#include <stddef.h>
#include "include/string_volatile.h"

volatile void *memmove_volatile(volatile void *dst, const volatile void *src, volatile size_t n) {
	volatile char *d = dst;
	volatile const char *s = src;
	if(s < d) {
		d += n;
		s += n;
		while(n--) {
			*--d = *--s;
		}
	} else {
		while(n--) {
			*d++ = *s++;
		}
	}
	return dst;
}

volatile void *memset_volatile(volatile void *dest, int c, volatile size_t n) {
	volatile unsigned char *d = dest;
	while(n--) {
		*d++ = c;
	}
	return dest;
}

volatile void *memcpy_volatile(volatile void *restrict dst, const volatile void *restrict src, volatile size_t n) {
	volatile char *d = dst;
	volatile const char *s = src;
	while(n--) {
		*d++ = *s++;
	}
	return dst;
}