[haiku-development] Re: weird segfault in malloc internals when trying to call fdopen()
- From: Michael Crawford <mdcrawford@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Wed, 21 Oct 2009 20:30:40 -0700
On Wed, Oct 21, 2009 at 7:20 PM, Michael Zucchi <notzed@xxxxxxxxx> wrote:
> 2009/10/18 Michael Crawford <mdcrawford@xxxxxxxxx>:
>> Does Haiku even provide the sbrk system call?
>
> Yes it's there, but it doesn't implement sbrk(0) -> return highest
> valid address. Since emacs (and I presume pretty well anything that
> would probably ever want to use sbrk()) relies on this, it isn't
> useful.
Maybe one could emulate this behavior by creating a MySbrk function
that advances the break some large distance, and returns that. One
could then put the following line in a header somewhere:
#define sbrk( x ) MySbrk( x )
Hope That Helps,
Mike
--
Michael David Crawford
mdcrawford at gmail dot com
GoingWare's Bag of Programming Tricks
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