diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mpfr-impl.h | 9 | ||||
| -rw-r--r-- | src/vasprintf.c | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/mpfr-impl.h b/src/mpfr-impl.h index 2500fc554..30c29a81a 100644 --- a/src/mpfr-impl.h +++ b/src/mpfr-impl.h @@ -197,6 +197,15 @@ https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., #define MPFR_MAYBE_UNUSED #endif +/* This MPFR_FALLTHROUGH macro allows one to make fallthrough in switch case + explicit. Use this macro at the end of a switch case if it falls through, + in order to avoid a -Wimplicit-fallthrough warning. */ +#if __MPFR_GNUC(7,0) +#define MPFR_FALLTHROUGH __attribute__ ((fallthrough)) +#else +#define MPFR_FALLTHROUGH +#endif + /****************************************************** diff --git a/src/vasprintf.c b/src/vasprintf.c index 831452bbe..be7dd79c3 100644 --- a/src/vasprintf.c +++ b/src/vasprintf.c @@ -2167,6 +2167,7 @@ mpfr_vasnprintf_aux (char **ptr, char *Buf, size_t size, const char *fmt, break; case 'N': ++fmt; + MPFR_FALLTHROUGH; default: spec.rnd_mode = MPFR_RNDN; } |