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/**
** @file memcpy.c
**
** @author Numerous CSCI-452 classes
**
** @brief C implementations of common library functions
*/
#ifndef MEMCPY_SRC_INC
#define MEMCPY_SRC_INC
#include <common.h>
#include <lib.h>
/**
** memcpy(dst,src,len)
**
** Copy a block from one place to another
**
** May not correctly deal with overlapping buffers
**
** @param dst Destination buffer
** @param src Source buffer
** @param len Buffer size (in bytes)
*/
void memcpy( void *dst, register const void *src, register uint32_t len ) {
register uint8_t *dest = dst;
register const uint8_t *source = src;
/*
** We could speed this up by unrolling it and copying
** words at a time (instead of bytes).
*/
while( len-- ) {
*dest++ = *source++;
}
}
#endif
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