RossComputerGuy/stardustos

/**
    * StardustOS libc - (C) 2019 Tristan Ross
    */
#include <string.h>

void* memmove(void* dst, const void* src, size_t size) {
    unsigned char* dstbuff = (unsigned char*)dst;
    const unsigned char* srcbuff = (const unsigned char*)src;
    if (dstbuff < srcbuff) {
        for (size_t i = 0; i < size; i++) dstbuff[i] = srcbuff[i];
    } else {
        for (size_t i = size; i != 0; i--) dstbuff[i-1] = srcbuff[i-1];
    }
    return dstbuff;
}