#include "xbt/error.h"
#include "xbt/swag.h"
-/** \defgroup XBT_swag A O(1) set datatype
- * \brief a O(1) set based on linked lists
- *
- * Warning, this module is done to be efficient and performs tons of
- * cast and dirty things. So avoid using it unless you really know
- * what you are doing. It is basically a fifo but with restrictions so that
- * it can be used as a set. Any operation (add, remove, belongs) is O(1) and
- * no call to malloc/free is done.
- */
-
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)
-/** \name Functions
- * \ingroup XBT_swag
- */
-/*@{*/
/** Creates a new swag.
* \param offset where the hookup is located in the structure
{
xbt_swag_t swag = xbt_new0(s_xbt_swag_t, 1);
+ swag->tail = NULL;
+ swag->head = NULL;
swag->offset = offset;
+ swag->count = 0;
return swag;
}
*/
void xbt_swag_free(xbt_swag_t swag)
{
- xbt_free(swag);
+ free(swag);
}
/** Creates a new swag.
*/
void xbt_swag_init(xbt_swag_t swag, size_t offset)
{
+ swag->tail = NULL;
+ swag->head = NULL;
swag->offset = offset;
+ swag->count = 0;
}
return ((NEXT(obj, swag->offset)) || (PREV(obj, swag->offset))
|| (swag->head == obj));
}
-/*@}*/