Imported Upstream version 1.23

[tar] / lib / pipe-safer.c

diff --git a/lib/pipe-safer.c b/lib/pipe-safer.c
deleted file mode 100644 (file)
index 0fc6850..0000000
--- a/lib/pipe-safer.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Invoke pipe, but avoid some glitches.
-   Copyright (C) 2005, 2006 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;
-}