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Date: Thu, 20 Jan 2000 07:05:17 -0500 (EST)
From: Omachonu Ogali <oogali@intranova.net>
To: Suresh Kumar Satapati <sks1974@cs.tamu.edu>
Cc: freebsd-questions@freebsd.org
Subject: Re: C question
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Error check the call:

if (write(socketfd, &rtmsg, len) < len) {
	perror("write()");
	return -1;
}

Omachonu Ogali
Intranova Networking Group

On Wed, 19 Jan 2000, Suresh Kumar Satapati wrote:

> I have a C question.
> I have a routing message structure .. 
>         static struct srtmsg {...}rtmsg;
> declared as above. Now i have to write a portion of this structure to a 
> routing socket (PF_ROUTE) using a 'write' call.
> My call looks as below:
> 
>    write(socketfd, (char*)&rtmsg, len)
>   
>   where 'len' is a valid integer. The value of 'len' is less than 
>  sizeof(struct srtmsg). This call fails and gives a Page Fault.
> 
> Please let me know if there is a better way to do this.
> 
> 
> 
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