EqEmu Remove Item Links

void Client::ChannelMessageReceived(uint8 chan_num, uint8 language, uint8 lang_skill, const char* orig_message, const char* targetname) {

(...)

  int length, i, j; bool isMidItemLink = false;

  length = strlen(message);
  for (i=0, j=0; i < length; i++, j++)
  {

    // jump the second 0x12 for the termination of the item link
    // need to test for this before the next check so consecutive item links are handled properly
    if (message[j] == 0x12 && isMidItemLink) {
      j++;
      isMidItemLink = false;
    }

    // grab the begining of an item link
    // update the read location to skip over the item id
    if (message[j] == 0x12 && !isMidItemLink)
    {
      j += 46;
      isMidItemLink = true;
    }

    // this should always be the case, but what if client sends (intentionally?) malformed string.
    // could also do a input sanitization check 32 <= message[i] <= 126 or something similar
    if (j < length)
    {
      message[i] = message[j];
    } else {
      message[i] = NULL;
    }
  }


(...)

}