Mercurial > dropbear
view libtommath/bn_mp_init_multi.c @ 1692:1051e4eea25a
Update LibTomMath to 1.2.0 (#84)
* update C files
* update other files
* update headers
* update makefiles
* remove mp_set/get_double()
* use ltm 1.2.0 API
* update ltm_desc
* use bundled tommath if system-tommath is too old
* XMALLOC etc. were changed to MP_MALLOC etc.
author | Steffen Jaeckel <s@jaeckel.eu> |
---|---|
date | Tue, 26 May 2020 17:36:47 +0200 |
parents | f52919ffd3b1 |
children |
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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