From Edwin Groothuis via bug 6207:

Added Filter Toolbar Save functionality.

From me:
Removed unused code.

svn path=/trunk/; revision=38937

1 files changed, 80 insertions, 0 deletions

diff --git a/epan/filter_expressions.c b/epan/filter_expressions.c
new file mode 100644
index 0000000000..92c9439ff8
--- /dev/null
+++ b/epan/filter_expressions.c
@@ -0,0 +1,80 @@
+/* filter_expressions.c
+ * Submitted by Edwin Groothuis <wireshark@mavetju.org>
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <glib.h>
+
+#include <epan/prefs.h>
+
+#include "epan/filter_expressions.h"
+
+static struct filter_expression *_filter_expression_head = NULL;
+struct filter_expression **pfilter_expression_head = &_filter_expression_head;
+
+/*
+ * Create a new filter_expression and add it to the end of the list
+ * of filter_expressions.
+ */
+struct filter_expression *
+filter_expression_new(const gchar *label, const gchar *expr,
+    const gboolean enabled)
+{
+	struct filter_expression *expression;
+	struct filter_expression *prev;
+
+	expression = (struct filter_expression *)g_malloc(sizeof(struct filter_expression));
+	memset(expression, '\0', sizeof(struct filter_expression));
+	expression->button = NULL;
+	expression->label = g_strdup(label);
+	expression->expression = g_strdup(expr);
+	expression->enabled = enabled;
+	expression->deleted = FALSE;
+	expression->index = 0;
+
+	expression->next = NULL;
+
+	/* Add it at the end so the button order is always the same*/
+	if (*pfilter_expression_head == NULL) {
+		_filter_expression_head = expression;
+	} else {
+		prev = *pfilter_expression_head;
+		while (prev->next != NULL)
+			prev = prev->next;
+		prev->next = expression;
+		expression->index = prev->index + 1;
+	}
+
+	return(expression);
+}
+
+void
+filter_expression_init(gboolean enable_prefs)
+{
+	if (enable_prefs)
+		prefs.filter_expressions = pfilter_expression_head;
+}