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Merge pull request #105 from Patman64/execute_call_panic

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Fix possible panic in Eluna::ExecuteCall.
This commit is contained in:
Rochet2
2014-08-11 09:12:38 +03:00
parent 8ab66a5eab 540fa9ca18
commit abec688d9c
1 changed files with 9 additions and 1 deletions
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10
LuaEngine.cpp
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@@ -326,7 +326,15 @@ void Eluna::report(lua_State* L)
void Eluna::ExecuteCall(lua_State* L, int params, int res)
{
int top = lua_gettop(L);
luaL_checktype(L, top - params, LUA_TFUNCTION);
int type = lua_type(L, top - params);
if (type != LUA_TFUNCTION)
{
lua_pop(L, params + 1); // Cleanup the stack.
ELUNA_LOG_ERROR("[Eluna]: Cannot execute call: registered value is a %s, not a function.", lua_typename(L, type));
return;
}
if (lua_pcall(L, params, res, 0))
report(L);
}