/* * Copyright (c) 2001-2004 Jakub Jermar * Copyright (c) 2008 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup kernel_generic * @{ */ /** * @file * @brief Memory string operations. * * This file provides architecture independent functions to manipulate blocks * of memory. These functions are optimized as much as generic functions of * this type can be. */ #include <memw.h> #include <typedefs.h> /** Fill block of memory. * * Fill cnt bytes at dst address with the value val. * * @param dst Destination address to fill. * @param cnt Number of bytes to fill. * @param val Value to fill. * */ void memsetb(void *dst, size_t cnt, uint8_t val) { memset(dst, val, cnt); } /** Fill block of memory. * * Fill cnt words at dst address with the value val. The filling * is done word-by-word. * * @param dst Destination address to fill. * @param cnt Number of words to fill. * @param val Value to fill. * */ void memsetw(void *dst, size_t cnt, uint16_t val) { size_t i; uint16_t *ptr = (uint16_t *) dst; for (i = 0; i < cnt; i++) ptr[i] = val; } /** @} */