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Fix crash in log_deprecated when triggered from no function

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Based on commit a1598e1b
This commit is contained in:
SmallJoker 2018-05-14 21:03:48 +02:00 committed by sfan5
parent 119aa5c919
commit 2515207606
1 changed files with 3 additions and 1 deletions
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4
src/script/common/c_internal.cpp
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@ -181,7 +181,9 @@ void log_deprecated(lua_State *L, const std::string &message)
warningstream << message;
if (L) { // L can be NULL if we get called from scripting_game.cpp
lua_Debug ar;
FATAL_ERROR_IF(!lua_getstack(L, 2, &ar), "lua_getstack() failed");
if (!lua_getstack(L, 2, &ar))
FATAL_ERROR_IF(!lua_getstack(L, 1, &ar), "lua_getstack() failed");
FATAL_ERROR_IF(!lua_getinfo(L, "Sl", &ar), "lua_getinfo() failed");
warningstream << " (at " << ar.short_src << ":" << ar.currentline << ")";
}