destruction helper macros

diff --git a/src/libstrongswan/library.h b/src/libstrongswan/library.h
index 74899a8..b091f26 100644 (file)
--- a/src/libstrongswan/library.h
+++ b/src/libstrongswan/library.h
@@ -144,11 +144,21 @@
 #define min(x,y) ((x) < (y) ? (x):(y))
 
 /**
- * Call destructor of a object if object != NULL
+ * Call destructor of an object, if object != NULL
  */
 #define DESTROY_IF(obj) if (obj) obj->destroy(obj)
 
 /**
+ * Call offset destructor of an object, if object != NULL
+ */
+#define DESTROY_OFFSET_IF(obj, offset) if (obj) obj->destroy_offset(obj, offset);
+
+/**
+ * Call function destructor of an object, if object != NULL
+ */
+#define DESTROY_FUNCTION_IF(obj, fn) if (obj) obj->destroy_function(obj, fn);
+
+/**
  * Debug macro to follow control flow
  */
 #define POS printf("%s, line %d\n", __FILE__, __LINE__)