fragglet
diff --git a/‎src/set.c
Lines changed: 34 additions & 0 deletions b/‎src/set.c
Lines changed: 34 additions & 0 deletions
diff --git a/‎src/set.h
Lines changed: 9 additions & 0 deletions b/‎src/set.h
Lines changed: 9 additions & 0 deletions
diff --git a/‎test/test-set.c
Lines changed: 29 additions & 0 deletions b/‎test/test-set.c
Lines changed: 29 additions & 0 deletions
@@ -373,6 +373,40 @@ int set_num_entries(Set *set)
     return set->entries;
 }
 
+void **set_to_array(Set *set)
+{
+    void **array;
+    int array_counter;
+    int i;
+    SetEntry *rover;
+    
+    /* Create an array to hold the set entries */
+    
+    array = malloc(sizeof(void *) * set->entries);
+    array_counter = 0;
+
+    /* Iterate over all entries in all chains */
+    
+    for (i=0; i<set->entries; ++i) {
+
+        rover = set->table[i];
+
+        while (rover != NULL) {
+
+            /* Add this value to the array */
+            
+            array[array_counter] = rover->data;
+            ++array_counter;
+
+            /* Advance to the next entry */
+            
+            rover = rover->next;
+        }
+    }
+
+    return array;
+}
+
 struct set_union_data {
     Set *new_set;
     SetCopyFunc copy_func;
 
@@ -187,6 +187,15 @@ void set_foreach(Set *set, SetIterator callback, void *user_data);
 
 int set_num_entries(Set *set);
 
+/**
+ * Create an array containing all entries in a set.
+ *
+ * @param set              The set.
+ * @return                 An array containing all entries in the set.
+ */
+
+void **set_to_array(Set *set);
+
 /**
  * Perform a union of two sets.  
  *
 
@@ -40,6 +40,8 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "set.h"
 #include "compare-int.h"
 #include "hash-int.h"
+#include "compare-pointer.h"
+#include "hash-pointer.h"
 
 Set *generate_set(void)
 {
@@ -238,6 +240,33 @@ void test_set_intersection(void)
     }
 }
 
+void test_set_to_array(void)
+{
+    Set *set;
+    int values[100];
+    int **array;
+    int i;
+
+    /* Create a set containing pointers to all entries in the "values"
+     * array. */
+    
+    set = set_new(pointer_hash, pointer_equal);
+
+    for (i=0; i<100; ++i) {
+        values[i] = 1;
+        set_insert(set, &values[i]);
+    }
+
+    array = (int **) set_to_array(set);
+
+    /* Check the array */
+
+    for (i=0; i<100; ++i) {
+        assert(*array[i] == 1);
+        *array[i] = 0;
+    }
+}
+
 int main(int argc, char *argv[])
 {
     test_set_new();