Add a CONTAINER_OF macro

2016-01-02 03:24:35 +01:00 · 2016-01-02 03:24:35 +01:00 · 4dfd88c2c8
parent b5724a654a
commit 4dfd88c2c8
1 changed files with 3 additions and 0 deletions
--- a/liberty.c
+++ b/liberty.c
@ -112,6 +112,9 @@ extern char **environ;
 #define STRINGIFY(x) #x
 #define XSTRINGIFY(x) STRINGIFY (x)

+#define CONTAINER_OF(pointer, type, member) \
+	((type *) ((char *) pointer - offsetof (type, member)))
+
 // --- Logging -----------------------------------------------------------------

 static void