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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/mach/hurd/opendir.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/mach/hurd/opendir.c')
-rw-r--r--sysdeps/mach/hurd/opendir.c75
1 files changed, 34 insertions, 41 deletions
diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c
index a1ff947f06..23e04ede0e 100644
--- a/sysdeps/mach/hurd/opendir.c
+++ b/sysdeps/mach/hurd/opendir.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1993,94,95,96,97,98,2001,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1993,1994,1995,1996,1997,1998,2001,2003,2005,2006
+	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
@@ -32,62 +33,29 @@
 #include "dirstream.h"
 
 
-/* Open a directory stream on NAME.  */
+/* Open a directory stream on a file descriptor in Hurd internal form.
+   We do no checking here on the descriptor.  */
 DIR *
-__opendir (const char *name)
+_hurd_fd_opendir (struct hurd_fd *d)
 {
   DIR *dirp;
-  int fd;
-  struct hurd_fd *d;
 
-  if (name[0] == '\0')
+  if (d == NULL)
     {
-      /* POSIX.1-1990 says an empty name gets ENOENT;
-	 but `open' might like it fine.  */
-      __set_errno (ENOENT);
+      errno = EBADF;
       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)
-    {
-      __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);
+    return NULL;
 
   /* 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;
@@ -97,4 +65,29 @@ __opendir (const char *name)
 
   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)