view libtommath/bn_mp_init_size.c @ 1782:a6da10ac64b5 fuzz

fuzz: make postauth set authdone properly
author Matt Johnston <matt@ucc.asn.au>
date Thu, 03 Dec 2020 22:18:51 +0800
parents 1051e4eea25a
children
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#include "tommath_private.h"
#ifdef BN_MP_INIT_SIZE_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* init an mp_init for a given size */
mp_err mp_init_size(mp_int *a, int size)
{
   size = MP_MAX(MP_MIN_PREC, size);

   /* alloc mem */
   a->dp = (mp_digit *) MP_CALLOC((size_t)size, sizeof(mp_digit));
   if (a->dp == NULL) {
      return MP_MEM;
   }

   /* set the members */
   a->used  = 0;
   a->alloc = size;
   a->sign  = MP_ZPOS;

   return MP_OKAY;
}
#endif