kc3-lang/libtommath/bn_mp_shrink.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_shrink.c

• #include "tommath_private.h"
  #ifdef BN_MP_SHRINK_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* shrink a bignum */
  int mp_shrink(mp_int *a)
  {
     mp_digit *tmp;
     int used = 1;
  
     if (a->used > 0) {
        used = a->used;
     }
  
     if (a->alloc != used) {
        if ((tmp = (mp_digit *) MP_REALLOC(a->dp,
                                           (size_t)a->alloc * sizeof(mp_digit),
                                           (size_t)used * sizeof(mp_digit))) == NULL) {
           return MP_MEM;
        }
        a->dp    = tmp;
        a->alloc = used;
     }
     return MP_OKAY;
  }
  #endif
  

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