Renamed `stacked` to `onstack`; ref #4523

mrbgems/mruby-struct/src/struct.c

@@ -123,27 +123,27 @@ mrb_struct_ref(mrb_state *mrb, mrb_value obj)
 static mrb_sym
 mrb_id_attrset(mrb_state *mrb, mrb_sym id)
 {
-#define STACKED_ALLOC_MAX 32
-#define STACKED_STRING_MAX (STACKED_ALLOC_MAX - 1) /* '=' character */
+#define ONSTACK_ALLOC_MAX 32
+#define ONSTACK_STRLEN_MAX (ONSTACK_ALLOC_MAX - 1) /* '=' character */
 
   const char *name;
   char *buf;
   mrb_int len;
   mrb_sym mid;
-  char stacked[STACKED_ALLOC_MAX];
+  char onstack[ONSTACK_ALLOC_MAX];
 
   name = mrb_sym2name_len(mrb, id, &len);
-  if (len > STACKED_STRING_MAX) {
+  if (len > ONSTACK_STRLEN_MAX) {
     buf = (char *)mrb_malloc(mrb, (size_t)len+1);
   }
   else {
-    buf = stacked;
+    buf = onstack;
   }
   memcpy(buf, name, (size_t)len);
   buf[len] = '=';
 
   mid = mrb_intern(mrb, buf, len+1);
-  if (buf != stacked) {
+  if (buf != onstack) {
     mrb_free(mrb, buf);
   }
   return mid;