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Change proto_item_add_subtree to test for NULL pi value and return NULL. 

This is the same behavior as the proto_tree_add routines with NULL tree values.

svn path=/trunk/; revision=3191
This commit is contained in:
Jeff Foster 2001-03-26 17:58:33 +00:00
parent 6f5497ef8a
commit 486d964200
1 changed files with 7 additions and 2 deletions
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9
epan/proto.c
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@ -1,7 +1,7 @@
/* proto.c
* Routines for protocol tree
*
* $Id: proto.c,v 1.15 2001/03/23 14:44:02 jfoster Exp $
* $Id: proto.c,v 1.16 2001/03/26 17:58:33 jfoster Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
@ -1544,7 +1544,12 @@ proto_tree_create_root(void)
proto_tree*
proto_item_add_subtree(proto_item *pi, gint idx) {
field_info *fi = (field_info*) (((GNode*)pi)->data);
field_info *fi;
if (!pi)
return(NULL);
fi = (field_info*) (((GNode*)pi)->data);
g_assert(idx >= 0 && idx < num_tree_types);
fi->tree_type = idx;
return (proto_tree*) pi;