From a281decc878cf26cae12a5bdf5f4c6e0297303d6 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@hack.frob.com>
Date: Tue, 7 Aug 2012 14:47:34 -0700
Subject: Move common dirent implementation from sysdeps/unix to sysdeps/posix.

---
 sysdeps/unix/readdir.c | 122 -------------------------------------------------
 1 file changed, 122 deletions(-)
 delete mode 100644 sysdeps/unix/readdir.c

(limited to 'sysdeps/unix/readdir.c')

diff --git a/sysdeps/unix/readdir.c b/sysdeps/unix/readdir.c
deleted file mode 100644
index be0fcae..0000000
--- a/sysdeps/unix/readdir.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/* Copyright (C) 1991-1997,1999,2000,2002,2007 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library 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 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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 the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <limits.h>
-#include <stddef.h>
-#include <string.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <assert.h>
-
-#include <dirstream.h>
-
-#ifndef __READDIR
-# define __READDIR __readdir
-# define __GETDENTS __getdents
-# define DIRENT_TYPE struct dirent
-# define __READDIR_ALIAS
-#endif
-
-/* Read a directory entry from DIRP.  */
-DIRENT_TYPE *
-__READDIR (DIR *dirp)
-{
-  DIRENT_TYPE *dp;
-  int saved_errno = errno;
-
-#ifndef NOT_IN_libc
-  __libc_lock_lock (dirp->lock);
-#endif
-
-  do
-    {
-      size_t reclen;
-
-      if (dirp->offset >= dirp->size)
-	{
-	  /* We've emptied out our buffer.  Refill it.  */
-
-	  size_t maxread;
-	  ssize_t bytes;
-
-#ifndef _DIRENT_HAVE_D_RECLEN
-	  /* Fixed-size struct; must read one at a time (see below).  */
-	  maxread = sizeof *dp;
-#else
-	  maxread = dirp->allocation;
-#endif
-
-	  bytes = __GETDENTS (dirp->fd, dirp->data, maxread);
-	  if (bytes <= 0)
-	    {
-	      /* On some systems getdents fails with ENOENT when the
-		 open directory has been rmdir'd already.  POSIX.1
-		 requires that we treat this condition like normal EOF.  */
-	      if (bytes < 0 && errno == ENOENT)
-		bytes = 0;
-
-	      /* Don't modifiy errno when reaching EOF.  */
-	      if (bytes == 0)
-		__set_errno (saved_errno);
-	      dp = NULL;
-	      break;
-	    }
-	  dirp->size = (size_t) bytes;
-
-	  /* Reset the offset into the buffer.  */
-	  dirp->offset = 0;
-	}
-
-      dp = (DIRENT_TYPE *) &dirp->data[dirp->offset];
-
-#ifdef _DIRENT_HAVE_D_RECLEN
-      reclen = dp->d_reclen;
-#else
-      /* The only version of `struct dirent*' that lacks `d_reclen'
-	 is fixed-size.  */
-      assert (sizeof dp->d_name > 1);
-      reclen = sizeof *dp;
-      /* The name is not terminated if it is the largest possible size.
-	 Clobber the following byte to ensure proper null termination.  We
-	 read jst one entry at a time above so we know that byte will not
-	 be used later.  */
-      dp->d_name[sizeof dp->d_name] = '\0';
-#endif
-
-      dirp->offset += reclen;
-
-#ifdef _DIRENT_HAVE_D_OFF
-      dirp->filepos = dp->d_off;
-#else
-      dirp->filepos += reclen;
-#endif
-
-      /* Skip deleted files.  */
-    } while (dp->d_ino == 0);
-
-#ifndef NOT_IN_libc
-  __libc_lock_unlock (dirp->lock);
-#endif
-
-  return dp;
-}
-
-#ifdef __READDIR_ALIAS
-weak_alias (__readdir, readdir)
-#endif
-- 
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