Joel Sherrill commented on a discussion on cpukit/include/rtems/score/basedefs.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/730#note_131224 > +/** > + * @ingroup RTEMSAPIBaseDefs > + * > + * @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]] Because we may decide to compile as C17 or with a compiler other than GCC or clang. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/730#note_131224 You're receiving this email because of your account on gitlab.rtems.org.
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