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bug#8961: stdbuf has no effect on some programs

From: Eric Blake
Subject: bug#8961: stdbuf has no effect on some programs
Date: Tue, 05 Jul 2011 09:41:35 -0600
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On 07/04/2011 03:08 AM, Pádraig Brady wrote:
> But I notice that sed no longer supports `setbuf -i0`.
> This is because of 3a8e165a which discards the
> original stdin and instead fdopens() a new one
> to support reading in binary mode on windos.
> http://git.sv.gnu.org/gitweb/?p=sed.git;a=commit;h=3a8e165a

This seems to point to the fact that using freopen() to force binary
mode on stdin is the wrong approach, and that we may be better served by
using lower-level idioms that change the binary mode of the underlying
file descriptor without also altering stdin with unintended side-effects.

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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