#include "ll.h"

void*
mysbrk(usize size)
{
	return sbrk(size);
}

void
gethunk(void)
{
	char *h;
	long nh;

	nh = NHUNK;
	if(thunk >= 5L*NHUNK) {
		nh = 5L*NHUNK;
		if(thunk >= 25L*NHUNK)
			nh = 25L*NHUNK;
	}
	h = mysbrk(nh);
	if(h == (char*)-1) {
		diag("out of memory");
		errorexit();
	}
	hunk = h;
	nhunk = nh;
	thunk += nh;
}