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authorBruno Haible <bruno@clisp.org>2010-04-26 10:07:15 -0700
committerPetr Baudis <pasky@ucw.cz>2010-05-12 03:21:19 +0200
commitca27df35b7e821a800c9302bc06b7923e1ff59fd (patch)
tree73607c2930de91097713fb93252806b33cee6e3f
parent49c6fd1ff2a550ad407054a2821d654c41e22679 (diff)
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BZ #11537: Hurd: Fix ttyname_r error return value.
(cherry picked from commit 6cffee3611f324326ae46bb02d2baeb62c0db6a4)
-rw-r--r--ChangeLog6
-rw-r--r--sysdeps/mach/hurd/ttyname_r.c6
2 files changed, 9 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 33f2cb00a9..1500f3e683 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-25  Bruno Haible  <bruno@clisp.org>
+
+	[BZ #11537]
+	* sysdeps/mach/hurd/ttyname_r.c (__ttyname_r): Upon failure, return
+	errno, not -1.
+
 2010-04-24  Emilio Pozuelo Monfort  <pochu27@gmail.com>
 
 	* hurd/lookup-at.c (__file_name_lookup_at): Fix error return value.
diff --git a/sysdeps/mach/hurd/ttyname_r.c b/sysdeps/mach/hurd/ttyname_r.c
index 7313b9afcb..8896252246 100644
--- a/sysdeps/mach/hurd/ttyname_r.c
+++ b/sysdeps/mach/hurd/ttyname_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 95, 96, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1994,1995,1996,1998,2010 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -34,13 +34,13 @@ __ttyname_r (int fd, char *buf, size_t buflen)
 
   nodename[0] = '\0';
   if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename)))
-    return __hurd_dfail (fd, err), -1;
+    return __hurd_dfail (fd, err), errno;
 
   len = strlen (nodename) + 1;
   if (len > buflen)
     {
       errno = EINVAL;
-      return -1;
+      return errno;
     }
 
   memcpy (buf, nodename, len);