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From: hman@mit-amt.UUCP
Newsgroups: comp.lang.c
Subject: Micro Soft C v.4.0 allocation problem
Message-ID: <1051@mit-amt.MEDIA.MIT.EDU>
Date: Tue, 5-May-87 18:30:42 EDT
Article-I.D.: mit-amt.1051
Posted: Tue May  5 18:30:42 1987
Date-Received: Thu, 7-May-87 02:28:12 EDT
Reply-To: hman@media-lab.MEDIA.MIT.EDU (Harry W Morris)
Distribution: world
Organization: MIT Media Lab, Cambridge MA
Lines: 24
Keywords: alloc, calloc
Summary: memory management in MS DOS

I have been having a problem with MSC v.4.0 that I hope someone can
help me with.  I will also contact Micro Soft, but I'm on a deadline,
and  I'm affraid that they will take too long.

According to the Run Time Library Reference Manual, calloc should
return NULL if there is insufficient memory available.

I do a lot of callocing in my program.  It works fine up to a point,
then calloc returns a pointer which points to the middle of a position
I had previously callocated.  

The program is quite large and I've run out of data space (huge model, 640K)
before.  I don't think this is the problem though, since I have spend
the last few months optimizing memory and cutting out unnecessary
functions.  

Do any of you know why calloc is doing this and if there are any ways
around it?  Is this an honest to goodness bug?

Any help appreciated.

Send Mail to 	hman@media-lab.MEDIA.MIT.EDU

or 		Harry Morris 150 Spring St. Camb. MA 02141