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From: lindahl@violet.berkeley.edu (Ken Lindahl   642-0866)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Novice question about malloc() in Think C
Message-ID: <1991Feb25.181503.16865@agate.berkeley.edu>
Date: 25 Feb 91 18:15:03 GMT
References: <1991Feb25.103404.3662@Neon.Stanford.EDU> <12591@helios.TAMU.EDU>
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In article <12591@helios.TAMU.EDU> n138ct@tamuts.tamu.edu (Brent Burton) writes:
>Your code is perfect.
>
>I have had this problem too.  I don't know what it is, but I looked at
>the alloc.c file and tried to figure it out.  It's been a while, but I think
>it returns null if it can't get the block and also if the block requested
>is under a certain size.  Don't quote me on this nor flame me, people.
>
>What I did was to surround every malloc() call with this:
>
>#ifdef THINK_C
>   x = (char *)NewPtr((long)sizeof(char));
>#else
>   x = (char *)malloc(sizeof(char));
>#endif
>
>I also added this:
>#ifdef THINK_C
>#define free(x)  DisposPtr((x))
>#endif
>
>This has relieved me of all problems.  I'm going to, someday, examine the
>THINK C code and try to fix it myself.
>
>BTW, I did add the 4.02 patches.
>             +----------------------+--------------------------+
>             | Brent P. Burton      | n138ct@tamuts.tamu.edu   |
>             | Texas A&M University | Computer Science/Physics |
>             +----------------------+--------------------------+

Ken Lindahl				lindahl@violet.berkeley.edu
Advanced Technology Planning,
Information Systems and Technology
University of California at Berkeley