Eric Blake <ebl...@redhat.com> writes: > wants to change requirements for isatty() and friends to be required > to set errno on failure (right now, there is no obvious way to tell, > using only the standard, if a failure even happened); but the Austin > Group would like a wider sampling of what existing libc > implementations do. If you could run this program on various systems > and report, that would be helpful:
Running through the different systems on the compile farm: AIX 7.1.1 (cfarm111): $ ./a.out 25 Not a typewriter 25 Not a typewriter 22 Invalid argument Oracle Solaris 11.3 (cfarm211): $ ./a.out 25 Inappropriate ioctl for device 25 Inappropriate ioctl for device 25 Inappropriate ioctl for device OpenBSD 7.5 (cfarm220): $ ./a.out 22 Invalid argument 22 Invalid argument 22 Invalid argument FreeBSD 14.0 (cfarm240): $ ./a.out 22 Invalid argument 22 Invalid argument 22 Invalid argument Alpine 3.19 w/ Musl (cfarm27): $ ./a.out 25 Not a tty 25 Not a tty 0 No error information MacOS 12.6 (cfarm104): $ ./a.out 25 Inappropriate ioctl for device 25 Inappropriate ioctl for device 25 Inappropriate ioctl for device A NetBSD 10.0 virtual machine: $ ./a.out 25 Inappropriate ioctl for device 0 Undefined error: 0 25 Inappropriate ioctl for device Feel free to send to the POSIX bug tracker. I don't have an account. Collin
