Changeset a72f16e in rtems

Timestamp:

Sep 5, 2014, 6:32:28 AM (7 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

4.11, 5, master

Children:

ddf8d12

Parents:

2a86615

git-author:

Sebastian Huber <sebastian.huber@…> (09/05/14 06:32:28)

git-committer:

Sebastian Huber <sebastian.huber@…> (09/08/14 05:53:02)

Message:

score: Add RTEMS_DECONST|DEVOLATILE|DEQUALIFY()

File:

• cpukit/score/include/rtems/score/basedefs.h (modified) (1 diff)

cpukit/score/include/rtems/score/basedefs.h

@@ -228 +228 @@
   ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) )
 
+/**
+ * @brief Removes the const qualifier from a type of a variable.
+ *
+ * @param[in] _type The target type for the variable.
+ * @param[in] _var The variable.
+ */
+#define RTEMS_DECONST( _type, _var ) \
+  ((_type)(uintptr_t)(const void *) ( _var ))
+
+/**
+ * @brief Removes the volatile qualifier from a type of a variable.
+ *
+ * @param[in] _type The target type for the variable.
+ * @param[in] _var The variable.
+ */
+#define RTEMS_DEVOLATILE( _type, _var ) \
+  ((_type)(uintptr_t)(volatile void *) ( _var ))
+
+/**
+ * @brief Removes the all qualifiers from a type of a variable.
+ *
+ * @param[in] _type The target type for the variable.
+ * @param[in] _var The variable.
+ */
+#define RTEMS_DEQUALIFY( _type, _var ) \
+  ((_type)(uintptr_t)(const volatile void *) ( _var ))
+
 #ifndef ASM
   #ifdef RTEMS_DEPRECATED_TYPES