Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!swrinde!ucsd!ames!uhccux!webb
From: webb@uhccux.uhcc.hawaii.edu (Thomas Webb)
Newsgroups: comp.lang.pascal
Subject: Re: Rusty programmer seeks help...
Summary: Thanks everyone!  This is the right answer...
Message-ID: <5655@uhccux.uhcc.hawaii.edu>
Date: 8 Dec 89 18:57:25 GMT
References: <5651@uhccux.uhcc.hawaii.edu> <4222@hydra.gatech.EDU>
Reply-To: webb@uhccux.UUCP (Thomas Webb)
Distribution: usa
Organization: University of Hawaii
Lines: 24


Lots of people mailed me answers to my problem with the recursive
directory search, and I have tried to mail responses to all of them,
however, I was unable to get mail through to Bob Baggerman and Tom at
the U of Tronto, and so would like to thank them here.  At any rate,
the sloution that Scott Bostater puts forth here is the one that I
have used, and it does, indeed, work as it should.  Thank you Scott.

>Your problem is that the variable DirInfor is not local to your recursive 
>routine. What's happening is that the second call over-writes the information
>in DirInfo that specifies what the filename and pathname are. By making Dirinfo
>local to the procedure tree, you keep making copies of Dirinfo on the heap so
>that when you return from one level of recursion, the previous data in the
>old version of DirInfo is still intact. This method works fine as long as you
>have plenty of heap/stack space!
>-- 
>Scott Bostater      GTRI/RAIL/RAD   (Ga. Tech)
>"My soul finds rest in God alone; my salvation comes from Him"  -Ps 62.1


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