Hurd: empty file names fail with ENOENT

diff --git a/ChangeLog b/ChangeLog
index 1371751..739ee96 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-05-10  Samuel Thibault  <samuel.thibault@ens-lyon.org>
+
+       * hurd/hurdchdir.c (_hurd_change_directory_port_from_name):
+       Return ENOENT when name is empty.
+       * sysdeps/mach/hurd/chroot.c (chroot): Likewise.
+
 2012-05-10  Thomas Schwinge  <thomas@schwinge.name>
 
        * include/libc-symbols.h [NO_HIDDEN] (hidden_nolink): New macro.

diff --git a/hurd/hurdchdir.c b/hurd/hurdchdir.c
index 6881956..1669358 100644 (file)
--- a/hurd/hurdchdir.c
+++ b/hurd/hurdchdir.c
@@ -1,5 +1,5 @@
 /* Change a port cell to a directory by looking up a name.
-   Copyright (C) 1999,2001,02 Free Software Foundation, Inc.
+   Copyright (C) 1999-2012 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
@@ -37,6 +37,9 @@ _hurd_change_directory_port_from_name (struct hurd_port *portcell,
   len = strlen (name);
   if (len >= 2 && name[len - 2] == '/' && name[len - 1] == '.')
     lookup = name;
+  else if (len == 0)
+    /* Special-case empty file name according to POSIX.  */
+    return __hurd_fail (ENOENT);
   else
     {
       char *n = alloca (len + 3);

diff --git a/sysdeps/mach/hurd/chroot.c b/sysdeps/mach/hurd/chroot.c
index 1a6b1e4..95bee33 100644 (file)
--- a/sysdeps/mach/hurd/chroot.c
+++ b/sysdeps/mach/hurd/chroot.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,97,99,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2012 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
@@ -37,6 +37,9 @@ chroot (const char *path)
   len = strlen (path);
   if (len >= 2 && path[len - 2] == '/' && path[len - 1] == '.')
     lookup = path;
+  else if (len == 0)
+    /* Special-case empty file name according to POSIX.  */
+    return __hurd_fail (ENOENT);
   else
     {
       char *n = alloca (len + 3);