Add infrastructure for display filter functions.

Add upper() and lower() display filter functions for string fields.

svn path=/trunk/; revision=18071

1 files changed, 42 insertions, 0 deletions

diff --git a/epan/dfilter/sttype-function.h b/epan/dfilter/sttype-function.h
new file mode 100644
index 0000000000..b93f2e3273
--- /dev/null
+++ b/epan/dfilter/sttype-function.h
@@ -0,0 +1,42 @@
+/*
+ * $Id: sttype-test.h 11400 2004-07-18 00:24:25Z guy $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@zing.org>
+ * Copyright 2001 Gerald Combs
+ *
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef STTYPE_FUNCTION_H
+#define STTYPE_FUNCTION_H
+
+#include "dfunctions.h"
+
+/* Set the parameters for a function stnode_t. */
+void
+sttype_function_set_params(stnode_t *node, GSList *params);
+
+/* Get the function-definition record for a function stnode_t. */
+df_func_def_t* sttype_function_funcdef(stnode_t *node);
+
+/* Get the parameters for a function stnode_t. */
+GSList* sttype_function_params(stnode_t *node);
+
+/* Free the memory of a param list */
+void st_funcparams_free(GSList *params);
+
+#endif