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Mail Archives: cygwin-apps/2002/03/29/04:44:06

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Date: Fri, 29 Mar 2002 10:41:58 +0100
From: Pavel Tsekov <ptsekov AT syntrex DOT com>
Reply-To: Pavel Tsekov <ptsekov AT syntrex DOT com>
Organization: Syntrex, Inc.
X-Priority: 3 (Normal)
Message-ID: <72314458.20020329104158@syntrex.com>
To: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
CC: cygwin-apps AT cygwin DOT com
Subject: Re[2]: Patch for Setup.exe problem and for mklink2.cc
In-Reply-To: <FC169E059D1A0442A04C40F86D9BA76008ABE7@itdomain003.itdomain.net.au>
References: <FC169E059D1A0442A04C40F86D9BA76008ABE7 AT itdomain003 DOT itdomain DOT net DOT au>
MIME-Version: 1.0

Hello Robert,

Friday, March 29, 2002, 10:25:08 AM, you wrote:

>> > Found the problem causing the segment violation and probably
>> > causing Jonas Eriksson's problem. It is a typical case of 
>> > 'off by 1'. In PickView::set_headers the loop filling the 
>> > window header does one iteration too much, resulting in a 
>> > call to DoInsertItem with a NULL string pointer and hence a 
>> > crash following. While debugging this I could not compile the 
>> > new mklink2.cc ( the
>> > c++ version of the original mklink2.c). It seems three & (address of
>> > c++ operator)
>> > have disappeared in the transition. Putting them back made
>> > the compiler happy. Is this OK Robert ?
>> 
>> I'll check the off-by-one fix in tomorrow, as I'm off to bed now. 

RC> Actually, this is not an off-by-one error. It's an invalid data error -
RC> the loop is meant to go from 0 to == last_col, where last col is meant
RC> to be equal to the greatest column number. The first set of column
RC> details had last_col set incorrectly.

Btw I don't think my question is related to this is issue but still...
I notice there is a dummy column in the list view after the "Package"
column - is this a feature ? If so what is its purpose ?

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