view libtommath/bn_mp_init_multi.c @ 1655:f52919ffd3b1

update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79) * make key-generation compliant to FIPS 186.4 * fix includes in tommath_class.h * update fuzzcorpus instead of error-out * fixup fuzzing make-targets * update Makefile.in * apply necessary patches to ltm sources * clean-up not required ltm files * update to vanilla ltm 1.1.0 this already only contains the required files * remove set/get double
author Steffen Jaeckel <s_jaeckel@gmx.de>
date Mon, 16 Sep 2019 15:50:38 +0200
parents 8bba51a55704
children 1051e4eea25a
line wrap: on
line source
#include "tommath_private.h"
#ifdef BN_MP_INIT_MULTI_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis
 *
 * LibTomMath is a library that provides multiple-precision
 * integer arithmetic as well as number theoretic functionality.
 *
 * The library was designed directly after the MPI library by
 * Michael Fromberger but has been written from scratch with
 * additional optimizations in place.
 *
 * SPDX-License-Identifier: Unlicense
 */

#include <stdarg.h>

int mp_init_multi(mp_int *mp, ...)
{
   mp_err res = MP_OKAY;      /* Assume ok until proven otherwise */
   int n = 0;                 /* Number of ok inits */
   mp_int *cur_arg = mp;
   va_list args;

   va_start(args, mp);        /* init args to next argument from caller */
   while (cur_arg != NULL) {
      if (mp_init(cur_arg) != MP_OKAY) {
         /* Oops - error! Back-track and mp_clear what we already
            succeeded in init-ing, then return error.
         */
         va_list clean_args;

         /* now start cleaning up */
         cur_arg = mp;
         va_start(clean_args, mp);
         while (n-- != 0) {
            mp_clear(cur_arg);
            cur_arg = va_arg(clean_args, mp_int *);
         }
         va_end(clean_args);
         res = MP_MEM;
         break;
      }
      n++;
      cur_arg = va_arg(args, mp_int *);
   }
   va_end(args);
   return res;                /* Assumed ok, if error flagged above. */
}

#endif

/* ref:         HEAD -> master, tag: v1.1.0 */
/* git commit:  08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
/* commit time: 2019-01-28 20:32:32 +0100 */