view libtommath/bn_mp_abs.c @ 1695:93e738ef0d9d

Avoid oss-fuzz $SANITIZER causing wrong build https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22608
author Matt Johnston <matt@ucc.asn.au>
date Wed, 27 May 2020 20:33:45 +0800
parents 1051e4eea25a
children
line wrap: on
line source

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

/* b = |a|
 *
 * Simple function copies the input and fixes the sign to positive
 */
mp_err mp_abs(const mp_int *a, mp_int *b)
{
   mp_err     err;

   /* copy a to b */
   if (a != b) {
      if ((err = mp_copy(a, b)) != MP_OKAY) {
         return err;
      }
   }

   /* force the sign of b to positive */
   b->sign = MP_ZPOS;

   return MP_OKAY;
}
#endif