A super trimmed down TLS stack, GPL licensed

Dependents:   MiniTLS-HTTPS-Example

MiniTLS - A super trimmed down TLS/SSL Library for embedded devices Author: Donatien Garnier Copyright (C) 2013-2014 AppNearMe Ltd

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

math/bit/fp_rshd.c

Committer:
MiniTLS
Date:
2014-06-10
Revision:
4:cbaf466d717d
Parent:
0:35aa5be3b78d

File content as of revision 4:cbaf466d717d:

/* TomsFastMath, a fast ISO C bignum library.
 * 
 * This project is meant to fill in where LibTomMath
 * falls short.  That is speed ;-)
 *
 * This project is public domain and free for all purposes.
 * 
 * Tom St Denis, tomstdenis@gmail.com
 */
#include <tfm.h>

void fp_rshd(fp_int *a, int x)
{
  int y;

  /* too many digits just zero and return */
  if (x >= a->used) {
     fp_zero(a);
     return;
  }

   /* shift */
   for (y = 0; y < a->used - x; y++) {
      a->dp[y] = a->dp[y+x];
   }

   /* zero rest */
   for (; y < a->used; y++) {
      a->dp[y] = 0;
   }
   
   /* decrement count */
   a->used -= x;
   fp_clamp(a);
}


/* $Source: /cvs/libtom/tomsfastmath/src/bit/fp_rshd.c,v $ */
/* $Revision: 1.1 $ */
/* $Date: 2006/12/31 21:25:53 $ */