Sync with the latest Gnulib code (6f2d632)

1 files changed, 0 insertions, 128 deletions

diff --git a/gl/dup2.c b/gl/dup2.c
deleted file mode 100644
index a4422bf3..00000000
--- a/gl/dup2.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* Duplicate an open file descriptor to a specified file descriptor.
-
-   Copyright (C) 1999, 2004-2007, 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 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 HAVE_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;
-    }
-  /* Wine 1.0.1 return 0 when desired_fd is negative but not -1:
-     http://bugs.winehq.org/show_bug.cgi?id=21289 */
-  if (desired_fd < 0)
-    {
-      errno = EBADF;
-      return -1;
-    }
-# endif
-  result = dup2 (fd, desired_fd);
-# ifdef __linux__
-  /* Correct a Linux return value.
-     <http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git;a=commitdiff;h=2b79bc4f7ebbd5af3c8b867968f9f15602d5f802>
-   */
-  if (fd == desired_fd && result == (unsigned int) -EBADF)
-    {
-      errno = EBADF;
-      result = -1;
-    }
-# endif
-  if (result == 0)
-    result = desired_fd;
-  /* Correct a cygwin 1.5.x errno value.  */
-  else if (result == -1 && errno == EMFILE)
-    errno = EBADF;
-# if REPLACE_FCHDIR
-  if (fd != desired_fd && result != -1)
-    result = _gl_register_dup (fd, result);
-# endif
-  return result;
-}
-
-#else /* !HAVE_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)
-{
-  int result = fcntl (fd, F_GETFL) < 0 ? -1 : fd;
-  if (result == -1 || fd == desired_fd)
-    return result;
-  close (desired_fd);
-# ifdef F_DUPFD
-  result = fcntl (fd, F_DUPFD, desired_fd);
-#  if REPLACE_FCHDIR
-  if (0 <= result)
-    result = _gl_register_dup (fd, result);
-#  endif
-# else
-  result = dupfd (fd, desired_fd);
-# endif
-  if (result == -1 && (errno == EMFILE || errno == EINVAL))
-    errno = EBADF;
-  return result;
-}
-#endif /* !HAVE_DUP2 */