From 617c733b9fc3bf17536d77801a33f0aa63d2df4e Mon Sep 17 00:00:00 2001
From: Michal Labedzki <michal.labedzki@tieto.com>
Date: Tue, 6 Jan 2015 10:46:17 +0100
Subject: [PATCH] Add proto_tree_add_new_bytes()

Version to add as generated field, without tvb offset, length.

Change-Id: If4c7aebcbf1b47faa483bcbd40995eff3ccb99f0
Reviewed-on: https://code.wireshark.org/review/6906
Tested-by: Michal Labedzki <michal.labedzki@tieto.com>
Reviewed-by: Michal Labedzki <michal.labedzki@tieto.com>
---
 epan/proto.c | 22 ++++++++++++++++++++++
 epan/proto.h | 13 +++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/epan/proto.c b/epan/proto.c
index e12f3b62f5..0a568a3019 100644
--- a/epan/proto.c
+++ b/epan/proto.c
@@ -2437,6 +2437,28 @@ proto_tree_add_protocol_format(proto_tree *tree, int hfindex, tvbuff_t *tvb,
 	return pi;
 }
 
+/* Add a FT_BYTES to a proto_tree */
+proto_item *
+proto_tree_add_new_bytes(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
+             gint length, const guint8 *start_ptr, gint ptr_length)
+{
+    proto_item    *pi;
+    header_field_info *hfinfo;
+    gint          item_length;
+
+    PROTO_REGISTRAR_GET_NTH(hfindex, hfinfo);
+    get_hfi_length(hfinfo, tvb, start, &length, &item_length);
+    test_length(hfinfo, tvb, start, item_length);
+
+    TRY_TO_FAKE_THIS_ITEM(tree, hfindex, hfinfo);
+
+    DISSECTOR_ASSERT_FIELD_TYPE(hfinfo, FT_BYTES);
+
+    pi = proto_tree_add_pi(tree, hfinfo, tvb, start, &length);
+    proto_tree_set_bytes(PNODE_FINFO(pi), start_ptr, ptr_length);
+
+    return pi;
+}
 
 /* Add a FT_BYTES to a proto_tree */
 proto_item *
diff --git a/epan/proto.h b/epan/proto.h
index e9b4f10a0e..6fb6d1b7d9 100644
--- a/epan/proto.h
+++ b/epan/proto.h
@@ -1071,6 +1071,19 @@ WS_DLL_PUBLIC proto_item *
 proto_tree_add_bytes(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
 	gint length, const guint8* start_ptr);
 
+/** Add a FT_BYTES to a proto_tree.
+ @param tree the tree to append this item to
+ @param hfindex field index
+ @param tvb the tv buffer of the current data
+ @param start start of data in tvb
+ @param length length of data in tvb
+ @param start_ptr pointer to the data to display
+ @param ptr_length length of data in start_ptr
+ @return the newly created item */
+WS_DLL_PUBLIC proto_item *
+proto_tree_add_new_bytes(proto_tree *tree, int hfindex, tvbuff_t *tvb, gint start,
+gint length, const guint8 *start_ptr, gint ptr_length);
+
 /** Get and add a byte-array-based FT_* to a proto_tree.
 
  Supported: FT_BYTES, FT_UINT_BYTES, FT_OID, FT_REL_OID, and FT_SYSTEM_ID.