delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2006/03/15/15:44:07

X-Spam-Check-By: sourceware.org
Date: Wed, 15 Mar 2006 15:43:57 -0500
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Memory leak in vsnprintf
Message-ID: <20060315204357.GA5440@trixie.casa.cgf.cx>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <44187B91 DOT 3070801 AT usa DOT net>
Mime-Version: 1.0
In-Reply-To: <44187B91.3070801@usa.net>
User-Agent: Mutt/1.5.11
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
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

On Wed, Mar 15, 2006 at 02:39:45PM -0600, Paul Mattes wrote:
>I believe I have found a memory leak in the Cygwin version of 
>vsnprintf().  If it is called with a NULL 'str' parameter and a 0 
>'length', it leaks a BUFSIZ-sized buffer.  (Per C99 and SUSv3, calling 
>vsnprintf() with a NULL 'str' and 0 'length' is a way to find out how 
>big the formatted string would be without actually storing it anywhere.)
>
>I see that Cygwin's vsnprintf() comes from newlib.  Should I report this 
>to them instead?

Yes.

cgf

--
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/

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019