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Re: Glob problem with memory

X-seq: zsh-workers 9177
From: Peter Stephenson <pws@xxxxxxxxxxxxxxxxxxxxxxxx>
To: zsh-workers <zsh-workers@xxxxxxxxxxxxxx>
Subject: Re: Glob problem with memory
Date: Sat, 01 Jan 2000 16:55:24 +0000
In-reply-to: "Felix Rosencrantz"'s message of "Wed, 29 Dec 1999 23:51:46 PST." <19991230075146.20165.qmail@xxxxxxxxxxxxxxxxxxxxxx>
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Felix Rosencrantz wrote:
> When attempting to do an "echo *(/)" or use other glob qualifiers,
> I've been getting a bus error with this stack trace on Solaris 5.6.
> I started seeing this problem in builds sometime after Dec 14th.
> I think it is related to the recently made memory changes.
> I don't see the problem if I replace the hcalloc on line glob.c:1312
> with a zcalloc, so the problem seems to be related to memory allocation.

We should check that the new mmap() memory things in mem.c always return
64-bit aligned pointers where necessary, even on 32-bit machines.  I was
getting just this sort of problem with the old form of the zhalloc()
mechanism when I introduced 64-bit integer support and before I fixed the
alignment.  I'll have a look at this, but Sven might be able to trace it
more effectively when he gets back.  Meanwhile, changing the USE_MMAP
#define in mem.c to #undef USE_MMAP should fix things up for the time
being.

-- 
Peter Stephenson <pws@xxxxxxxxxxxxxxxxxxxxxxxx>

Follow-Ups:
- Re: Glob problem with memory
  - From: jarausch

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