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From: Christopher Faylor <cgf AT cygnus DOT com>
Message-ID: <19990220134012.A2877@cygnus.com>
Date: Sat, 20 Feb 1999 13:40:12 -0500
To: Murli Ganeshan <murli AT juno DOT com>, cygwin AT sourceware DOT cygnus DOT com
Subject: Re: runtime STATUS ACCESS VIOLATIONS
References: <19990221 DOT 123247 DOT -193569 DOT 1 DOT murli AT juno DOT com>
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In-Reply-To: <19990221.123247.-193569.1.murli@juno.com>; from Murli Ganeshan on Sun, Feb 21, 1999 at 12:32:36PM -0600

On Sun, Feb 21, 1999 at 12:32:36PM -0600, Murli Ganeshan wrote:
>I have a simple c++ program that generates ACCESS VIOLATIONS at
>runtime. The same code does not generate any runtime errors while
>running the executable generated from djgpp on the same machine. Also,
>there are no runtime errors when compiled on a Linux 2.0.36 box or a
>SUNos 4.1.4 box.
>
>I saw some old postings related to ACCESS VIOLATIONS with malloc and
>the solution was to replace that with mmalloc. Is there a similar one
>for the "new" dynamic memory allocator in c++ that I can use?
>
>Here's a command line snippet.  I would appreciate any
>feedback/suggestions to debug the problem.

Here's some feedback:  Use gdb to debug the problem.  The information
below doesn't provide any information about where the program is dying.
gdb will give you that information.

99.9% of the time this will be due to some kind of programming error
in your code, just like on UNIX.

>
>bash.exe-2.02$ g++ list2.cpp listex2.cxx -o exam
>bash.exe-2.02$ exam
>[main] C:\MSDEV\PROJECTS\HMWK3\EXAM.EXE 1011 (0) handle_exceptions:
>Exception: STATUS_ACCESS_VIOLATION
>[main] EXAM 1011 (0) handle_exceptions: Dumping stack trace to
>EXAM.EXE.core

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