[Winpcap-users] error compiling udp = (udp_header*)((u_char*)ip +ip_len);

Ziara . essence_z at hotmail.com
Wed Mar 19 10:50:45 GMT 2008

You are right! sorry, it was a slip-up (I think it say in this way). I think I write upd_header *udp, but now I have checked the code and I have realised my error.

From: gianluca.varenni at cacetech.comTo: winpcap-users at winpcap.orgSubject: Re: [Winpcap-users] error compiling udp = (udp_header*)((u_char*)ip +ip_len); Date: Thu, 13 Mar 2008 15:30:11 -0700

you declared udp in the wrong way. you probably wrote
udp_header udp;
while it should be
udp_header *udp;
BTW, the error message from the compiler tells you what you are doing wrong: you are converting a "udp_header*" (the right side of the assignment) to a "udp_header" type (left hand side of the assignment).

----- Original Message ----- 
From: Ziara . 
To: winpcap 
Sent: Thursday, March 13, 2008 12:00 PM
Subject: [Winpcap-users] error compiling udp = (udp_header*)((u_char*)ip +ip_len); 
Hello, i'm compiling my application in builder c++ v6 and when I add: u_int ip_len = (ip->ver_ihl & 0xf) * 4; //Longitud de Ip headerudp = (udp_header*)((u_char*)ip + ip_len); where ip_header *ip; I have a error in the line number two: cannot convert udp_header*  to udp_header I don't know what happend. Someone know? thanks in advanced

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