X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/1fe5f5eb5378a47bf0f3451762743c162e40faad..59ecf21e36b2332f6adf2a568ef555283d8c119a:/lunaix-os/includes/lunaix/types.h

diff --git a/lunaix-os/includes/lunaix/types.h b/lunaix-os/includes/lunaix/types.h
index 8b0c0d6..b679981 100644
--- a/lunaix-os/includes/lunaix/types.h
+++ b/lunaix-os/includes/lunaix/types.h
@@ -27,4 +27,22 @@ typedef unsigned int cpu_t;
 
 typedef u64_t lba_t;
 
+#define true 1
+#define false 0
+typedef int bool;
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ *
+ * @ptr:	the pointer to the member.
+ * @type:	the type of the container struct this is embedded in.
+ * @member:	the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member)                                        \
+    ({                                                                         \
+        const typeof(((type*)0)->member)* __mptr = (ptr);                      \
+        (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0;           \
+    })
+
 #endif /* __LUNAIX_TYPES_H */