mirror of
https://github.com/clearml/dropbear
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b4bd23b4d2
* update C files * update other files * update headers * update makefiles * remove mp_set/get_double() * use ltm 1.2.0 API * update ltm_desc * use bundled tommath if system-tommath is too old * XMALLOC etc. were changed to MP_MALLOC etc.
23 lines
629 B
C
23 lines
629 B
C
#include "tommath_private.h"
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#ifdef BN_MP_SHRINK_C
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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/* shrink a bignum */
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mp_err mp_shrink(mp_int *a)
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{
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mp_digit *tmp;
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int alloc = MP_MAX(MP_MIN_PREC, a->used);
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if (a->alloc != alloc) {
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if ((tmp = (mp_digit *) MP_REALLOC(a->dp,
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(size_t)a->alloc * sizeof(mp_digit),
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(size_t)alloc * sizeof(mp_digit))) == NULL) {
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return MP_MEM;
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}
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a->dp = tmp;
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a->alloc = alloc;
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}
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return MP_OKAY;
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}
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#endif
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