Imported Upstream version 1.23

[tar] / lib / at-func.c

diff --git a/lib/at-func.c b/lib/at-func.c
deleted file mode 100644 (file)
index c7963fe..0000000
--- a/lib/at-func.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Define an at-style functions like fstatat, unlinkat, fchownat, etc.
-   Copyright (C) 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 */
-
-#define CALL_FUNC(F)                           \
-  (AT_FUNC_USE_F1_COND                         \
-    ? AT_FUNC_F1 (F AT_FUNC_POST_FILE_ARGS)    \
-    : AT_FUNC_F2 (F AT_FUNC_POST_FILE_ARGS))
-
-/* Call AT_FUNC_F1 or AT_FUNC_F2 (testing AT_FUNC_USE_F1_COND to
-   determine which) to operate on FILE, which is in the directory
-   open on descriptor FD.  If possible, do it without changing the
-   working directory.  Otherwise, resort to using save_cwd/fchdir,
-   then AT_FUNC_F?/restore_cwd.  If either the save_cwd or the restore_cwd
-   fails, then give a diagnostic and exit nonzero.  */
-int
-AT_FUNC_NAME (int fd, char const *file AT_FUNC_POST_FILE_PARAM_DECLS)
-{
-  struct saved_cwd saved_cwd;
-  int saved_errno;
-  int err;
-
-  if (fd == AT_FDCWD || IS_ABSOLUTE_FILE_NAME (file))
-    return CALL_FUNC (file);
-
-  {
-    char buf[OPENAT_BUFFER_SIZE];
-    char *proc_file = openat_proc_name (buf, fd, file);
-    if (proc_file)
-      {
-       int proc_result = CALL_FUNC (proc_file);
-       int proc_errno = errno;
-       if (proc_file != buf)
-         free (proc_file);
-       /* If the syscall succeeds, or if it fails with an unexpected
-          errno value, then return right away.  Otherwise, fall through
-          and resort to using save_cwd/restore_cwd.  */
-       if (0 <= proc_result)
-         return proc_result;
-       if (! EXPECTED_ERRNO (proc_errno))
-         {
-           errno = proc_errno;
-           return proc_result;
-         }
-      }
-  }
-
-  if (save_cwd (&saved_cwd) != 0)
-    openat_save_fail (errno);
-
-  if (fchdir (fd) != 0)
-    {
-      saved_errno = errno;
-      free_cwd (&saved_cwd);
-      errno = saved_errno;
-      return -1;
-    }
-
-  err = CALL_FUNC (file);
-  saved_errno = (err < 0 ? errno : 0);
-
-  if (restore_cwd (&saved_cwd) != 0)
-    openat_restore_fail (errno);
-
-  free_cwd (&saved_cwd);
-
-  if (saved_errno)
-    errno = saved_errno;
-  return err;
-}
-#undef CALL_FUNC