Subject: Re: recvfrom bug
From: "Dr. M. C. Nelson" <[email-masked]>
To: "Thomas Pfaff" <[email-masked]>
Cc: <[email-masked]>
Date: Thu, 14 Nov 2002 11:14:00 -0500

Thank you.  I will try that.

----- Original Message -----
From: "Thomas Pfaff" <[email-masked]>
To: <[email-masked]>
Cc: <[email-masked]>
Sent: Thursday, November 14, 2002 7:28 AM
Subject: Re: recvfrom bug

> Dr. M. C. Nelson wrote:
> > Dear mailing list:
> >
> > The following code works well on a Linux platform,
> >
> >    int sockfd;
> >   char buf[1024];
> >   struct sockaddr fromaddr;
> >   int fromlen;
> >
> >  if ( (retv = recvfrom( sockfd, buf, sizeof(buf), 0,
&fromaddr,&fromlen )) <
> > 0 )
> >     {
> >       perror( "udpclient: recvfrom" );
> >     }
> >
> > However, in cygwin the following error message is produced:
> >
> >       udpclient: recvfrom: Bad address
> >
> > Can anyone tell me how to get pas this problem?
>
> You must initialize fromlen with sizeof(fromaddr) prior to recvfrom.
>
> int fromlen = sizeof(fromaddr).
>
> Thomas
>
>
>

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