1/* gmp_randinit (state, algorithm, ...) -- Initialize a random state. 2 3Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library. 6 7The GNU MP Library is free software; you can redistribute it and/or modify 8it under the terms of the GNU Lesser General Public License as published by 9the Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12The GNU MP Library is distributed in the hope that it will be useful, but 13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15License for more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20#include "config.h" 21 22#include <stdio.h> /* for NULL */ 23 24#if HAVE_STDARG 25#include <stdarg.h> 26#else 27#include <varargs.h> 28#endif 29 30#include "gmp.h" 31#include "gmp-impl.h" 32 33void 34#if HAVE_STDARG 35gmp_randinit (gmp_randstate_t rstate, 36 gmp_randalg_t alg, 37 ...) 38#else 39gmp_randinit (va_alist) 40 va_dcl 41#endif 42{ 43 va_list ap; 44#if HAVE_STDARG 45 va_start (ap, alg); 46#else 47 __gmp_randstate_struct *rstate; 48 gmp_randalg_t alg; 49 va_start (ap); 50 rstate = va_arg (ap, __gmp_randstate_struct *); 51 alg = va_arg (ap, gmp_randalg_t); 52#endif 53 54 switch (alg) { 55 case GMP_RAND_ALG_LC: 56 if (! gmp_randinit_lc_2exp_size (rstate, va_arg (ap, unsigned long))) 57 gmp_errno |= GMP_ERROR_INVALID_ARGUMENT; 58 break; 59 default: 60 gmp_errno |= GMP_ERROR_UNSUPPORTED_ARGUMENT; 61 break; 62 } 63 va_end (ap); 64} 65