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Fix crash if someone evil calls the .lines method on a non-file

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uramer 2024-12-21 16:47:19 +01:00
parent 5f745f4074
commit 6d8753e5a8
1 changed files with 3 additions and 1 deletions
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4
apps/openmw/mwlua/vfsbindings.cpp
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@ -190,7 +190,9 @@ namespace MWLua
return seek(lua, self, std::ios_base::cur, off); return seek(lua, self, std::ios_base::cur, off);
}); });
handle["lines"] = [](sol::this_state lua, sol::object self) { handle["lines"] = [](sol::this_state lua, sol::object self) {
return sol::as_function([lua, self]() { return sol::as_function([lua, self]() -> sol::object {
if (!self.is<FileHandle*>())
return sol::nil;
FileHandle* handle = self.as<FileHandle*>(); FileHandle* handle = self.as<FileHandle*>();
validateFile(*handle); validateFile(*handle);
return readLineFromFile(lua, *handle); return readLineFromFile(lua, *handle);