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Diffstat (limited to 'src/std_mem.c')
-rw-r--r-- | src/std_mem.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/std_mem.c b/src/std_mem.c new file mode 100644 index 0000000..abe45ed --- /dev/null +++ b/src/std_mem.c @@ -0,0 +1,107 @@ +/* + * 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; +} + |