Define our own container_of as well

Don't rely on libwayland-client/server to define this for us.
2012-10-19 23:05:37 -04:00
parent 5717b6dbf1
commit 8c31a4c025
2 changed files with 8 additions and 0 deletions
@@ -39,6 +39,10 @@

 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])

+#define container_of(ptr, type, member) ({				\
+	const __typeof__( ((type *)0)->member ) *__mptr = (ptr);	\
+	(type *)( (char *)__mptr - offsetof(type,member) );})
+
 struct weston_transform {
 	struct weston_matrix matrix;
 	struct wl_list link;