kc3-lang/libtommath/bn_mp_init_size.c

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• Hash : c4fb2241
  Author :
  Date : 2019-04-09T11:08:26
  

  rename macros in tommath_private to use MP_* prefix

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• bn_mp_init_size.c

• #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 */
  int mp_init_size(mp_int *a, int size)
  {
     /* pad size so there are always extra digits */
     size += (MP_PREC * 2) - (size % MP_PREC);
  
     /* 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
  

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