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SSH Daemon Project

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Owner: themasterBranch: mainCommits: 2Updated: 2026-04-19 00:20

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ssh-daemon-project / libtommath / bn_mp_shrink.c

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#include "tommath_private.h"
#ifdef BN_MP_SHRINK_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* shrink a bignum */
mp_err mp_shrink(mp_int *a)
{
   mp_digit *tmp;
   int alloc = MP_MAX(MP_MIN_PREC, a->used);
   if (a->alloc != alloc) {
      if ((tmp = (mp_digit *) MP_REALLOC(a->dp,
                                         (size_t)a->alloc * sizeof(mp_digit),
                                         (size_t)alloc * sizeof(mp_digit))) == NULL) {
         return MP_MEM;
      }
      a->dp    = tmp;
      a->alloc = alloc;
   }
   return MP_OKAY;
}
#endif

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