From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/lib/gnulib/dup-safer.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 grub-core/lib/gnulib/dup-safer.c (limited to 'grub-core/lib/gnulib/dup-safer.c') diff --git a/grub-core/lib/gnulib/dup-safer.c b/grub-core/lib/gnulib/dup-safer.c new file mode 100644 index 0000000..c0c5f2a --- /dev/null +++ b/grub-core/lib/gnulib/dup-safer.c @@ -0,0 +1,34 @@ +/* Invoke dup, but avoid some glitches. + + Copyright (C) 2001, 2004-2006, 2009-2019 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Paul Eggert. */ + +#include + +#include "unistd-safer.h" + +#include +#include + +/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or + STDERR_FILENO. */ + +int +dup_safer (int fd) +{ + return fcntl (fd, F_DUPFD, STDERR_FILENO + 1); +} -- cgit v1.2.3