Hi, Le mercredi 22 avril 2009 à 20:06 +0000, gogr...@wi.rr.com a écrit : > well my function is in the dll that i export for my dissector to use. here's > the code: > > (_AppendMultiMsg)( target, bnpLength ); // adds current tvb to the buffer > in my dll > multiMsgSize = (_GetMultiMsgSize)(); // size of whole buffer as int > next_tvb = tvb_new_real_data((const guint8 *)(_GetMultiMsg)(), > multiMsgSize, multiMsgSize); //new tvb that holds the buffer from my dll > tvb_set_free_cb(next_tvb, (_FreeMultiMemory)); // FreeMultiMemory is the > function that will free the void* multiMsg object in my dll that is holding > the buffer in the first place > add_new_data_source(pinfo, next_tvb, "Multi-Part Message"); > dissectPacket( next_tvb, bnp_tree, pinfo ); >
> So i was wondering a way to put my buffer from dll into a new buffer, free > the memory from my dll, but have it copied in wireshark memory to use. I had > something like this before, would this work?: > Yes but I would use g_malloc() and tvb_set_free_cb(next_tvb, g_free) rather than ep_alloc(). I'm not sure Wireshark guarantee that tvb buffer life is never greater than 'ep' memory. And don't forget the tvb_set_child_real_data_tvbuff() call or you leak tvb buffer. Didier > > (_AppendMultiMsg)( target, bnpLength ); > multiMsgSize = (_GetMultiMsgSize)(); > > free(target); > target = ep_alloc(multiMsgSize); > memcpy(target, (_GetMultiMsg)(), multiMsgSize); > target = (_GetMultiMsg)(); > next_tvb = tvb_new_real_data((const guint8 *)target, > multiMsgSize, multiMsgSize);*/ > (_FreeMultiMemory)(); > add_new_data_source(pinfo, next_tvb, "Multi-Part Message"); > dissectPacket( next_tvb, bnp_tree, pinfo ); > > Thanks for the help, > > Greg ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe
