[hurd,commited] hurd: fix ptsname error when called on a non-tty

[Samuel Thibault]

* sysdeps/mach/hurd/ptsname.c (__ptsname_internal): Replace
not-supported errors from __term_get_peername with ENOTTY.
---
 sysdeps/mach/hurd/ptsname.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sysdeps/mach/hurd/ptsname.c b/sysdeps/mach/hurd/ptsname.c
index 87fac8fc28..9627f970f9 100644
--- a/sysdeps/mach/hurd/ptsname.c
+++ b/sysdeps/mach/hurd/ptsname.c
@@ -48,7 +48,11 @@ __ptsname_internal (int fd, char *buf, size_t buflen, struct 
stat64 *stp)
   error_t err;
 
   if (err = HURD_DPORT_USE (fd, __term_get_peername (port, peername)))
-    return __hurd_dfail (fd, err), errno;
+    {
+      if (err == EMIG_BAD_ID || err == EOPNOTSUPP)
+       err = ENOTTY;
+      return __hurd_dfail (fd, err), errno;
+    }
 
   len = __strnlen (peername, sizeof peername - 1) + 1;
   if (len > buflen)
-- 
2.26.2