1 /*---------------------------------------------------------------------------* 2 * memmove.h * 3 * * 4 * Copyright 2007, 2008 Nuance Communciations, Inc. * 5 * * 6 * Licensed under the Apache License, Version 2.0 (the 'License'); * 7 * you may not use this file except in compliance with the License. * 8 * * 9 * You may obtain a copy of the License at * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, software * 13 * distributed under the License is distributed on an 'AS IS' BASIS, * 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 15 * See the License for the specific language governing permissions and * 16 * limitations under the License. * 17 * * 18 *---------------------------------------------------------------------------*/ 19 20 #ifndef _inl_memmove_ 21 #define _inl_memmove_ 22 23 #if USE_SYSTEM_MEMMOVE 24 #define MEMMOVE(S,D,N,Z) memmove(S,D,(N)*(Z)) 25 #else 26 #define MEMMOVE memmove_inline 27 28 static void *memmove_inline(void *dest, const void *src, size_t count, 29 size_t size); 30 31 static void *memmove_inline(void *dest, const void *src, size_t count, 32 size_t size) 33 /* 34 ** A more efficient implementation of memmove 35 */ 36 { 37 ASSERT(dest); 38 ASSERT(src); 39 40 while (count-- > 0) 41 { 42 memcpy(dest, src, size); 43 dest = (void *)(((char *)dest) + size); 44 src = (void *)(((char *)src) + size); 45 } 46 return (dest); /* TODO: fix return */ 47 } 48 #endif 49 #endif 50