tests/helpers/c/prng.h

   1 /*
   2  * Very simple prng to allow for randomized tests with reproducable
   3  * results.
   4  *
   5  * Copyright (C) 2012 by Open Source Routing.
   6  * Copyright (C) 2012 by Internet Systems Consortium, Inc. ("ISC")
   7  *
   8  * This file is part of Quagga
   9  *
  10  * Quagga is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU General Public License as published by the
  12  * Free Software Foundation; either version 2, or (at your option) any
  13  * later version.
  14  *
  15  * Quagga is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; see the file COPYING; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  23  */
  24 #ifndef _PRNG_H
  25 #define _PRNG_H
  26
  27 struct prng;
  28
  29 struct prng *prng_new(unsigned long long seed);
  30 int prng_rand(struct prng *);
  31 const char *prng_fuzz(struct prng *, const char *string, const char *charset,
  32                       unsigned int operations);
  33 void prng_free(struct prng *);
  34
  35 #endif