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[bug-diffutils] bug#33965: bug#33965: handling of closed file descriptor

From: Jim Meyering
Subject: [bug-diffutils] bug#33965: bug#33965: handling of closed file descriptors
Date: Thu, 3 Jan 2019 22:15:19 -0800

On Thu, Jan 3, 2019 at 11:43 AM Bruno Haible <address@hidden> wrote:
> There is a problem with the handling of closed file descriptors
> in diff-3.7: As mentioned in [1], the 'new-file' test fails on HP-UX.
> An investigation [2] shows that different coding techniques are needed,
> depending on the desired outcome for closed file descriptors.
> This patch uses a variant of (A) from [2]. Namely, the result of fcntl
> can apparently be used to distinguish the substitute file descriptor
> stuffed in by exec() from a regular open("/dev/null",O_RDONLY).
> [1] https://lists.gnu.org/archive/html/diffutils-devel/2018-12/msg00019.html
> [2] https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00012.html

Thank you. I have just pushed that with one tweak to the log message:
s/parent parent/parent/.

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