Add a linked list constructor taking items from a vararg list

src/libstrongswan/utils/linked_list.c

@@ -16,6 +16,7 @@
  */
 
 #include <stdlib.h>
+#include <stdarg.h>
 
 #include "linked_list.h"
 
@@ -591,3 +592,24 @@ linked_list_t *linked_list_create_from_enumerator(enumerator_t *enumerator)
 
 	return list;
 }
+
+/*
+ * See header.
+ */
+linked_list_t *linked_list_create_with_items(void *item, ...)
+{
+	linked_list_t *list;
+	va_list args;
+
+	list = linked_list_create();
+
+	va_start(args, item);
+	while (item)
+	{
+		list->insert_last(list, item);
+		item = va_arg(args, void*);
+	}
+	va_end(args);
+
+	return list;
+}

src/libstrongswan/utils/linked_list.h

@@ -302,9 +302,18 @@ linked_list_t *linked_list_create(void);
 /**
  * Creates a linked list from an enumerator.
  *
- * @enumerator	enumerator over void*, gets destroyed
- * @return		linked_list_t object, containing enumerated values
+ * @param enumerator	enumerator over void*, gets destroyed
+ * @return				linked_list_t object, containing enumerated values
  */
 linked_list_t *linked_list_create_from_enumerator(enumerator_t *enumerator);
 
+/**
+ * Creates a linked list from a NULL terminated vararg list of items.
+ *
+ * @param first			first item
+ * @param ...			subsequent items, terminated by NULL
+ * @return				linked_list_t object, containing passed items
+ */
+linked_list_t *linked_list_create_with_items(void *first, ...);
+
 #endif /** LINKED_LIST_H_ @}*/