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Article #4597

Re: all IP adresses of the local system

#4597
From: Alan Bellingham
Date: Thu, 22 Dec 2005 17:08
29 lines
1834 bytes
"EB" <elias.berelian@snet.net> wrote:

>How do you do this if you don't want to use boost::?
>
>ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);
> boost::scoped_array<char> pAdapterInfo( new char[ulOutBufLen] );

   std::vector<char> pAdapterInfo(ulOutBufLen);

And for passing the address to old API functions:

   char* ptr = &pAdapterInfo[0];

JB's solution should also work, but is overly verbose, overly obscures
the code logic, and is overly fragile in comparison.

>The following doesn't work:
> char *pAdapterInfo( new char[ulOutBufLen] );

In what way doesn't it work? Compile time? Run time? Code review time?
What or who doesn't like it? The BCB5 compiler appears to be perfectly
happy with it, once I replaced the variable with an explicit value.

Oh, and I recommend that you drop the 'ul' wart. Hungarian notation is
really not useful in C++.

Alan Bellingham
-- 
ACCU Conference 2006 - 19-22 April, Randolph Hotel, Oxford, UK
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From: Alan Bellingham <alanb@episys.com>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: all IP adresses of the local system
Date: Thu, 22 Dec 2005 17:08:41 +0000
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