144,13
@@
void xbt_swag_insert_at_tail(void *obj, xbt_swag_t swag)
swag->tail = obj;
}
swag->tail = obj;
}
+/**
+ * \param obj the objet to remove from the swag
+ * \param swag a swag
+ * \return \a obj if it was in the \a swag and NULL otherwise
+ *
+ * removes \a obj from \a swag
+ */
void *xbt_swag_remove(void *obj, xbt_swag_t swag)
{
size_t offset = swag->offset;
void *xbt_swag_remove(void *obj, xbt_swag_t swag)
{
size_t offset = swag->offset;
@@
-116,6
+166,7
@@
void *xbt_swag_remove(void *obj, xbt_swag_t swag)
return NULL;
swag->head = NULL;
swag->tail = NULL;
return NULL;
swag->head = NULL;
swag->tail = NULL;
+ NEXT(obj, offset) = PREV(obj, offset) = NULL;
} else if (obj == swag->head) { /* It's the head */
swag->head = NEXT(obj, offset);
PREV(swag->head, offset) = NULL;
} else if (obj == swag->head) { /* It's the head */
swag->head = NEXT(obj, offset);
PREV(swag->head, offset) = NULL;
@@
-133,6
+184,10
@@
void *xbt_swag_remove(void *obj, xbt_swag_t swag)
return obj;
}
return obj;
}
+/**
+ * \param swag a swag
+ * \return an object from the \a swag
+ */
void *xbt_swag_extract(xbt_swag_t swag)
{
size_t offset = swag->offset;
void *xbt_swag_extract(xbt_swag_t swag)
{
size_t offset = swag->offset;
@@
-145,6
+200,7
@@
void *xbt_swag_extract(xbt_swag_t swag)
if (swag->head == swag->tail) { /* special case */
swag->head = swag->tail = NULL;
if (swag->head == swag->tail) { /* special case */
swag->head = swag->tail = NULL;
+ PREV(obj, offset) = NEXT(obj, offset) = NULL;
} else {
swag->head = NEXT(obj, offset);
PREV(swag->head, offset) = NULL;
} else {
swag->head = NEXT(obj, offset);
PREV(swag->head, offset) = NULL;
@@
-154,14
+210,23
@@
void *xbt_swag_extract(xbt_swag_t swag)
return obj;
}
return obj;
}
-
+/**
+ * \param swag a swag
+ * \return the number of objects in \a swag
+ */
int xbt_swag_size(xbt_swag_t swag)
{
return (swag->count);
}
int xbt_swag_size(xbt_swag_t swag)
{
return (swag->count);
}
+/**
+ * \param obj an object
+ * \param swag a swag
+ * \return 1 if \a obj is in the \a swag and 0 otherwise
+ */
int xbt_swag_belongs(void *obj, xbt_swag_t swag)
{
return ((NEXT(obj, swag->offset)) || (PREV(obj, swag->offset))
|| (swag->head == obj));
}
int xbt_swag_belongs(void *obj, xbt_swag_t swag)
{
return ((NEXT(obj, swag->offset)) || (PREV(obj, swag->offset))
|| (swag->head == obj));
}
+/*@}*/