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Date: Thu, 14 Nov 2002 11:57:57 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: recvfrom bug
Message-ID: <20021114165757.GA1550@redhat.com>
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References: <002001c28b93$f5bb6e70$0164a8c0 AT PROJECTTECHNOLOGY1> <3DD396F9 DOT 5000905 AT gmx DOT net>
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On Thu, Nov 14, 2002 at 01:28:41PM +0100, Thomas Pfaff wrote:
>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).

Doh!  Nice catch, Thomas.

cgf

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