186d7f5d3SJohn Marino /* gmp_randinit (state, algorithm, ...) -- Initialize a random state.
286d7f5d3SJohn Marino
386d7f5d3SJohn Marino Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
486d7f5d3SJohn Marino
586d7f5d3SJohn Marino This file is part of the GNU MP Library.
686d7f5d3SJohn Marino
786d7f5d3SJohn Marino The GNU MP Library is free software; you can redistribute it and/or modify
886d7f5d3SJohn Marino it under the terms of the GNU Lesser General Public License as published by
986d7f5d3SJohn Marino the Free Software Foundation; either version 3 of the License, or (at your
1086d7f5d3SJohn Marino option) any later version.
1186d7f5d3SJohn Marino
1286d7f5d3SJohn Marino The GNU MP Library is distributed in the hope that it will be useful, but
1386d7f5d3SJohn Marino WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1486d7f5d3SJohn Marino or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
1586d7f5d3SJohn Marino License for more details.
1686d7f5d3SJohn Marino
1786d7f5d3SJohn Marino You should have received a copy of the GNU Lesser General Public License
1886d7f5d3SJohn Marino along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
1986d7f5d3SJohn Marino
2086d7f5d3SJohn Marino #include "config.h"
2186d7f5d3SJohn Marino
2286d7f5d3SJohn Marino #include <stdio.h> /* for NULL */
2386d7f5d3SJohn Marino
2486d7f5d3SJohn Marino #if HAVE_STDARG
2586d7f5d3SJohn Marino #include <stdarg.h>
2686d7f5d3SJohn Marino #else
2786d7f5d3SJohn Marino #include <varargs.h>
2886d7f5d3SJohn Marino #endif
2986d7f5d3SJohn Marino
3086d7f5d3SJohn Marino #include "gmp.h"
3186d7f5d3SJohn Marino #include "gmp-impl.h"
3286d7f5d3SJohn Marino
3386d7f5d3SJohn Marino void
3486d7f5d3SJohn Marino #if HAVE_STDARG
gmp_randinit(gmp_randstate_t rstate,gmp_randalg_t alg,...)3586d7f5d3SJohn Marino gmp_randinit (gmp_randstate_t rstate,
3686d7f5d3SJohn Marino gmp_randalg_t alg,
3786d7f5d3SJohn Marino ...)
3886d7f5d3SJohn Marino #else
3986d7f5d3SJohn Marino gmp_randinit (va_alist)
4086d7f5d3SJohn Marino va_dcl
4186d7f5d3SJohn Marino #endif
4286d7f5d3SJohn Marino {
4386d7f5d3SJohn Marino va_list ap;
4486d7f5d3SJohn Marino #if HAVE_STDARG
4586d7f5d3SJohn Marino va_start (ap, alg);
4686d7f5d3SJohn Marino #else
4786d7f5d3SJohn Marino __gmp_randstate_struct *rstate;
4886d7f5d3SJohn Marino gmp_randalg_t alg;
4986d7f5d3SJohn Marino va_start (ap);
5086d7f5d3SJohn Marino rstate = va_arg (ap, __gmp_randstate_struct *);
5186d7f5d3SJohn Marino alg = va_arg (ap, gmp_randalg_t);
5286d7f5d3SJohn Marino #endif
5386d7f5d3SJohn Marino
5486d7f5d3SJohn Marino switch (alg) {
5586d7f5d3SJohn Marino case GMP_RAND_ALG_LC:
5686d7f5d3SJohn Marino if (! gmp_randinit_lc_2exp_size (rstate, va_arg (ap, unsigned long)))
5786d7f5d3SJohn Marino gmp_errno |= GMP_ERROR_INVALID_ARGUMENT;
5886d7f5d3SJohn Marino break;
5986d7f5d3SJohn Marino default:
6086d7f5d3SJohn Marino gmp_errno |= GMP_ERROR_UNSUPPORTED_ARGUMENT;
6186d7f5d3SJohn Marino break;
6286d7f5d3SJohn Marino }
6386d7f5d3SJohn Marino va_end (ap);
6486d7f5d3SJohn Marino }
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