update from main archive 960105

sysdeps/unix/sysv/linux/xmknod.c

@@ -0,0 +1,48 @@
+/* xmknod call using old-style Unix mknod system call.
+   Copyright (C) 1991, 1993, 1995, 1996, 1997 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+
+extern int __syscall_mknod (const char *, unsigned short int,
+			    unsigned short int);
+
+/* Create a device file named PATH, with permission and special bits MODE
+   and device number DEV (which can be constructed from major and minor
+   device numbers with the `makedev' macro above).  */
+int
+__xmknod (int vers, const char *path, mode_t mode, dev_t *dev)
+{
+  unsigned short int k_dev;
+
+  if (vers != _MKNOD_VER)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* We must convert the value to dev_t type used by the kernel.  */
+  k_dev = ((major (*dev) & 0xff) << 8) | (minor (*dev) & 0xff);
+
+  return __syscall_mknod (path, mode, k_dev);
+}
+
+weak_alias (__xmknod, _xmknod)