diff --git a/src/cairo.c b/src/cairo.c
index 36fd07b..8314b8f 100644
--- a/src/cairo.c
+++ b/src/cairo.c
@@ -215,6 +215,19 @@ cairo_create (cairo_surface_t *target)
 slim_hidden_def (cairo_create);
 
 /**
+* cairo_context_size
+* Returns the size of a #cairo_t
+*
+* Return value: The size of a #cairo_t
+**/
+
+unsigned int 
+cairo_context_size(void)
+{
+	return (sizeof(cairo_t));
+}
+
+/**
  * cairo_reference:
  * @cr: a #cairo_t
  *
diff --git a/src/cairo.h b/src/cairo.h
index ba5ead6..bf8e336 100644
--- a/src/cairo.h
+++ b/src/cairo.h
@@ -307,6 +307,9 @@ cairo_pop_group (cairo_t *cr);
 cairo_public void
 cairo_pop_group_to_source (cairo_t *cr);
 
+cairo_public unsigned int
+cairo_context_size(void);
+
 /* Modify state */
 
 typedef enum _cairo_operator {