maint: remove unused file: lib/fdopendir-glibc.c

* lib/fdopendir-glibc.c: Remove unused file.

2009-09-05  Jim Meyering  <meyering@redhat.com>

diff --git a/lib/fdopendir-glibc.c b/lib/fdopendir-glibc.c
deleted file mode 100644 (file)
index 1e6a460..0000000
--- a/lib/fdopendir-glibc.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* fdopendir implementation derived from glibc.
-
-   Copyright (C) 2006, 2009 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/>.  */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdbool.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#if _LIBC
-# include <dirstream.h>
-# include <not-cancel.h>
-
-#else
-
-# if __GNUC__ < 3
-#  define __builtin_expect(expr, expected_val) expr
-# endif
-
-# include "openat.h"
-# define stat64 stat
-# define dirent64 dirent
-# define __fxstat64(V, fd, sb) fstat(fd, sb)
-# define __fcntl fcntl
-# define __set_errno(Val) do { errno = (Val); } while (0)
-# define __libc_lock_init(NAME) ((NAME) = 0, 0)
-# define close_not_cancel_no_status(fd) close (fd)
-# ifdef __i386__
-#  define internal_function __attribute ((regparm (3), stdcall))
-# else
-#  define internal_function
-# endif
-
-struct __dirstream
-  {
-    int fd;                    /* File descriptor.  */
-
-    char *data;                        /* Directory block.  */
-    size_t allocation;         /* Space allocated for the block.  */
-    size_t size;               /* Total valid data in the block.  */
-    size_t offset;             /* Current offset into the block.  */
-
-    off_t filepos;             /* Position of next entry to read.  */
-    int lock;
-  };
-#endif
-
-#undef _STATBUF_ST_BLKSIZE
-
-static DIR *
-internal_function
-__alloc_dir (int fd, bool close_fd)
-{
-  if (__builtin_expect (__fcntl (fd, F_SETFD, FD_CLOEXEC), 0) < 0)
-    goto lose;
-
-  size_t allocation;
-#ifdef _STATBUF_ST_BLKSIZE
-  if (__builtin_expect ((size_t) statp->st_blksize >= sizeof (struct dirent64),
-                        1))
-    allocation = statp->st_blksize;
-  else
-#endif
-    allocation = (BUFSIZ < sizeof (struct dirent64)
-                  ? sizeof (struct dirent64) : BUFSIZ);
-
-  const int pad = -sizeof (DIR) % __alignof__ (struct dirent64);
-
-  DIR *dirp = (DIR *) malloc (sizeof (DIR) + allocation + pad);
-  if (dirp == NULL)
-  lose:
-    {
-      if (close_fd)
-        {
-          int save_errno = errno;
-          close_not_cancel_no_status (fd);
-          __set_errno (save_errno);
-        }
-      return NULL;
-    }
-  memset (dirp, '\0', sizeof (DIR));
-  dirp->data = (char *) (dirp + 1) + pad;
-  dirp->allocation = allocation;
-  dirp->fd = fd;
-
-  __libc_lock_init (dirp->lock);
-
-  return dirp;
-}
-
-DIR *
-fdopendir (int fd)
-{
-#if 0
-  struct stat64 statbuf;
-
-  if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
-    return NULL;
-  if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
-    {
-      __set_errno (ENOTDIR);
-      return NULL;
-    }
-  /* Make sure the descriptor allows for reading.  */
-  int flags = __fcntl (fd, F_GETFL);
-  if (__builtin_expect (flags == -1, 0))
-    return NULL;
-  if (__builtin_expect ((flags & O_ACCMODE) == O_WRONLY, 0))
-    {
-      __set_errno (EINVAL);
-      return NULL;
-    }
-#endif
-
-  return __alloc_dir (fd, false);
-}