#include "fifo_private.h"
#include "xbt_modinter.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_fifo,xbt,"FIFO");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_fifo, xbt, "FIFO");
-static void* fifo_item_mallocator_new_f(void);
-static void fifo_item_mallocator_free_f(void* item);
-static void fifo_item_mallocator_reset_f(void* item);
+static void *fifo_item_mallocator_new_f(void);
+static void fifo_item_mallocator_free_f(void *item);
+static void fifo_item_mallocator_reset_f(void *item);
static xbt_mallocator_t item_mallocator = NULL;
xbt_fifo_t xbt_fifo_new(void)
{
xbt_fifo_t fifo;
- fifo = xbt_new0(struct xbt_fifo,1);
+ fifo = xbt_new0(struct xbt_fifo, 1);
if (item_mallocator == NULL) {
item_mallocator = xbt_mallocator_new(256,
- fifo_item_mallocator_new_f,
- fifo_item_mallocator_free_f,
- fifo_item_mallocator_reset_f);
+ fifo_item_mallocator_new_f,
+ fifo_item_mallocator_free_f,
+ fifo_item_mallocator_reset_f);
}
return fifo;
}
new = xbt_fifo_new_item();
new->content = t;
- xbt_fifo_push_item(l,new);
+ xbt_fifo_push_item(l, new);
return new;
}
* \param l list
* \returns the object stored at the tail of the list.
*
- * Removes and returns the object stored at the tail of the list.
+ * Removes and returns the object stored at the tail of the list.
* Returns NULL if the list is empty.
*/
void *xbt_fifo_pop(xbt_fifo_t l)
xbt_fifo_item_t item;
void *content;
- if(l==NULL) return NULL;
- if(!(item = xbt_fifo_pop_item(l))) return NULL;
+ if (l == NULL)
+ return NULL;
+ if (!(item = xbt_fifo_pop_item(l)))
+ return NULL;
content = item->content;
xbt_fifo_free_item(item);
new = xbt_fifo_new_item();
new->content = t;
- xbt_fifo_unshift_item(l,new);
+ xbt_fifo_unshift_item(l, new);
return new;
}
* \param l list
* \returns the object stored at the head of the list.
*
- * Removes and returns the object stored at the head of the list.
+ * Removes and returns the object stored at the head of the list.
* Returns NULL if the list is empty.
*/
void *xbt_fifo_shift(xbt_fifo_t l)
xbt_fifo_item_t item;
void *content;
- if(l==NULL) return NULL;
- if(!(item = xbt_fifo_shift_item(l))) return NULL;
-
+ if (l == NULL)
+ return NULL;
+ if (!(item = xbt_fifo_shift_item(l)))
+ return NULL;
+
content = item->content;
xbt_fifo_free_item(item);
return content;
*/
void xbt_fifo_push_item(xbt_fifo_t l, xbt_fifo_item_t new)
{
- xbt_assert0((new->next == NULL)&&(new->prev == NULL),"Invalid item!");
+ xbt_assert0((new->next == NULL) && (new->prev == NULL), "Invalid item!");
(l->count)++;
if (l->head == NULL) {
l->head = new;
return NULL;
item = l->tail;
-
+
l->tail = item->prev;
if (l->tail == NULL)
l->head = NULL;
*/
void xbt_fifo_unshift_item(xbt_fifo_t l, xbt_fifo_item_t new)
{
- xbt_assert0((new->next == NULL)&&(new->prev == NULL),"Invalid item!");
+ xbt_assert0((new->next == NULL) && (new->prev == NULL), "Invalid item!");
(l->count)++;
if (l->head == NULL) {
l->head = new;
}
/**
- * \param l
+ * \param l
* \param t an objet
*
- * removes the first occurence of \a t from \a l.
+ * removes the first occurence of \a t from \a l.
* \warning it will not remove duplicates
* \return 1 if an item was removed and 0 otherwise.
*/
-int xbt_fifo_remove(xbt_fifo_t l, void *t)
+int xbt_fifo_remove(xbt_fifo_t l, void *t)
{
xbt_fifo_item_t current, current_next;
return 0;
}
+
+/**
+ * \param l
+ * \param t an objet
+ *
+ * removes all occurences of \a t from \a l.
+ * \return 1 if an item was removed and 0 otherwise.
+ */
+int xbt_fifo_remove_all(xbt_fifo_t l, void *t)
+{
+ xbt_fifo_item_t current, current_next;
+ int res = 0;
+
+ for (current = l->head; current; current = current_next) {
+ current_next = current->next;
+ if (current->content != t)
+ continue;
+ /* remove the item */
+ xbt_fifo_remove_item(l, current);
+ xbt_fifo_free_item(current);
+ res = 1;
+ }
+ return res;
+}
+
/**
* \param l a list
* \param current a bucket
*
- * removes a bucket \a current from the list \a l. This function implicitely
- * assumes (and doesn't check!) that this item belongs to this list...
+ * removes a bucket \a current from the list \a l. This function implicitely
+ * assumes (and doesn't check!) that this item belongs to this list...
*/
void xbt_fifo_remove_item(xbt_fifo_t l, xbt_fifo_item_t current)
{
- if (l->head == l->tail) { /* special case */
- xbt_assert0((current==l->head),"This item is not in the list!");
+ if (l->head == l->tail) { /* special case */
+ xbt_assert0((current == l->head), "This item is not in the list!");
l->head = NULL;
l->tail = NULL;
(l->count)--;
return;
}
- if (current == l->head) { /* It's the head */
+ if (current == l->head) { /* It's the head */
l->head = current->next;
l->head->prev = NULL;
- } else if (current == l->tail) { /* It's the tail */
+ } else if (current == l->tail) { /* It's the tail */
l->tail = current->prev;
l->tail->next = NULL;
- } else { /* It's in the middle */
+ } else { /* It's in the middle */
current->prev->next = current->next;
current->next->prev = current->prev;
}
}
/* Functions passed to the mallocator constructor */
-static void* fifo_item_mallocator_new_f(void) {
+static void *fifo_item_mallocator_new_f(void)
+{
return xbt_new(s_xbt_fifo_item_t, 1);
}
-static void fifo_item_mallocator_free_f(void* item) {
+static void fifo_item_mallocator_free_f(void *item)
+{
xbt_free(item);
}
-static void fifo_item_mallocator_reset_f(void* item) {
+static void fifo_item_mallocator_reset_f(void *item)
+{
/* memset to zero like calloc */
memset(item, 0, sizeof(s_xbt_fifo_item_t));
}
*
* stores \a v in \a i.
*/
-void xbt_fifo_set_item_content(xbt_fifo_item_t i , void *v)
+void xbt_fifo_set_item_content(xbt_fifo_item_t i, void *v)
{
- xbt_fifo_setItemcontent(i,v);
+ xbt_fifo_setItemcontent(i, v);
}
/**
*/
xbt_fifo_item_t xbt_fifo_get_next_item(xbt_fifo_item_t i)
{
- if(i) return i->next;
+ if (i)
+ return i->next;
return NULL;
}
*/
xbt_fifo_item_t xbt_fifo_get_prev_item(xbt_fifo_item_t i)
{
- if(i) return i->prev;
+ if (i)
+ return i->prev;
return NULL;
}
* Destroy the fifo item mallocator.
* This is an internal XBT function called by xbt_exit().
*/
-void xbt_fifo_exit(void) {
+void xbt_fifo_exit(void)
+{
if (item_mallocator != NULL) {
xbt_mallocator_free(item_mallocator);
+ item_mallocator = NULL;
}
}
/* @} */
-
-
