Mercurial > gnulib
view lib/dup-safer.c @ 40217:a315d09bcec4
alloca, tsearch-tests: Write NULL for the null pointer.
* lib/alloca.c (i00afunc): Write NULL instead of 0.
* tests/test-tsearch.c (mangle_tree): Likewise.
author | Michal Privoznik <mprivozn@redhat.com> |
---|---|
date | Sun, 03 Mar 2019 19:34:57 +0100 |
parents | b06060465f09 |
children |
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/* 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 <https://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #include <config.h> #include "unistd-safer.h" #include <fcntl.h> #include <unistd.h> /* 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); }