1 files changed, 7 insertions, 0 deletions
diff --git a/mem.c b/mem.c
index 225834d..2c42758 100644
--- a/mem.c
+++ b/mem.c
@@ -22,3 +22,10 @@ Obj *alloc_obj(State *S, size_t sz, ObjTy oty) {
 	o->oty = oty;
 	return o;
 }
+
+
+size_t next_pwrof2(size_t x) {
+	size_t p = 1;
+	while (p < x) p <<= 1;
+	return p;
+}