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Do not insert nil values into tables

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Roberto Ierusalimschy
2020-12-29 13:38:47 -03:00
parent 4bd10b6fe8
commit 553b37ce4f
1 changed files with 2 additions and 0 deletions
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ltable.c
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@@ -647,6 +647,8 @@ void luaH_newkey (lua_State *L, Table *t, const TValue *key, TValue *value) {
else if (unlikely(luai_numisnan(f))) else if (unlikely(luai_numisnan(f)))
luaG_runerror(L, "table index is NaN"); luaG_runerror(L, "table index is NaN");
} }
if (ttisnil(value))
return; /* do not insert nil values */
mp = mainpositionTV(t, key); mp = mainpositionTV(t, key);
if (!isempty(gval(mp)) || isdummy(t)) { /* main position is taken? */ if (!isempty(gval(mp)) || isdummy(t)) { /* main position is taken? */
Node *othern; Node *othern;