(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 81 insertions, 5 deletions

diff --git a/sysdeps/mach/hurd/xmknod.c b/sysdeps/mach/hurd/xmknod.c
index 5f40188fb6..2989215d9c 100644
--- a/sysdeps/mach/hurd/xmknod.c
+++ b/sysdeps/mach/hurd/xmknod.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1991,1992,1993,1994,1995,1996,1999,2002,2005,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,96,99,2002 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
@@ -18,10 +17,13 @@
    02111-1307 USA.  */
 
 #include <errno.h>
+#include <sys/stat.h>
+#include <hurd.h>
+#include <hurd/paths.h>
 #include <fcntl.h>
-#include <stddef.h>
+#include "stdio-common/_itoa.h"
+#include <string.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 
 
 /* Create a device file named FILE_NAME, with permission and special bits MODE
@@ -30,6 +32,80 @@
 int
 __xmknod (int vers, const char *file_name, mode_t mode, dev_t *dev)
 {
-  return __xmknodat (vers, AT_FDCWD, file_name, mode, dev);
+  error_t err;
+  file_t dir, node;
+  char *name;
+  char buf[100], *bp;
+  const char *translator;
+  size_t len;
+
+  if (vers != _MKNOD_VER)
+    return __hurd_fail (EINVAL);
+
+  if (S_ISCHR (mode))
+    {
+      translator = _HURD_CHRDEV;
+      len = sizeof (_HURD_CHRDEV);
+    }
+  else if (S_ISBLK (mode))
+    {
+      translator = _HURD_BLKDEV;
+      len = sizeof (_HURD_BLKDEV);
+    }
+  else if (S_ISFIFO (mode))
+    {
+      translator = _HURD_FIFO;
+      len = sizeof (_HURD_FIFO);
+    }
+  else
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (! S_ISFIFO (mode))
+    {
+      /* We set the translator to "ifmt\0major\0minor\0", where IFMT
+	 depends on the S_IFMT bits of our MODE argument, and MAJOR and
+	 MINOR are ASCII decimal (octal or hex would do as well)
+	 representations of our arguments.  Thus the convention is that
+	 CHRDEV and BLKDEV translators are invoked with two non-switch
+	 arguments, giving the major and minor device numbers in %i format. */
+
+      bp = buf + sizeof (buf);
+      *--bp = '\0';
+      bp = _itoa (minor (*dev), bp, 10, 0);
+      *--bp = '\0';
+      bp = _itoa (major (*dev), bp, 10, 0);
+      memcpy (bp - len, translator, len);
+      translator = bp - len;
+      len = buf + sizeof (buf) - translator;
+    }
+
+  dir = __file_name_split (file_name, &name);
+  if (dir == MACH_PORT_NULL)
+    return -1;
+
+  /* Create a new, unlinked node in the target directory.  */
+  err = __dir_mkfile (dir, O_WRITE, (mode & ~S_IFMT) & ~_hurd_umask, &node);
+
+  if (! err)
+    /* Set the node's translator to make it a device.  */
+    err = __file_set_translator (node,
+				 FS_TRANS_EXCL | FS_TRANS_SET,
+				 FS_TRANS_EXCL | FS_TRANS_SET, 0,
+				 translator, len,
+				 MACH_PORT_NULL, MACH_MSG_TYPE_COPY_SEND);
+
+  if (! err)
+    /* Link the node, now a valid device, into the target directory.  */
+    err = __dir_link (dir, node, name, 1);
+
+  __mach_port_deallocate (__mach_task_self (), dir);
+  __mach_port_deallocate (__mach_task_self (), node);
+
+  if (err)
+    return __hurd_fail (err);
+  return 0;
 }
 libc_hidden_def (__xmknod)