initial import

1 files changed, 60 insertions, 0 deletions

diff --git a/sysdeps/mach/hurd/link.c b/sysdeps/mach/hurd/link.c
new file mode 100644
index 0000000000..11262f5a0f
--- /dev/null
+++ b/sysdeps/mach/hurd/link.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <hurd.h>
+
+/* Make a link to FROM called TO.  */
+int
+DEFUN(__link, (from, to), CONST char *from AND CONST char *to)
+{
+  error_t err;
+  file_t oldfile, linknode, todir;
+  char *toname;
+
+  oldfile = __file_name_lookup (from, 0, 0);
+  if (oldfile == MACH_PORT_NULL)
+    return -1;
+
+  /* The file_getlinknode RPC returns the port that should be passed to
+     the receiving filesystem (the one containing TODIR) in dir_link.  */
+
+  err = __file_getlinknode (oldfile, &linknode);
+  __mach_port_deallocate (__mach_task_self (), oldfile);
+  if (err)
+    return __hurd_fail (err);
+
+  todir = __file_name_split (to, &toname);
+  if (todir != MACH_PORT_NULL)
+    {
+      err = __dir_link (linknode, todir, toname);
+      __mach_port_deallocate (__mach_task_self (), todir);
+    }
+  __mach_port_deallocate (__mach_task_self (), linknode);
+  if (todir == MACH_PORT_NULL)
+    return -1;
+
+  if (err)
+    return __hurd_fail (err);
+  return 0;
+}
+
+weak_alias (__link, link)