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/* 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);
}
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