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From: Michael Snyder <msnyder@vmware.com>
To: Tom Tromey <tromey@redhat.com>
Cc: Tristan Gingold <gingold@adacore.com>,
	 "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>,
	"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: libiberty/cplus-dem.c, ada-demangle: plug memory leak.
Date: Fri, 04 Mar 2011 18:27:00 -0000	[thread overview]
Message-ID: <4D712F12.8050808@vmware.com> (raw)
In-Reply-To: <m3r5amu4tz.fsf@fleche.redhat.com>

Tom Tromey wrote:
>>>>>> "Michael" == Michael Snyder <msnyder@vmware.com> writes:
> 
> Michael> Are you sure?  There is a path to "goto unknown" from before the
> Michael> call to the alloc function.  It might actually be null.  Some
> Michael> versions of 'free' don't like that.
> 
> This isn't an issue with free any more.  Jim Meyering did some research
> into it a while ago and fixed a number of popular free software projects
> to remove the useless test.  Here's a page with some interesting data:
> 
> http://www.winehq.org/pipermail/wine-patches/2006-October/031544.html
> 
> Tom

Thanks for the info.
Checking in without the null pointer test.

How come 'xfree' in gdb/utils.c still checks for null?



  reply	other threads:[~2011-03-04 18:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-03 21:20 Michael Snyder
2011-03-03 21:30 ` Jakub Jelinek
2011-03-03 22:00   ` Michael Snyder
2011-03-04  9:34     ` Tristan Gingold
2011-03-04 18:07       ` Michael Snyder
     [not found]       ` <4D712A5F.1040307__35010.4677411311$1299262072$gmane$org@vmware.com>
2011-03-04 18:19         ` Tom Tromey
2011-03-04 18:27           ` Michael Snyder [this message]
     [not found]           ` <4D712F12.8050808__11842.7885965959$1299263268$gmane$org@vmware.com>
2011-03-04 18:37             ` Tom Tromey
2011-03-04 18:41               ` Jeff Law

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