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-rw-r--r--lib/fd-safer.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/lib/fd-safer.c b/lib/fd-safer.c
deleted file mode 100644
index 5933bcbd1..000000000
--- a/lib/fd-safer.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* Return a safer copy of a file descriptor.
-
- Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-/* Written by Paul Eggert. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "unistd-safer.h"
-
-#include <errno.h>
-
-#include <unistd.h>
-#ifndef STDIN_FILENO
-# define STDIN_FILENO 0
-#endif
-#ifndef STDERR_FILENO
-# define STDERR_FILENO 2
-#endif
-
-/* Return FD, unless FD would be a copy of standard input, output, or
- error; in that case, return a duplicate of FD, closing FD. On
- failure to duplicate, close FD, set errno, and return -1. Preserve
- errno if FD is negative, so that the caller can always inspect
- errno when the returned value is negative.
-
- This function is usefully wrapped around functions that return file
- descriptors, e.g., fd_safer (open ("file", O_RDONLY)). */
-
-int
-fd_safer (int fd)
-{
- if (STDIN_FILENO <= fd && fd <= STDERR_FILENO)
- {
- int f = dup_safer (fd);
- int e = errno;
- close (fd);
- errno = e;
- fd = f;
- }
-
- return fd;
-}