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From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: Re: Removing sbrk and brk
Date: Fri, 21 Feb 2014 17:36:40 +0100	[thread overview]
Message-ID: <20140221163639.GP23551@port70.net> (raw)
In-Reply-To: <CAPLrYEQ-McrP2USf46QzthwLq2oFa9yUURa+tv82PkrQ=jVG=g@mail.gmail.com>

* Daniel Cegie?ka <daniel.cegielka@gmail.com> [2014-02-21 17:03:36 +0100]:
> And what do we do with failures when sbrk is used?
> 

most of these only call sbrk(0) which is supported

> # grep -r sbrk /usr/bin/
> Binary file /usr/bin/readelf matches
> Binary file /usr/bin/as matches
> Binary file /usr/bin/addr2line matches
> Binary file /usr/bin/c++filt matches
> Binary file /usr/bin/ld matches
> Binary file /usr/bin/objdump matches
> Binary file /usr/bin/size matches
> Binary file /usr/bin/ar matches
> Binary file /usr/bin/objcopy matches
> Binary file /usr/bin/elfedit matches
> Binary file /usr/bin/strings matches
> Binary file /usr/bin/ld.bfd matches
> Binary file /usr/bin/strip matches
> Binary file /usr/bin/gdb matches
> Binary file /usr/bin/nm matches
> Binary file /usr/bin/ranlib matches
> 

> eg ex/vi doesn't work with new musl (git) - sbrk is used internally:
> 
> http://ex-vi.cvs.sourceforge.net/viewvc/ex-vi/ex-vi/ex_subr.c?revision=1.8&view=markup
> 

the "old musl" did not support sbrk either (the cited code uses it
with malloc), the "new musl" just helps you find the bug more easily


  reply	other threads:[~2014-02-21 16:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-21 23:40 Rich Felker
2013-12-22  2:15 ` Luca Barbato
2013-12-22 17:58   ` Richard Pennington
2013-12-22 18:21     ` Luca Barbato
2013-12-22 18:48 ` Szabolcs Nagy
2013-12-22 21:55   ` Christian Neukirchen
2013-12-23  4:46   ` Rich Felker
2014-01-02 22:03     ` Rich Felker
2014-01-03 11:51       ` Thorsten Glaser
2014-01-03 12:59         ` Daniel Cegiełka
2014-01-03 17:33         ` Rich Felker
2014-01-03 18:19           ` Rich Felker
2014-01-03 19:03             ` Rich Felker
2014-01-06 14:51               ` Thorsten Glaser
2014-01-06 22:40                 ` Rich Felker
2014-01-07  9:43                   ` Thorsten Glaser
2014-01-07 16:06                     ` Rich Felker
2014-01-07 22:00                       ` Rich Felker
2014-02-21 16:03                         ` Daniel Cegiełka
2014-02-21 16:36                           ` Szabolcs Nagy [this message]
2014-02-21 16:47                             ` Daniel Cegiełka
2014-02-21 17:09                               ` Rich Felker
2014-02-21 22:34                                 ` Daniel Cegiełka

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