[Winpcap-users] Access Volidatino while using pcap_findalldevs_ex

Gianluca Varenni gianluca.varenni at cacetech.com
Tue Sep 9 21:44:15 GMT 2008

Does the sample WpdPack\Examples-remote\iflist show the same access 
violation error?

Have a nice day

----- Original Message ----- 
From: "???" <instantsee at gmail.com>
To: <winpcap-users at winpcap.org>
Sent: Tuesday, September 09, 2008 2:37 AM
Subject: [Winpcap-users] Access Volidatino while using pcap_findalldevs_ex

> Hi,
>  I have got a Access Volidation exception while using the 
> pcap_findalldevs_ex.
>  1>I created a vc6 project with the code sample in the winpcap doc.
> Lesson1 "Obtain device list".the complie is ok.but while executing, I
> got a access volidation exception.
>  2>I digged in to the wpcap.dll and it seems that the
> pcap_findalldevs_ex get six parameters with the last one storing some
> message.But inside the routine pcap_findalldevs_ex,there is a call to
> snprint treating the last parameter as the buffer to store some message.so
> I got Access Volidation exception.
> 3>I have not enough experience&knowledge to dig into the source
> code,after I realizing that the source code in the pcap_new.c is totally
> different from wpcap.dll.
> 4>My enviroment:
>     Windows Server 2003 sp2;Visual C++6.0 sp6;winpcap4.0.2;
>     and the vc project package in the attachment.
> 5>sorry for my limited English.^_^
> ---
> thx&regs
> from Yan.
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> Winpcap-users at winpcap.org
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