FreeRDP/libfreerdp/primitives/prim_andor.c

60 lines
1.7 KiB
C

/* FreeRDP: A Remote Desktop Protocol Client
* Logical operations.
* vi:ts=4 sw=4:
*
* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <freerdp/types.h>
#include <freerdp/primitives.h>
#include "prim_internal.h"
/* ----------------------------------------------------------------------------
* 32-bit AND with a constant.
*/
static pstatus_t general_andC_32u(const UINT32* pSrc, UINT32 val, UINT32* pDst, INT32 len)
{
if (val == 0)
return PRIMITIVES_SUCCESS;
while (len--)
*pDst++ = *pSrc++ & val;
return PRIMITIVES_SUCCESS;
}
/* ----------------------------------------------------------------------------
* 32-bit OR with a constant.
*/
static pstatus_t general_orC_32u(const UINT32* pSrc, UINT32 val, UINT32* pDst, INT32 len)
{
if (val == 0)
return PRIMITIVES_SUCCESS;
while (len--)
*pDst++ = *pSrc++ | val;
return PRIMITIVES_SUCCESS;
}
/* ------------------------------------------------------------------------- */
void primitives_init_andor(primitives_t* prims)
{
/* Start with the default. */
prims->andC_32u = general_andC_32u;
prims->orC_32u = general_orC_32u;
}