include/vlc_rand.h

   1 /*****************************************************************************
   2  * vlc_rand.h: RNG
   3  *****************************************************************************
   4  * Copyright © 2007 Rémi Denis-Courmont
   5  * $Id$
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  20  *****************************************************************************/
  21
  22 #ifndef VLC_RAND_H
  23 # define VLC_RAND_H
  24
  25 /**
  26  * \file
  27  * This file defined random number generator function in vlc
  28  */
  29
  30 VLC_EXPORT( void, vlc_rand_bytes, (void *buf, size_t len) );
  31
  32 /* Interlocked (but not reproducible) functions for the POSIX PRNG */
  33 VLC_EXPORT( double, vlc_drand48, (void) LIBVLC_USED );
  34 VLC_EXPORT( long, vlc_lrand48, (void) LIBVLC_USED );
  35 VLC_EXPORT( long, vlc_mrand48, (void) LIBVLC_USED );
  36
  37 #endif