libk  heapao.fn.c at [e50a476efe]

File mod/kmem/heapao.fn.c artifact e98ef79662 part of check-in e50a476efe


#include <k/core.h>
#include <k/mem.h>
/* heapao.fn.c - kmheapao() "allocate heap object"
 * ~ lexi hale <lexi@hale.su>
 * kmheapao() allocates a region in heap memory
 * and returns a kmptr struct referencing that
 * newly allocated region.
 */

kmcond kmheapao(kmptr* where, sz size) {
	void* ptr;
	kmcond e = kmheapa(&ptr, size);
	if (e != kmcond_ok) return e;
	kmptr p = {
		.kind = (ptr != null ? kmkind_heap : kmkind_fail),
		.ref = ptr,
		.shred = false,
	};
	*where = p;
	return kmcond_ok;
}