1 files changed, 42 insertions, 0 deletions
diff --git a/devnode/util.h b/devnode/util.h
new file mode 100644
index 00000000..2efc1ef5
--- /dev/null
+++ b/devnode/util.h
@@ -0,0 +1,42 @@
+/* 
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   Written by Zheng Da.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   The GNU Hurd 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the GNU Hurd; see the file COPYING.  If not, write to
+   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <stdio.h>
+
+#ifdef DEBUG 
+
+#define debug(format, ...) do				\
+{							\
+  char buf[1024];                                       \
+  snprintf (buf, 1024, "devnode: %s", format);       \
+  fprintf (stderr , buf, ## __VA_ARGS__);		\
+  fflush (stderr);					\
+} while (0)
+
+#else
+
+#define debug(format, ...) do {} while (0)
+
+#endif
+
+#endif