16 lines
611 B
C
16 lines
611 B
C
#include <string.h>
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//Those pragmas are used to skip optimization for this function
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#pragma GCC push_options
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#pragma GCC optimize ("O0")
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void memmove(void* dst, void* src, uint32_t size) {
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uint8_t* from=(uint8_t*)src;
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uint8_t* to=(uint8_t*)dst;
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if((src<dst)&&((src+size)>dst)) {
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for(int i=size-1;i>=0;i--)
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to[i]=from[i]; //This would get optimized by gcc to memmove(dst, src, size); if optimizations are enabled.
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} else if(src != dst) {
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for(int i=0;i<size;i++)
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to[i]=from[i]; //This would get optimized by gcc to memmove(dst, src, size); if optimizations are enabled.
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}
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}
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#pragma GCC pop_options
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