On Fri, May 29, 2020 at 3:20 PM Harald Anlauf <anl...@gmx.de> wrote: > > Hi H.J., > > > Gesendet: Freitag, 29. Mai 2020 um 23:57 Uhr > > Von: "H.J. Lu" <hjl.to...@gmail.com> > > > This breaks bootstrap: > > > > https://gcc.gnu.org/pipermail/gcc-regression/2020-May/072642.html > > > > ../../src-master/gcc/fortran/class.c:487:13: error: ‘char* > > strncpy(char*, const char*, size_t)’ specified bound 67 equals > > destination size [-Werror=stringop-truncation] > > 487 | strncpy (dt_name, gfc_dt_upper_string (derived->name), > > sizeof (dt_name)); > > what is the right way to deal with that? > > I haven't seen any use of strlcpy in the gcc sources. This would do > the right thing and would fit here. > > So should one use the clumsy way: > > strncpy(buf, str, buflen - 1); > if (buflen > 0) > buf[buflen - 1]= '\0'; > > Or is there something more convenient that keeps gcc happy?
dt_name[sizeof (dt_name) - 1] = '\0'; strncpy (dt_name, gfc_dt_upper_string (derived->name), sizeof (dt_name) - 1); -- H.J.
