Re: [Libguestfs] [PATCH v2 4/4] file: Zero for block devices on old kernels

On Tue, Aug 14, 2018 at 12:09 AM Nir Soffer <nsoffer(a)redhat.com&gt; wrote: I tested this on FreeBSD 11.0 and 10.3: # cat test.c #include <sys/ioctl.h> $ cc -E test.c # 1 "test.c" # 1 "<built-in>" 1 # 1 "<built-in>" 3 # 316 "<built-in>" 3 # 1 "<command line>" 1 # 1 "<built-in>" 2 # 1 "test.c" 2 # 1 "/usr/include/sys/ioctl.h" 1 3 4 # 45 "/usr/include/sys/ioctl.h" 3 4 # 1 "/usr/include/sys/ioccom.h" 1 3 4 # 72 "/usr/include/sys/ioccom.h" 3 4 # 1 "/usr/include/sys/cdefs.h" 1 3 4 # 73 "/usr/include/sys/ioccom.h" 2 3 4 int ioctl(int, unsigned long, ...); # 46 "/usr/include/sys/ioctl.h" 2 3 4 ... So ioctl() does come from <sys/ioctl.h> on FreeBSD. Here is netbsd version: https://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/sys/sys/ioctl.h OpenBSD: https://github.com/openbsd/src/blob/master/sys/sys/ioctl.h Looks like it is safe if our goal to be compatible at least with the BSDs.