/************************** Snapshot comparison *******************************/
/******************************************************************************/
-static int already_compared_pointers(void *p1, void *p2){
-
- if(xbt_dynar_is_empty(compared_pointers))
- return -1;
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(compared_pointers) - 1;
- pointers_pair_t pair;
-
- while(start <= end){
- cursor = (start + end) / 2;
- pair = (pointers_pair_t)xbt_dynar_get_as(compared_pointers, cursor, pointers_pair_t);
- if(pair->p1 == p1){
- if(pair->p2 == p2)
- return 0;
- else if(pair->p2 < p2)
- start = cursor + 1;
- else
- end = cursor - 1;
- }else if(pair->p1 < p1){
- start = cursor + 1;
- }else{
- end = cursor - 1 ;
- }
- }
-
- return -1;
-
-}
-
-static void add_compared_pointers(void *p1, void *p2){
+/** \brief Try to add a pair a compared pointers to the set of compared pointers
+ *
+ * \result !=0 if the pointers were added (they were not in the set),
+ * 0 otherwise (they were already in the set)
+ */
+static int add_compared_pointers(void *p1, void *p2){
pointers_pair_t new_pair = xbt_new0(s_pointers_pair_t, 1);
new_pair->p1 = p1;
if(xbt_dynar_is_empty(compared_pointers)){
xbt_dynar_push(compared_pointers, &new_pair);
- return;
+ return 1;
}
unsigned int cursor = 0;
int end = xbt_dynar_length(compared_pointers) - 1;
pointers_pair_t pair = NULL;
+ pointers_pair_t* p = (pointers_pair_t*) xbt_dynar_get_ptr(compared_pointers, 0);
+
while(start <= end){
cursor = (start + end) / 2;
- pair = (pointers_pair_t)xbt_dynar_get_as(compared_pointers, cursor, pointers_pair_t);
- if(pair->p1 == p1){
- if(pair->p2 == p2){
- pointers_pair_free(new_pair);
- return;
- }else if(pair->p2 < p2)
- start = cursor + 1;
- else
- end = cursor - 1;
- }else if(pair->p1 < p1){
+ pair = p[cursor];
+ if(pair->p1 < p1){
start = cursor + 1;
- }else{
+ } else if(pair->p1 > p1) {
end = cursor - 1 ;
+ } else if(pair->p2 < p2){
+ start = cursor + 1;
+ } else if(pair->p2 > p2) {
+ end = cursor - 1 ;
+ } else {
+ pointers_pair_free(new_pair);
+ return 0;
}
}
- if(pair->p1 == p1){
- if(pair->p2 < p2)
- xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
- else
- xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
- }else{
- if(pair->p1 < p1)
- xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
- else
- xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
- }
-
+ if(pair->p1 < p1)
+ xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
+ else if(pair->p1 > p1)
+ xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
+ else if(pair->p2 < p2)
+ xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
+ else if(pair->p2 > p2)
+ xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
+ else
+ xbt_die("Unrecheable");
+
+ return 1;
}
static int compare_areas_with_type(void *area1, void *area2, mc_object_info_t info, mc_object_info_t other_info, dw_type_t type, int region_size, int region_type, void *start_data, int pointer_level){
if(addr_pointed1 == NULL && addr_pointed2 == NULL)
return 0;
- if(already_compared_pointers(addr_pointed1, addr_pointed2) != -1)
+ if(!add_compared_pointers(addr_pointed1, addr_pointed2))
return 0;
- add_compared_pointers(addr_pointed1, addr_pointed2);
pointer_level++;