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Re: [PATCH][BZ #11741] printf should return negative value on I/O error
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Siddhesh Poyarekar <siddhesh at redhat dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Fri, 19 Oct 2012 13:48:20 +0200
- Subject: Re: [PATCH][BZ #11741] printf should return negative value on I/O error
- References: <20121019152056.50cd355f@spoyarek>
Siddhesh Poyarekar <siddhesh@redhat.com> writes:
> diff --git a/libio/iopadn.c b/libio/iopadn.c
> index 7e37450..62fd62c 100644
> --- a/libio/iopadn.c
> +++ b/libio/iopadn.c
> @@ -59,7 +59,7 @@ _IO_padn (fp, pad, count)
> w = _IO_sputn (fp, padptr, PADSIZE);
> written += w;
> if (w != PADSIZE)
> - return written;
> + return w <= 0 ? w :written;
What's the significance of w == 0? sputn should return either the
amount of written bytes or EOF.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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