| /* |
| * Copyright (c) 2019, The Linux Foundation. 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. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * 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. |
| */ |
| |
| /* |
| ======================================================================= |
| |
| FILE: std_mem.c |
| |
| SERVICES: apiOne std lib memory operations stuff |
| |
| */ |
| |
| #include <string.h> |
| #include "AEEstd.h" |
| #include "AEEStdErr.h" |
| |
| #if defined __hexagon__ |
| #include "stringl/stringl.h" |
| |
| //Add a weak reference so shared objects work with older images |
| #pragma weak memscpy |
| #pragma weak memsmove |
| #endif /*__hexagon__*/ |
| |
| void* std_memset(void* p, int c, int nLen) |
| { |
| if (nLen < 0) { |
| return p; |
| } |
| return memset(p, c, (size_t)nLen); |
| } |
| |
| void* std_memmove(void* pTo, const void* cpFrom, int nLen) |
| { |
| if (nLen <= 0) { |
| return pTo; |
| } |
| #ifdef __hexagon__ |
| std_memsmove(pTo, (size_t)nLen, cpFrom, (size_t)nLen); |
| return pTo; |
| #else |
| return memmove(pTo, cpFrom, (size_t)nLen); |
| #endif |
| } |
| |
| int std_memscpy(void *dst, int dst_size, const void *src, int src_size){ |
| size_t copy_size = 0; |
| |
| if(dst_size <0 || src_size <0){ |
| return AEE_EBADSIZE; |
| } |
| |
| #if defined (__hexagon__) |
| if (memscpy){ |
| return memscpy(dst,dst_size,src,src_size); |
| } |
| #endif |
| |
| copy_size = (dst_size <= src_size)? dst_size : src_size; |
| memcpy(dst, src, copy_size); |
| return copy_size; |
| } |
| |
| int std_memsmove(void *dst, int dst_size, const void *src, int src_size){ |
| size_t copy_size = 0; |
| |
| if(dst_size <0 || src_size <0){ |
| return AEE_EBADSIZE; |
| } |
| |
| #if defined (__hexagon__) |
| if (memsmove){ |
| return memsmove(dst,dst_size,src,src_size); |
| } |
| #endif |
| |
| copy_size = (dst_size <= src_size)? dst_size : src_size; |
| memmove(dst, src, copy_size); |
| return copy_size; |
| } |
| |