Path: utzoo!utgpu!tmsoft!dptcdc!dpmizar!swrinde!cs.utexas.edu!rutgers!mailrus!uflorida!gatech!psuvax1!shire!flee
From: flee@shire (Felix Lee)
Newsgroups: comp.sources.games.bugs
Subject: Re: v05i094: tess - beyond the tesseract, an abstract adventure game
Message-ID: <4154@psuvax1.cs.psu.edu>
Date: 9 Dec 88 19:24:03 GMT
References: <3348@tekred.TEK.COM>
Sender: news@psuvax1.cs.psu.edu
Reply-To: flee@shire.cs.psu.edu (Felix Lee)
Organization: Penn State University Computer Science
Lines: 44

Description:
	1.  "look" with no noun doesn't work.
	2.  Tess dereferences a NULL pointer when you try to get
	    the infinite improbability and don't type a decimal
	    point (i.e., "65" instead of ".65").

Fix:
	Apply the following patch.

*** /tmp/,RCSt1a02895	Fri Dec  9 13:51:03 1988
--- tess.c	Thu Dec  8 23:02:22 1988
***************
*** 531,537 ****
        cprintf("What is the probability of getting this improbability? ");
        gets( s );
        p = strchr( s, '.' );  /* skip past decimal point */
!       if (p) p++;
        i = atoi( p );
        if (i!=sum && i*10!=sum)
        {
--- 531,537 ----
        cprintf("What is the probability of getting this improbability? ");
        gets( s );
        p = strchr( s, '.' );  /* skip past decimal point */
!       if (p) p++; else p = s;
        i = atoi( p );
        if (i!=sum && i*10!=sum)
        {
***************
*** 1961,1966 ****
--- 1961,1969 ----
        || (cmd.vn>=39 && cmd.vn<=48) || cmd.vn==50 || cmd.vn==52
        || cmd.vn==58 )
      goto branch; /* single verbs */
+ 
+   if (cmd.nn==0)
+     goto branch; /* no object */
  
    if (obj[cmd.nn].loc==-9)
    {


--
Felix Lee	flee@shire.cs.psu.edu	*!psuvax1!shire!flee