gcry_mpi_t
gcry_mpi_set_ui( gcry_mpi_t w, unsigned long u )
{
if( !w )
w = _gcry_mpi_alloc(1);
_gcry_mpi_set_ui( w, u );
return w;
}
gcry_mpi_t
gcry_mpi_set( gcry_mpi_t w, const gcry_mpi_t u )
{
if( !w )
w = _gcry_mpi_alloc( mpi_get_nlimbs(u) );
_gcry_mpi_set( w, (gcry_mpi_t)u );
return w;
}
gcry_mpi_t
gcry_mpi_set_ui( gcry_mpi_t w, unsigned long u)
{
if (!w)
w = _gcry_mpi_alloc (1);
/* FIXME: If U is 0 we have no need to resize and thus possible
allocating the the limbs. */
RESIZE_IF_NEEDED(w, 1);
w->d[0] = u;
w->nlimbs = u? 1:0;
w->sign = 0;
w->flags = 0;
return w;
}
gcry_mpi_t
gcry_mpi_set( gcry_mpi_t w, gcry_mpi_t u)
{
mpi_ptr_t wp, up;
mpi_size_t usize = u->nlimbs;
int usign = u->sign;
if (!w)
w = _gcry_mpi_alloc( mpi_get_nlimbs(u) );
RESIZE_IF_NEEDED(w, usize);
wp = w->d;
up = u->d;
MPN_COPY( wp, up, usize );
w->nlimbs = usize;
w->flags = u->flags;
w->sign = usign;
return w;
}
gcry_mpi_t
_gcry_mpi_set (gcry_mpi_t w, gcry_mpi_t u)
{
mpi_ptr_t wp, up;
mpi_size_t usize = u->nlimbs;
int usign = u->sign;
if (!w)
w = _gcry_mpi_alloc( mpi_get_nlimbs(u) );
if (mpi_is_immutable (w))
{
mpi_immutable_failed ();
return w;
}
RESIZE_IF_NEEDED(w, usize);
wp = w->d;
up = u->d;
MPN_COPY( wp, up, usize );
w->nlimbs = usize;
w->flags = u->flags;
w->flags &= ~(16|32); /* Reset the immutable and constant flags. */
w->sign = usign;
return w;
}
gcry_mpi_t
_gcry_mpi_new (unsigned int nbits)
{
return _gcry_mpi_alloc ( (nbits+BITS_PER_MPI_LIMB-1)
/ BITS_PER_MPI_LIMB );
}
