Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!claris!drc
From: drc@claris.com (Dennis Cohen)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Trouble with using Munger
Message-ID: <11122@claris.com>
Date: 13 Jul 90 14:28:11 GMT
References: <477@psych.psy.uq.oz.au> <42915@apple.Apple.COM>
Organization: Claris Corporation, Santa Clara CA
Lines: 42

keith@Apple.COM (Keith Rollin) writes:

>In article <477@psych.psy.uq.oz.au> strasser@psych.psy.uq.oz.au (Michael Strasser) writes:
>>I am having a problem using Munger in a macApp program I'm writing.  I
>>am trying to use it as part of a simple text-parsing routine.  Here is
>>an example of what I have now:
>>
>>Given:
>>
>>	VAR
>>		aChar : Char;
>>		text : Handle;
>>		offset : LONGINT;
>>		where : LONGINT;
>>
>>I have text set correctly (I've checked this), and offset set to 0.  
>>I then try to find the first tab character in a string which I know 
>>contains at least one tab using:
>>
>>	aChar := chTab;
>>	where := Munger(text, offset, @aChar, 1, NIL, 0);
>>
>>but Munger returns -1, signifying that the string was not found.
>>
>>Am I doing anything wrong?  According to my reading of IM, it should be
>>OK.  

>You're passing a pointer to the length byte of "aChar", rather than the
>first character of aChar. Try:

>	where := Munger(text, offset @aChar[1], Length(aChar), NIL, 0);

Keith, since when does a Char have a length byte?  This cannot be the
problem as stated.  I don't know what he has as a value for chTab, but
I'd be curious since the code he has works for me when I try it.


-- 
Dennis Cohen
Claris Corp.
 ****************************************************
Disclaimer:  Any opinions expressed above are _MINE_!