/* Whenever a new object with this struct is created, all fields have
to be set to NULL */
+#include "xbt/sysdep.h"
+
typedef struct xbt_swag_hookup {
void *next;
void *prev;
} s_xbt_swag_t, *xbt_swag_t;
xbt_swag_t xbt_swag_new(size_t offset);
+void xbt_swag_free(xbt_swag_t swag);
void xbt_swag_init(xbt_swag_t swag, size_t offset);
void xbt_swag_insert(void *obj, xbt_swag_t swag);
-void *xbt_swag_extract(void *obj, xbt_swag_t swag);
+void *xbt_swag_remove(void *obj, xbt_swag_t swag);
+void *xbt_swag_extract(xbt_swag_t swag);
int xbt_swag_size(xbt_swag_t swag);
int xbt_swag_belongs(void *obj, xbt_swag_t swag);
for((obj)=xbt_swag_getFirst((swag)); \
(obj)!=NULL; \
(obj)=xbt_swag_getNext((obj),(swag)->offset))
+
+#define xbt_swag_foreach_safe(obj,obj_next,swag) \
+ for((obj)=xbt_swag_getFirst((swag)), \
+ ((obj)?(obj_next=xbt_swag_getNext((obj),(swag)->offset)): \
+ (obj_next=NULL)); \
+ (obj)!=NULL; \
+ (obj)=obj_next, \
+ ((obj)?(obj_next=xbt_swag_getNext((obj),(swag)->offset)): \
+ (obj_next=NULL)) )