s_mp_copy_digs.c

   1 #include "tommath_private.h"
   2 #ifdef S_MP_COPY_DIGS_C
   3 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
   4 /* SPDX-License-Identifier: Unlicense */
   5
   6 #ifdef MP_USE_MEMOPS
   7 #  include <string.h>
   8 #endif
   9
  10 void s_mp_copy_digs(mp_digit *d, const mp_digit *s, int digits)
  11 {
  12 #ifdef MP_USE_MEMOPS
  13    if (digits > 0) {
  14       memcpy(d, s, (size_t)digits * sizeof(mp_digit));
  15    }
  16 #else
  17    while (digits-- > 0) {
  18       *d++ = *s++;
  19    }
  20 #endif
  21 }
  22
  23 #endif