1 files changed, 63 insertions, 0 deletions
diff --git a/clopts_common.c b/clopts_common.c
new file mode 100644
index 0000000000..487dbd5bf3
--- /dev/null
+++ b/clopts_common.c
@@ -0,0 +1,63 @@
+/* clopts_common.c
+ * Handle command-line arguments common to Ethereal and Tethereal
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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 <stdio.h>
+#include <string.h>
+
+#include <epan/proto.h>
+
+#include "clopts_common.h"
+
+/*
+ * Handle the "-G" option, to cause protocol field, etc. information
+ * to be printed.
+ */
+void
+handle_dashG_option(int argc, char **argv, char *progname)
+{
+  if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
+    if (argc == 2)
+      proto_registrar_dump_fields(1);
+    else {
+      if (strcmp(argv[2], "fields") == 0)
+        proto_registrar_dump_fields(1);
+      else if (strcmp(argv[2], "fields2") == 0)
+        proto_registrar_dump_fields(2);
+      else if (strcmp(argv[2], "protocols") == 0)
+        proto_registrar_dump_protocols();
+      else if (strcmp(argv[2], "values") == 0)
+        proto_registrar_dump_values();
+      else {
+        fprintf(stderr, "%s: Invalid \"%s\" option for -G flag\n", progname,
+                argv[2]);
+        exit(1);
+      }
+    }
+    exit(0);
+  }
+}