X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fcompiler.h;h=f8fce5a6b46558fa4a4b2d50f78f91eecf229c90;hp=489677b3aefe1ad6dd294006d903721f375f66a7;hb=b194c06ef206b0fcf7f1e646fe7c1e8afa8766ce;hpb=9380711ae3803da72aa1c7cf9ade5c3f93757006

diff --git a/urcu/compiler.h b/urcu/compiler.h
index 489677b..f8fce5a 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -55,9 +55,16 @@
 #define CAA_BITS_PER_LONG	32
 #endif
 
-#define caa_container_of(ptr, type, member)					\
+/*
+ * caa_container_of - Get the address of an object containing a field.
+ *
+ * @ptr: pointer to the field.
+ * @type: type of the object.
+ * @member: name of the field within the object.
+ */
+#define caa_container_of(ptr, type, member)				\
 	({								\
-		const typeof(((type *)NULL)->member) * __ptr = (ptr);	\
+		const typeof(((type *) NULL)->member) * __ptr = (ptr);	\
 		(type *)((char *)__ptr - offsetof(type, member));	\
 	})