| /* gmp_randinit (state, algorithm, ...) -- Initialize a random state. |
| |
| Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| |
| This file is part of the GNU MP Library. |
| |
| The GNU MP 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 3 of the License, or (at your |
| option) any later version. |
| |
| The GNU MP 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 MP Library. If not, see http://www.gnu.org/licenses/. */ |
| |
| #include "config.h" |
| |
| #include <stdio.h> /* for NULL */ |
| |
| #if HAVE_STDARG |
| #include <stdarg.h> |
| #else |
| #include <varargs.h> |
| #endif |
| |
| #include "gmp.h" |
| #include "gmp-impl.h" |
| |
| void |
| #if HAVE_STDARG |
| gmp_randinit (gmp_randstate_t rstate, |
| gmp_randalg_t alg, |
| ...) |
| #else |
| gmp_randinit (va_alist) |
| va_dcl |
| #endif |
| { |
| va_list ap; |
| #if HAVE_STDARG |
| va_start (ap, alg); |
| #else |
| __gmp_randstate_struct *rstate; |
| gmp_randalg_t alg; |
| va_start (ap); |
| rstate = va_arg (ap, __gmp_randstate_struct *); |
| alg = va_arg (ap, gmp_randalg_t); |
| #endif |
| |
| switch (alg) { |
| case GMP_RAND_ALG_LC: |
| if (! gmp_randinit_lc_2exp_size (rstate, va_arg (ap, unsigned long))) |
| gmp_errno |= GMP_ERROR_INVALID_ARGUMENT; |
| break; |
| default: |
| gmp_errno |= GMP_ERROR_UNSUPPORTED_ARGUMENT; |
| break; |
| } |
| va_end (ap); |
| } |