diff options
Diffstat (limited to 'gl/pipe-safer.c')
-rw-r--r-- | gl/pipe-safer.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/gl/pipe-safer.c b/gl/pipe-safer.c deleted file mode 100644 index ae9f2e3e..00000000 --- a/gl/pipe-safer.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Invoke pipe, but avoid some glitches. - Copyright (C) 2005-2006, 2009-2010 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 Jim Meyering. */ - -#include <config.h> - -#include "unistd-safer.h" - -#include <unistd.h> -#include <errno.h> - -/* Like pipe, but ensure that neither of the file descriptors is - STDIN_FILENO, STDOUT_FILENO, or STDERR_FILENO. Fail with ENOSYS on - platforms that lack pipe. */ - -int -pipe_safer (int fd[2]) -{ -#if HAVE_PIPE - if (pipe (fd) == 0) - { - int i; - for (i = 0; i < 2; i++) - { - fd[i] = fd_safer (fd[i]); - if (fd[i] < 0) - { - int e = errno; - close (fd[1 - i]); - errno = e; - return -1; - } - } - - return 0; - } -#else - errno = ENOSYS; -#endif - - return -1; -} |