lib: add clear and each method to pointer arrays.

src/structures/array.c

@@ -331,5 +331,29 @@ cry_ptr_array_get(struct CryPtrArray* array, size_t index)
 	return 0;
 }
 
+void			
+cry_ptr_array_clear(struct CryPtrArray* array, cry_free_funptr fun)
+{
+        assert(array != 0);
+
+        if(fun != 0) {
+                size_t index = 0;
+                for(index = 0; index < array->length; ++index)
+                        fun(*(array->data + index));
+        }
+
+        array->length = 0;
+}
 
 
+void 
+cry_ptr_array_each(struct CryPtrArray* array, cry_foreach_funptr fun, pointer data)
+{
+        assert(array != 0 && fun != 0);
+
+        size_t index = 0;
+
+        for(index = 0; index < array->length; ++index) {
+                fun(*(array->data + index), data);
+        }
+}

src/structures/array.h

@@ -77,6 +77,7 @@ pointer			cry_ptr_array_replace(struct CryPtrArray* array, size_t index, pointer
 
 pointer                 cry_ptr_array_get(struct CryPtrArray* array, size_t index);
 
+void			cry_ptr_array_each(struct CryPtrArray* array, cry_foreach_funptr fun, pointer data); 
 
 
 #endif // CRYSTAL_STRUCTURES_ARRAY_H

src/structures/structures.h

@@ -26,6 +26,7 @@
 #define CRY_ENTRY_FULL -3
 
 typedef int (*cry_ordering_funptr)(const_pointer a, const_pointer b);
+typedef void (*cry_foreach_funptr)(pointer element, pointer data);
 typedef void (*cry_free_funptr)(pointer data);
 
 int     cry_int_compare(const_pointer a, const_pointer b);