don't shrink in array_allocate

array/array_allocate.c

@@ -56,6 +56,7 @@ void* array_allocate(array* x,uint64 membersize,int64 pos) {
   /* second case of overflow: pos*membersize too large */
   if (__unlikely(!umult64(membersize,pos+1,&wanted))) return 0;
 
+  if (wanted > (uint64)x->initialized) {
     if (__unlikely(wanted >= (uint64)x->allocated)) {
       /* round up a little */
       if (membersize<8)
@@ -76,5 +77,7 @@ void* array_allocate(array* x,uint64 membersize,int64 pos) {
       byte_zero(x->p+x->initialized,x->allocated-x->initialized);
     }
     x->initialized=(pos+1)*membersize;
+  }
+
   return x->p+pos*membersize;
 }

io/io_waituntil2.c

@@ -75,6 +75,11 @@ int64 io_waituntil2(int64 milliseconds) {
     if ((n=kevent(io_master,0,0,y,100,milliseconds!=-1?&ts:0))==-1) return -1;
     for (i=n-1; i>=0; --i) {
       io_entry* e=array_get(&io_fds,sizeof(io_entry),y[--n].ident);
+#ifdef DEBUG
+      if (!e) {
+	e=e;
+      }
+#endif
       if (e) {
 	if (y[n].flags&EV_ERROR) {
 	  /* error; signal whatever app is looking for */