diff options
Diffstat (limited to 'lib/pipe2-safer.c')
-rw-r--r-- | lib/pipe2-safer.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/lib/pipe2-safer.c b/lib/pipe2-safer.c deleted file mode 100644 index e831d0c6..00000000 --- a/lib/pipe2-safer.c +++ /dev/null @@ -1,52 +0,0 @@ -/* Invoke pipe2, but avoid some glitches. - Copyright (C) 2005-2006, 2009-2013 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 <http://www.gnu.org/licenses/>. */ - -/* Written by Eric Blake. */ - -#include <config.h> - -/* Specification. */ -#include "unistd-safer.h" - -#include <unistd.h> -#include <errno.h> - -/* Like pipe2, but ensure that neither of the file descriptors is - STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. */ - -int -pipe2_safer (int fd[2], int flags) -{ - /* This is a generalization of the pipe_safer implementation. */ - if (pipe2 (fd, flags) == 0) - { - int i; - for (i = 0; i < 2; i++) - { - fd[i] = fd_safer_flag (fd[i], flags); - if (fd[i] < 0) - { - int e = errno; - close (fd[1 - i]); - errno = e; - return -1; - } - } - - return 0; - } - return -1; -} |