Fix invalid escape sequence in build-many-glibcs.py
[glibc.git] / support / xdup2.c
blob8f843cb2d85d33b1ebf1cbb2d37736e6da3b4958
1 /* dup2 with error checking.
2 Copyright (C) 2017-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <support/xunistd.h>
21 #include <support/check.h>
23 void
24 xdup2 (int from, int to)
26 if (dup2 (from, to) < 0)
27 FAIL_EXIT1 ("dup2 (%d, %d): %m", from, to);