Joel Sherrill commented on a discussion on cpukit/include/rtems/score/basedefs.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/730#note_131237 > + * > + * @brief This macro expands to a fall through hint. > + * > + * In C switch statement, it is possible for one case to "fall through" > + * to the next. Until C23, there was no standard way for the programmer > + * to tell the compiler this was intentional. Many times, not having > + * a "break" statement is an error. This macro standardizes the hint > + * for RTEMS source code. > + * > + * @note GCC recognizes many comment strings with "fall through" as > + * a hint. But a cpp macro cannot insert a comment. > + */ > +#if __STDC_VERSION__ >= 202311L > + #define RTEMS_FALL_THROUGH() [[fallthrough]] > +#elif __GNUC__ > + #define RTEMS_FALL_THROUGH() __attribute__ ((fallthrough)) Discussed #5327 and we agreed on C23. Also consider eliminating basedefs.h as much as possible when later C versions gave portable constructs. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/730#note_131237 You're receiving this email because of your account on gitlab.rtems.org.
_______________________________________________ bugs mailing list [email protected] http://lists.rtems.org/mailman/listinfo/bugs
