Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Message-ID: <41BA26A1.9060007@kleckner.net>
Date: Fri, 10 Dec 2004 14:43:45 -0800
From: Jim Kleckner <jek-cygwin1 AT kleckner DOT net>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040616
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: cygwin-gcc-fopen bug? (Purify, valgrind)
References: <NUTMEG4aJ6pkNzPZrIk00000639 AT NUTMEG DOT CAM DOT ARTIMI DOT COM> <41BA0803 DOT 10103 AT kleckner DOT net>
In-Reply-To: <41BA0803.10103@kleckner.net>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes

Jim Kleckner wrote:

> Dave Korn wrote: 
...
>>   Maybe we should try and port the free open-source equivalent valgrind
>> (http://valgrind.kde.org/) instead?  I haven't ever looked at this, 
>> but it ought
>> to be possible.  I note that you can use (a special variant version 
>> of) valgrind
>> to verify win32 apps running on WINE.  So I guess there's a 
>> long-way-round to do
>> that already....
> 
> 
> Interesting tool and it looks promising.
...
> Without careful feature comparison, I can't be
> sure, but I'll bet there are significant checks
> that Purify does (if OCI is enabled) that Valgrind
> does not do.

FWIW, these folks have done a detailed comparison:
http://tinyurl.com/4un5g
http://www.cs.wm.edu/~coppit/csci780-fall2003/final-papers/hewett-dipalma.pdf

Valgrind does indeed look competitive, although
the authors weren't too explicit about what
types of errors were found by one and not
the other.

Now, I wonder how hard it is to port...

Jim

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/