Mercurial > dropbear

view libtommath/bn_mp_dr_setup.c @ 1828:3f0ac6bc58a1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
- Remove "flushing" handling for exited processes, it should be handled by normal file descriptor reads. - Fix sesscheckclose() handling if a channel was closed before a process was ever launched
author Matt Johnston <matt@ucc.asn.au>
date Mon, 11 Oct 2021 15:16:54 +0800
parents 1051e4eea25a
children
line wrap: on
line source

#include "tommath_private.h"
#ifdef BN_MP_DR_SETUP_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */

/* determines the setup value */
void mp_dr_setup(const mp_int *a, mp_digit *d)
{
   /* the casts are required if MP_DIGIT_BIT is one less than
    * the number of bits in a mp_digit [e.g. MP_DIGIT_BIT==31]
    */
   *d = (mp_digit)(((mp_word)1 << (mp_word)MP_DIGIT_BIT) - (mp_word)a->dp[0]);
}

#endif