/*
 * Copyright (c) 2001-2007, Tom St Denis
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
 */
#include "tomcrypt.h"

#ifdef MPI
#include <stdarg.h>

int ltc_init_multi(void **a, ...)
{
   void    **cur = a;
   int       np  = 0;
   va_list   args;

   va_start(args, a);
   while (cur != NULL) {
       if (mp_init(cur) != CRYPT_OK) {
          /* failed */
          va_list clean_list;

          va_start(clean_list, a);
          cur = a;
          while (np--) {
              mp_clear(*cur);
              cur = va_arg(clean_list, void**);
          }
          va_end(clean_list);
          return CRYPT_MEM;
       }
       ++np;
       cur = va_arg(args, void**);
   }
   va_end(args);
   return CRYPT_OK;   
}

int ltc_init_multi_size(int size_bits, void **a, ...)
{
   void    **cur = a;
   int       np  = 0;
   va_list   args;

   va_start(args, a);
   while (cur != NULL) {
       if (mp_init_size(size_bits, cur) != CRYPT_OK) {
          /* failed */
          va_list clean_list;

          va_start(clean_list, a);
          cur = a;
          while (np--) {
              mp_clear(*cur);
              cur = va_arg(clean_list, void**);
          }
          va_end(clean_list);
          return CRYPT_MEM;
       }
       ++np;
       cur = va_arg(args, void**);
   }
   va_end(args);
   return CRYPT_OK;   
}

void ltc_deinit_multi(void *a, ...)
{
   void     *cur = a;
   va_list   args;

   va_start(args, a);
   while (cur != NULL) {
       mp_clear(cur);
       cur = va_arg(args, void *);
   }
   va_end(args);
}

#endif

/* $Source: /cvs/libtom/libtomcrypt/src/math/multi.c,v $ */
/* $Revision: 1.6 $ */
/* $Date: 2006/12/28 01:27:23 $ */