29 lines
603 B
C
29 lines
603 B
C
|
#include "tommath_private.h"
|
||
|
|
#ifdef MP_INIT_SIZE_C
|
||
|
|
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
|
||
|
|
/* SPDX-License-Identifier: Unlicense */
|
||
|
|
|
||
|
|
/* init an mp_init for a given size */
|
||
|
|
mp_err mp_init_size(mp_int *a, int size)
|
||
|
|
{
|
||
|
|
size = MP_MAX(MP_MIN_DIGIT_COUNT, size);
|
||
|
|
|
||
|
|
if (size > MP_MAX_DIGIT_COUNT) {
|
||
|
|
return MP_OVF;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* alloc mem */
|
||
|
|
a->dp = (mp_digit *) MP_CALLOC((size_t)size, sizeof(mp_digit));
|
||
|
|
if (a->dp == NULL) {
|
||
|
|
return MP_MEM;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set the members */
|
||
|
|
a->used = 0;
|
||
|
|
a->alloc = size;
|
||
|
|
a->sign = MP_ZPOS;
|
||
|
|
|
||
|
|
return MP_OKAY;
|
||
|
|
}
|
||
|
|
#endif
|