From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 22 Dec 2004 20:10:10 +0000
Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

---
 sysdeps/mach/hurd/opendir.c | 75 +++++++++++++++++++++++++--------------------
 1 file changed, 41 insertions(+), 34 deletions(-)

(limited to 'sysdeps/mach/hurd/opendir.c')

diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c
index 23e04ede0e..a1ff947f06 100644
--- a/sysdeps/mach/hurd/opendir.c
+++ b/sysdeps/mach/hurd/opendir.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1993,1994,1995,1996,1997,1998,2001,2003,2005,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1993,94,95,96,97,98,2001,2003 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
@@ -33,29 +32,62 @@
 #include "dirstream.h"
 
 
-/* Open a directory stream on a file descriptor in Hurd internal form.
-   We do no checking here on the descriptor.  */
+/* Open a directory stream on NAME.  */
 DIR *
-_hurd_fd_opendir (struct hurd_fd *d)
+__opendir (const char *name)
 {
   DIR *dirp;
+  int fd;
+  struct hurd_fd *d;
 
-  if (d == NULL)
+  if (name[0] == '\0')
     {
-      errno = EBADF;
+      /* POSIX.1-1990 says an empty name gets ENOENT;
+	 but `open' might like it fine.  */
+      __set_errno (ENOENT);
       return NULL;
     }
 
+  {
+    /* Append trailing slash to directory name to force ENOTDIR
+       if it's not a directory.
+
+       We open using the O_NONBLOCK flag so that a nondirectory with
+       blocking behavior (FIFO or device) gets ENOTDIR immediately
+       rather than waiting for the special file's open wakeup predicate.  */
+
+    size_t len = strlen (name);
+    if (name[len - 1] == '/')
+      fd = __open (name, O_RDONLY | O_NONBLOCK);
+    else
+      {
+	char n[len + 2];
+	memcpy (n, name, len);
+	n[len] = '/';
+	n[len + 1] = '\0';
+	fd = __open (n, O_RDONLY | O_NONBLOCK);
+      }
+  }
+  if (fd < 0)
+    return NULL;
+
   dirp = (DIR *) malloc (sizeof (DIR));
   if (dirp == NULL)
-    return NULL;
+    {
+      __close (fd);
+      return NULL;
+    }
+
+  /* Extract the pointer to the descriptor structure.  */
+  __mutex_lock (&_hurd_dtable_lock);
+  d = dirp->__fd = _hurd_dtable[fd];
+  __mutex_unlock (&_hurd_dtable_lock);
 
   /* Set the descriptor to close on exec. */
   __spin_lock (&d->port.lock);
   d->flags |= FD_CLOEXEC;
   __spin_unlock (&d->port.lock);
 
-  dirp->__fd = d;
   dirp->__data = dirp->__ptr = NULL;
   dirp->__entry_data = dirp->__entry_ptr = 0;
   dirp->__allocation = 0;
@@ -65,29 +97,4 @@ _hurd_fd_opendir (struct hurd_fd *d)
 
   return dirp;
 }
-
-
-/* Open a directory stream on NAME.  */
-DIR *
-__opendir (const char *name)
-{
-  if (name[0] == '\0')
-    {
-      /* POSIX.1-1990 says an empty name gets ENOENT;
-	 but `open' might like it fine.  */
-      __set_errno (ENOENT);
-      return NULL;
-    }
-
-  int fd = __open (name, O_RDONLY | O_NONBLOCK | O_DIRECTORY);
-  if (fd < 0)
-    return NULL;
-
-  /* Extract the pointer to the descriptor structure.  */
-  DIR *dirp = _hurd_fd_opendir (_hurd_fd_get (fd));
-  if (dirp == NULL)
-    __close (fd);
-
-  return dirp;
-}
 weak_alias (__opendir, opendir)
-- 
cgit 1.4.1