Wait, that's not going to do anything, the errno is set inside the
_thread_sys_read().  But I agree with Andrew, why bother to check
errno if read() returns no error.

On Fri, 23 Jun 2000, Bohne, Peter wrote:

> This means that *you* should set errno to 0 just before you do the read
> call.  At this point, you no longer care what it had been before.
> --
> pete
> 
> ====== pbohne at hboc dot com
> Peter Bohne -- McKessonHBOC -- Louisville, CO
> Work: 303-926-2218 -- Cell: 303-817-8312 -- Home Ofc: 970-586-9031
> ====== "Very funny, Scottie.  Now beam down my clothes!"
> 
> 
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, June 23, 2000 3:02 AM
> > To: FengYue
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: libc_r/_read(), should the errno be reset to 0?
> > 
> > 
> > 
> > 
> > On Fri, 23 Jun 2000, FengYue wrote:
> > 
> > > My question is, shouldn't it be reset to zero?
> > 
> > From intro(2):
> > 
> > Successful calls never set errno; once set, it remains until 
> > another error
> > occurs.  It should only be examined after an error.
> > 
> > Andrew
> > 
> > 
> > 
> > To Unsubscribe: send mail to [EMAIL PROTECTED]
> > with "unsubscribe freebsd-hackers" in the body of the message
> > 



To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message

Reply via email to