libtommath/bn_mp_init.c
2019-04-07 17:26:31 +02:00

24 lines
567 B
C

#include "tommath_private.h"
#ifdef BN_MP_INIT_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* init a new mp_int */
int mp_init(mp_int *a)
{
/* allocate memory required and clear it */
a->dp = (mp_digit *) XCALLOC((size_t)MP_PREC, sizeof(mp_digit));
if (a->dp == NULL) {
return MP_MEM;
}
/* set the used to zero, allocated digits to the default precision
* and sign to positive */
a->used = 0;
a->alloc = MP_PREC;
a->sign = MP_ZPOS;
return MP_OKAY;
}
#endif