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authorJoseph Myers <joseph@codesourcery.com>2013-12-17 18:12:52 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-12-17 18:12:52 +0000
commit2fc6557eb89af08a6ca1129cd3cd9ddc62925e8b (patch)
tree4522428febcd382ff43467f6992b558752a8d7d6 /sysdeps/unix/bsd/telldir.c
parent029c7b2599263f5a59c742f3c4970c5934fa5b96 (diff)
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Remove various unused files from sysdeps/unix/bsd/.
Diffstat (limited to 'sysdeps/unix/bsd/telldir.c')
-rw-r--r--sysdeps/unix/bsd/telldir.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/sysdeps/unix/bsd/telldir.c b/sysdeps/unix/bsd/telldir.c
deleted file mode 100644
index 87e365315f..0000000000
--- a/sysdeps/unix/bsd/telldir.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/* Copyright (C) 1994-2013 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 <stddef.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#include "dirstream.h"
-
-/* Internal data structure for telldir and seekdir.  */
-struct record
-  {
-    struct record *next; /* Link in chain.  */
-    off_t cookie;		/* Value returned by `telldir'.  */
-    off_t pos;
-    size_t offset;
-  };
-#define NBUCKETS 32
-static struct record *records[32];
-static off_t lastpos;
-__libc_lock_define_initialized(static, lock) /* Locks above data.  */
-
-
-/* Return the current position of DIRP.  */
-long int
-telldir (dirp)
-     DIR *dirp;
-{
-  struct record *new;
-  long int pos;
-
-  new = malloc (sizeof *new);
-  if (new == NULL)
-    return -1l;
-
-  __libc_lock_lock (lock);
-
-  new->pos = dirp->filepos;
-  new->offset = dirp->offset;
-  new->cookie = ++lastpos;
-  new->next = records[new->cookie % NBUCKETS];
-  records[new->cookie % NBUCKETS] = new;
-
-  pos = new->cookie;
-
-  __libc_lock_unlock (lock);
-
-  return pos;
-}
-
-
-
-/* Seek to position POS in DIRP.  */
-void
-seekdir (dirp, pos)
-     DIR *dirp;
-     long int pos;
-{
-  struct record *r, **prevr;
-
-  __libc_lock_lock (lock);
-
-  for (prevr = &records[pos % NBUCKETS], r = *prevr;
-       r != NULL;
-       prevr = &r->next, r = r->next)
-    if (r->cookie == pos)
-      {
-	__libc_lock_lock (dirp->__lock);
-	if (dirp->filepos != r->pos || dirp->offset != r->offset)
-	  {
-	    dirp->size = 0;	/* Must read a fresh buffer.  */
-	    /* Move to the saved position.  */
-	    __lseek (dirp->fd, r->pos, SEEK_SET);
-	    dirp->filepos = r->pos;
-	    dirp->offset = 0;
-	    /* Read entries until we reach the saved offset.  */
-	    while (dirp->offset < r->offset)
-	      {
-		struct dirent *scan;
-		__libc_lock_unlock (dirp->__lock);
-		scan = readdir (dirp);
-		__libc_lock_lock (dirp->__lock);
-		if (! scan)
-		  break;
-	      }
-	  }
-	__libc_lock_unlock (dirp->__lock);
-
-	/* To prevent leaking memory, cookies returned from telldir
-	   can only be used once.  So free this one's record now.  */
-	*prevr = r->next;
-	free (r);
-	break;
-      }
-
-  __libc_lock_unlock (lock);
-
-  /* If we lost there is no way to indicate it.  Oh well.  */
-}