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#include "heap.h"
#include "memory.h"
void *lmemcpy(void *dst, const void *src, usize bytes)
{
for (usize i = 0; i < bytes; i++)
((unsigned char *) dst)[i] = ((const unsigned char *) src)[i];
return dst;
}
void *rmemcpy(void *dst, const void *src, usize bytes)
{
for (usize i = bytes; i > 0; i--)
((unsigned char *) dst)[i-1] = ((const unsigned char *) src)[i-1];
return dst;
}
int memcmp(const void *s1, const void *s2, usize n)
{
for (usize i = 0; i < n; i++) {
unsigned char c1 = ((const unsigned char *) s1)[i];
unsigned char c2 = ((const unsigned char *) s2)[i];
if (c1 != c2)
return (int) c1 - (int) c2;
}
return 0;
}
u8 memsum(const void *ptr, usize size)
{
u8 sum = 0;
for (usize i = 0; i < size; i++)
sum += ((const u8 *) ptr)[i];
return sum;
}
void *memset(void *ptr, int value, usize size)
{
for (usize i = 0; i < size; i++)
((unsigned char *) ptr)[i] = value;
return ptr;
}
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