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#include "tommath_private.h"
#ifdef BN_MP_INIT_MULTI_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include <stdarg.h>
mp_err mp_init_multi(mp_int *mp, ...)
{
mp_err err = MP_OKAY; /* Assume ok until proven otherwise */
int n = 0; /* Number of ok inits */
mp_int *cur_arg = mp;
va_list args;
va_start(args, mp); /* init args to next argument from caller */
while (cur_arg != NULL) {
if (mp_init(cur_arg) != MP_OKAY) {
/* Oops - error! Back-track and mp_clear what we already
succeeded in init-ing, then return error.
*/
va_list clean_args;
/* now start cleaning up */
cur_arg = mp;
va_start(clean_args, mp);
while (n-- != 0) {
mp_clear(cur_arg);
cur_arg = va_arg(clean_args, mp_int *);
}
va_end(clean_args);
err = MP_MEM;
break;
}
n++;
cur_arg = va_arg(args, mp_int *);
}
va_end(args);
return err; /* Assumed ok, if error flagged above. */
}
#endif
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