X-Spam-Check-By: sourceware.org Message-ID: Date: Mon, 21 Aug 2006 19:09:27 +0100 From: "Mark Fisher" To: cygwin AT cygwin DOT com Subject: Re: problem with malloc/realloc. Pls help. In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , 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 8/21/06, Omololu wrote: > Hi, > i have the following code. it compiles with gcc in Cygwin but the contents of > the array ifitQ that I get after the call to the subroutine readCharges2 is > gibberish. looks like a passing by reference problem. if you add debug to look at the address of ifitQ at all stages, you'll notice that the copy pointer in readCharges2 gets changed, but that isn't the same pointer as in the calling block. see section 2.17 of http://www.lysator.liu.se/c/c-faq/c-2.html i don't understand how linux is getting it right tbh. -- 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/