Index: strflags.h
===================================================================
--- strflags.h	(nonexistent)
+++ strflags.h	(revision 4)
@@ -0,0 +1,51 @@
+/* $Id$ */
+/*
+ *                            COPYRIGHT
+ *
+ *  PCB, interactive printed circuit board design
+ *  Copyright (C) 2005 DJ Delorie
+ *
+ *  This program 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 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Contact addresses for paper mail and Email:
+ *  DJ Delorie, 334 North Road, Deerfield NH 03037-1110, USA
+ *  dj@delorie.com
+ *
+ */
+
+#ifndef PCB_STRFLAGS_H
+#define PCB_STRFLAGS_H
+
+/* The purpose of this interface is to make the file format able to
+   handle more than 32 flags, and to hide the internal details of
+   flags from the file format.  */
+
+/* When passed a string, parse it and return an appropriate set of
+   flags.  Errors cause error() to be called with a suitable message;
+   if error is NULL, errors are ignored.  */
+FlagType string_to_flags (const char *flagstring,
+			  int (*error) (const char *msg));
+
+/* Given a set of flags for a given object type, return a string which
+   can be output to a file.  The returned pointer must not be
+   freed.  */
+char *flags_to_string (FlagType flags, int object_type);
+
+/* Same as above, but for pcb flags.  */
+FlagType string_to_pcbflags (const char *flagstring,
+			  int (*error) (const char *msg));
+char *pcbflags_to_string (FlagType flags);
+
+#endif