Mercurial > dropbear
view libtommath/bn_mp_or.c @ 1460:58a74cb829b8
Pointer parameter could be declared as pointing to const (callback)
author | Francois Perrad <francois.perrad@gadz.org> |
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date | Sat, 19 Aug 2017 22:39:53 +0200 |
parents | 60fc6476e044 |
children | 8bba51a55704 |
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#include <tommath_private.h> #ifdef BN_MP_OR_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * * LibTomMath is a library that provides multiple-precision * integer arithmetic as well as number theoretic functionality. * * The library was designed directly after the MPI library by * Michael Fromberger but has been written from scratch with * additional optimizations in place. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://libtom.org */ /* OR two ints together */ int mp_or (mp_int * a, mp_int * b, mp_int * c) { int res, ix, px; mp_int t, *x; if (a->used > b->used) { if ((res = mp_init_copy (&t, a)) != MP_OKAY) { return res; } px = b->used; x = b; } else { if ((res = mp_init_copy (&t, b)) != MP_OKAY) { return res; } px = a->used; x = a; } for (ix = 0; ix < px; ix++) { t.dp[ix] |= x->dp[ix]; } mp_clamp (&t); mp_exch (c, &t); mp_clear (&t); return MP_OKAY; } #endif /* $Source$ */ /* $Revision$ */ /* $Date$ */