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Re: full_read depends on incoming errno
From: |
Eli Zaretskii |
Subject: |
Re: full_read depends on incoming errno |
Date: |
Thu, 21 Feb 2013 19:50:17 +0200 |
> Date: Thu, 21 Feb 2013 09:39:50 -0800
> From: Paul Eggert <address@hidden>
> CC: Andy Wingo <address@hidden>, address@hidden, address@hidden
>
> On 02/21/13 09:36, Eli Zaretskii wrote:
> >> Otherwise, full_read sets errno to 0 if it returns a length less than
> >> > the length we asked for
> > Where does it do that? I don't think I see this. Maybe I'm blind.
>
> No, it's just hard to see.
>
> It's the line "errno = ZERO_BYTE_TRANSFER_ERRNO;" in full-write.c,
> assuming that the problem is merely an EOF.
Ah, OK, it's because of the loop in full_rw, which will try reading
again after returning too few bytes. Makes sense.
- Re: full_read depends on incoming errno, (continued)
- Re: full_read depends on incoming errno, Andy Wingo, 2013/02/19
- Re: full_read depends on incoming errno, Eli Zaretskii, 2013/02/20
- Re: full_read depends on incoming errno, Andy Wingo, 2013/02/20
- Re: full_read depends on incoming errno, Eli Zaretskii, 2013/02/20
- Re: full_read depends on incoming errno, Paolo Bonzini, 2013/02/21
- Re: full_read depends on incoming errno, Andy Wingo, 2013/02/21
- Re: full_read depends on incoming errno, Paolo Bonzini, 2013/02/21
- Re: full_read depends on incoming errno, Paul Eggert, 2013/02/21
- Re: full_read depends on incoming errno, Eli Zaretskii, 2013/02/21
- Re: full_read depends on incoming errno, Paul Eggert, 2013/02/21
- Re: full_read depends on incoming errno,
Eli Zaretskii <=