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1449523c6d
Addendum to aea4cfb
.
41 lines
880 B
C
41 lines
880 B
C
#include <string.h>
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#if defined(_MSC_VER) && (_MSC_VER >= 1910 || !defined(_WIN64))
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#pragma function(memmove)
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#endif /* _MSC_VER */
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/* NOTE: This code is duplicated in memcpy function */
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void * __cdecl memmove(void *dest,const void *src,size_t count)
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{
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char *char_dest = (char *)dest;
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char *char_src = (char *)src;
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if ((char_dest <= char_src) || (char_dest >= (char_src+count)))
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{
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/* non-overlapping buffers */
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while(count > 0)
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{
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*char_dest = *char_src;
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char_dest++;
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char_src++;
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count--;
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}
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}
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else
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{
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/* overlaping buffers */
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char_dest = (char *)dest + count - 1;
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char_src = (char *)src + count - 1;
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while(count > 0)
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{
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*char_dest = *char_src;
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char_dest--;
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char_src--;
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count--;
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}
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}
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return dest;
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}
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