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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-05 08:32:28 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-09-08 07:53:02 +0200 |
| commit | a72f16e47b0d8221962918684fdb6efde5ce71e5 (patch) | |
| tree | e8fb0c4f075bafcc4188e49e6d17e5b3631b4fd0 /cpukit | |
| parent | capture: Add support for variable length records. (diff) | |
| download | rtems-a72f16e47b0d8221962918684fdb6efde5ce71e5.tar.bz2 | |
score: Add RTEMS_DECONST|DEVOLATILE|DEQUALIFY()
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/score/include/rtems/score/basedefs.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h index ec93951a4f..361f51479c 100644 --- a/cpukit/score/include/rtems/score/basedefs.h +++ b/cpukit/score/include/rtems/score/basedefs.h @@ -227,6 +227,33 @@ #define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \ ( (_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 typedef bool boolean; |