Mercurial > dropbear
view libtommath/bn_mp_clamp.c @ 1850:d99b167994b5
Remove caching and socat from build.yml
socat isn't needed and it consumes exit codes
Caching seems impossible to invalidate
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 19 Oct 2021 12:49:19 +0800 |
parents | 1051e4eea25a |
children |
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#include "tommath_private.h" #ifdef BN_MP_CLAMP_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* trim unused digits * * This is used to ensure that leading zero digits are * trimed and the leading "used" digit will be non-zero * Typically very fast. Also fixes the sign if there * are no more leading digits */ void mp_clamp(mp_int *a) { /* decrease used while the most significant digit is * zero. */ while ((a->used > 0) && (a->dp[a->used - 1] == 0u)) { --(a->used); } /* reset the sign flag if used == 0 */ if (a->used == 0) { a->sign = MP_ZPOS; } } #endif