1 files changed, 0 insertions, 97 deletions
diff --git a/lib/dup2.c b/lib/dup2.c
deleted file mode 100644
index a7d3cfd7..00000000
--- a/lib/dup2.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/* Duplicate an open file descriptor to a specified file descriptor.
-
-   Copyright (C) 1999, 2004, 2005, 2006, 2007, 2009 Free Software
-   Foundation, Inc.
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* written by Paul Eggert */
-
-#include <config.h>
-
-/* Specification.  */
-#include <unistd.h>
-
-#include <errno.h>
-#include <fcntl.h>
-
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-/* Get declarations of the Win32 API functions.  */
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-#endif
-
-#if REPLACE_DUP2
-
-# undef dup2
-
-int
-rpl_dup2 (int fd, int desired_fd)
-{
-  int result;
-# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-  /* If fd is closed, mingw hangs on dup2 (fd, fd).  If fd is open,
-     dup2 (fd, fd) returns 0, but all further attempts to use fd in
-     future dup2 calls will hang.  */
-  if (fd == desired_fd)
-    {
-      if ((HANDLE) _get_osfhandle (fd) == INVALID_HANDLE_VALUE)
-        {
-          errno = EBADF;
-          return -1;
-        }
-      return fd;
-    }
-# endif
-  result = dup2 (fd, desired_fd);
-  if (result == 0)
-    result = desired_fd;
-  return result;
-}
-
-#else /* !REPLACE_DUP2 */
-
-/* On older platforms, dup2 did not exist.  */
-
-# ifndef F_DUPFD
-static int
-dupfd (int fd, int desired_fd)
-{
-  int duplicated_fd = dup (fd);
-  if (duplicated_fd < 0 || duplicated_fd == desired_fd)
-    return duplicated_fd;
-  else
-    {
-      int r = dupfd (fd, desired_fd);
-      int e = errno;
-      close (duplicated_fd);
-      errno = e;
-      return r;
-    }
-}
-# endif
-
-int
-dup2 (int fd, int desired_fd)
-{
-  if (fd == desired_fd)
-    return fd;
-  close (desired_fd);
-# ifdef F_DUPFD
-  return fcntl (fd, F_DUPFD, desired_fd);
-# else
-  return dupfd (fd, desired_fd);
-# endif
-}
-#endif /* !REPLACE_DUP2 */