Imported Upstream version 1.5

[debian/gzip] / lib / fstatat.c

diff --git a/lib/fstatat.c b/lib/fstatat.c
deleted file mode 100644 (file)
index bd295b0..0000000
--- a/lib/fstatat.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Work around an fstatat bug on Solaris 9.
-
-   Copyright (C) 2006, 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 and Jim Meyering.  */
-
-#include <config.h>
-
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-
-#if HAVE_FSTATAT
-
-# undef fstatat
-
-/* fstatat should always follow symbolic links that end in /, but on
-   Solaris 9 it doesn't if AT_SYMLINK_NOFOLLOW is specified.
-   Likewise, trailing slash on a non-directory should be an error.
-   These are the same problems that lstat.c and stat.c address, so
-   solve it in a similar way.  */
-
-int
-rpl_fstatat (int fd, char const *file, struct stat *st, int flag)
-{
-  int result = fstatat (fd, file, st, flag);
-  size_t len;
-
-  if (result != 0)
-    return result;
-  len = strlen (file);
-  if (flag & AT_SYMLINK_NOFOLLOW)
-    {
-      /* Fix lstat behavior.  */
-      if (file[len - 1] != '/' || S_ISDIR (st->st_mode))
-        return 0;
-      if (!S_ISLNK (st->st_mode))
-        {
-          errno = ENOTDIR;
-          return -1;
-        }
-      result = fstatat (fd, file, st, flag & ~AT_SYMLINK_NOFOLLOW);
-    }
-  /* Fix stat behavior.  */
-  if (result == 0 && !S_ISDIR (st->st_mode) && file[len - 1] == '/')
-    {
-      errno = ENOTDIR;
-      return -1;
-    }
-  return result;
-}
-
-#else /* !HAVE_FSTATAT */
-
-/* On mingw, the gnulib <sys/stat.h> defines `stat' as a function-like
-   macro; but using it in AT_FUNC_F2 causes compilation failure
-   because the preprocessor sees a use of a macro that requires two
-   arguments but is only given one.  Hence, we need an inline
-   forwarder to get past the preprocessor.  */
-static inline int
-stat_func (char const *name, struct stat *st)
-{
-  return stat (name, st);
-}
-
-/* Likewise, if there is no native `lstat', then the gnulib
-   <sys/stat.h> defined it as stat, which also needs adjustment.  */
-# if !HAVE_LSTAT
-#  undef lstat
-#  define lstat stat_func
-# endif
-
-/* Replacement for Solaris' function by the same name.
-   <http://www.google.com/search?q=fstatat+site:docs.sun.com>
-   First, try to simulate it via l?stat ("/proc/self/fd/FD/FILE").
-   Failing that, simulate it via save_cwd/fchdir/(stat|lstat)/restore_cwd.
-   If either the save_cwd or the restore_cwd fails (relatively unlikely),
-   then give a diagnostic and exit nonzero.
-   Otherwise, this function works just like Solaris' fstatat.  */
-
-# define AT_FUNC_NAME fstatat
-# define AT_FUNC_F1 lstat
-# define AT_FUNC_F2 stat_func
-# define AT_FUNC_USE_F1_COND AT_SYMLINK_NOFOLLOW
-# define AT_FUNC_POST_FILE_PARAM_DECLS , struct stat *st, int flag
-# define AT_FUNC_POST_FILE_ARGS        , st
-# include "at-func.c"
-# undef AT_FUNC_NAME
-# undef AT_FUNC_F1
-# undef AT_FUNC_F2
-# undef AT_FUNC_USE_F1_COND
-# undef AT_FUNC_POST_FILE_PARAM_DECLS
-# undef AT_FUNC_POST_FILE_ARGS
-
-#endif /* !HAVE_FSTATAT */