lua

commit 553b37ce4ff758d8cf80d48a21287526c92221c6
parent 4bd10b6fe81c0a56eb9e01e24fba10e655966870
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Tue, 29 Dec 2020 13:38:20 -0300

Do not insert nil values into tables

Diffstat:
M
ltable.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/ltable.c b/ltable.c
@@ -647,6 +647,8 @@ void luaH_newkey (lua_State *L, Table *t, const TValue *key, TValue *value) {
     else if (unlikely(luai_numisnan(f)))
       luaG_runerror(L, "table index is NaN");
   }
+  if (ttisnil(value))
+    return;  /* do not insert nil values */
   mp = mainpositionTV(t, key);
   if (!isempty(gval(mp)) || isdummy(t)) {  /* main position is taken? */
     Node *othern;