kc3-lang/libtommath/bn_mp_clear.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_clear.c

• #include "tommath_private.h"
  #ifdef BN_MP_CLEAR_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* clear one (frees)  */
  void mp_clear(mp_int *a)
  {
     int i;
  
     /* only do anything if a hasn't been freed previously */
     if (a->dp != NULL) {
        /* first zero the digits */
        for (i = 0; i < a->used; i++) {
           a->dp[i] = 0;
        }
  
        /* free ram */
        MP_FREE(a->dp, sizeof(mp_digit) * (size_t)a->alloc);
  
        /* reset members to make debugging easier */
        a->dp    = NULL;
        a->alloc = a->used = 0;
        a->sign  = MP_ZPOS;
     }
  }
  #endif
  

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