GNU bug report logs - #31332
touch unnecessarily calls dup2

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Message #18 received at 31332 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: John Steele Scott <toojays <at> toojays.net>,
 Assaf Gordon <assafgordon <at> gmail.com>, 31332 <at> debbugs.gnu.org
Subject: Re: bug#31332: touch unnecessarily calls dup2
Date: Mon, 29 Oct 2018 22:38:36 -0700

John Steele Scott wrote:
> Prior tohttp://git.savannah.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=e373bb19  fd_reopen() initially did "close(desired_fd); fd = open(...)" which would always do the right thing

No, as the old code did the wrong thing for "touch /dev/stdin", whereas the 
current code works.

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