lib/util/idtree_random.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    very efficient functions to manage mapping a id (such as a fnum) to
   5    a pointer. This is used for fnum and search id allocation.
   6
   7    Copyright (C) Andrew Tridgell 2004
   8
   9    This code is derived from lib/idr.c in the 2.6 Linux kernel, which was
  10    written by Jim Houston jim.houston@ccur.com, and is
  11    Copyright (C) 2002 by Concurrent Computer Corporation
  12
  13    This program is free software; you can redistribute it and/or modify
  14    it under the terms of the GNU General Public License as published by
  15    the Free Software Foundation; either version 2 of the License, or
  16    (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25 */
  26
  27 #ifndef _SAMBA_IDTREE_RANDOM_H_
  28 #define _SAMBA_IDTREE_RANDOM_H_
  29
  30 #include <talloc.h>
  31 #include "idtree.h"
  32
  33 /**
  34   allocate a new id randomly in the given range
  35 */
  36 int idr_get_new_random(struct idr_context *idp, void *ptr, int limit);
  37
  38 #endif /* _SAMBA_IDTREE_RANDOM_H_ */