On Feb 01 2021, Samuel Thibault wrote: > BSD 4.1 did not have an argument for TIOCFLUSH, BSD 4.2 added it. There > are still a lot of applications out there that pass a NULL argument to > TIOCFLUSH, so we should rather cope with it. > --- > sysdeps/mach/hurd/ioctl.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c > index 662e8ee919..0d5bc176d1 100644 > --- a/sysdeps/mach/hurd/ioctl.c > +++ b/sysdeps/mach/hurd/ioctl.c > @@ -113,6 +113,10 @@ __ioctl (int fd, unsigned long int request, ...) > /* We don't want to advance ARG since it will be used to copy out > too if IOC_OUT is also set. */ > void *argptr = arg; > + int zero = 0; > + > + if (request == TIOCFLUSH && !arg) > + arg = &zero;
s/arg/argptr/. Andreas. -- Andreas Schwab, [email protected] GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
