X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6f96af1403cf082547c5a77abaf61d1ceddf3057..004ae4fc095dad41016321600e4fcd720ad3d26b:/include/xbt/dynar.h

diff --git a/include/xbt/dynar.h b/include/xbt/dynar.h
index 382c643d0b..34ca2ba9f2 100644
--- a/include/xbt/dynar.h
+++ b/include/xbt/dynar.h
@@ -94,9 +94,12 @@ XBT_PUBLIC(void) xbt_dynar_remove_at(xbt_dynar_t const dynar,
                                      const int idx, void *const dst);
 
 XBT_PUBLIC(unsigned int) xbt_dynar_search(xbt_dynar_t const dynar, void *elem);
+XBT_PUBLIC(signed int) xbt_dynar_search_or_negative(xbt_dynar_t const dynar, void *const elem);
 XBT_PUBLIC(int) xbt_dynar_member(xbt_dynar_t const dynar, void *elem);
 XBT_PUBLIC(void) xbt_dynar_sort(xbt_dynar_t const dynar,
                                 int_f_cpvoid_cpvoid_t compar_fn);
+XBT_PUBLIC(void) xbt_dynar_three_way_partition(xbt_dynar_t const dynar,
+    int_f_pvoid_t color);
 XBT_PUBLIC(int) xbt_dynar_compare(xbt_dynar_t d1, xbt_dynar_t d2,
                                   int(*compar)(const void *, const void *));
 XBT_PUBLIC(void *) xbt_dynar_to_array (xbt_dynar_t dynar);
@@ -228,8 +231,8 @@ static XBT_INLINE void
 _xbt_dynar_cursor_first(const xbt_dynar_t dynar,
                         unsigned int *const cursor)
 {
-  /* don't test for dynar!=NULL. The segfault would tell us */
-  if (dynar->mutex)             /* ie _dynar_lock(dynar) but not public */
+  /* iterating over a NULL dynar is a no-op (but we don't want to have uninitialized counters) */
+  if (dynar && dynar->mutex)             /* ie _dynar_lock(dynar) but not public */
     xbt_mutex_acquire(dynar->mutex);
 
   //XBT_DEBUG("Set cursor on %p to the first position", (void *) dynar);
@@ -240,6 +243,8 @@ static XBT_INLINE int
 _xbt_dynar_cursor_get(const xbt_dynar_t dynar,
                       unsigned int idx, void *const dst)
 {
+  if (!dynar) /* iterating over a NULL dynar is a no-op */
+    return FALSE;
 
   if (idx >= dynar->used) {
     //XBT_DEBUG("Cursor on %p already on last elem", (void *) dynar);
@@ -276,7 +281,7 @@ xbt_dynar_foreach (dyn,cpt,str) {
  */
 #define xbt_dynar_foreach(_dynar,_cursor,_data) \
        for (_xbt_dynar_cursor_first(_dynar,&(_cursor))      ; \
-	    _xbt_dynar_cursor_get(_dynar,_cursor,&_data) ; \
+      _xbt_dynar_cursor_get(_dynar,_cursor,&_data) ; \
             (_cursor)++         )
 
 /** @} */