libtommath/bn_mp_init_copy.c
Daniel Mendler 4534056c28
use enums mp_err, mp_ord, mp_bool, mp_sign
* MP_USE_ENUMS enables enums
* Wc++-compat catches some implicit conversions if MP_USE_ENUMS is defined
* 100% backwards compatible API/ABI if MP_USE_ENUMS is not defined
2019-05-13 19:15:14 +02:00

22 lines
445 B
C

#include "tommath_private.h"
#ifdef BN_MP_INIT_COPY_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* creates "a" then copies b into it */
mp_err mp_init_copy(mp_int *a, const mp_int *b)
{
mp_err res;
if ((res = mp_init_size(a, b->used)) != MP_OKAY) {
return res;
}
if ((res = mp_copy(b, a)) != MP_OKAY) {
mp_clear(a);
}
return res;
}
#endif