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authorCharles Pigott <charlespigott@googlemail.com>2019-11-02 12:50:42 +0000
committerNiels Martin Hansen <nielsm@indvikleren.dk>2019-11-15 21:06:09 +0100
commit60cbddbb5faf75e3c2df1e037eed759997dfa541 (patch)
tree4f02ba7443f509122664eaaff733c27886bfbed0 /src
parentcf354f666804c67dfb7ddfeceda4a6306acdb09e (diff)
downloadopenttd-60cbddbb5faf75e3c2df1e037eed759997dfa541.tar.xz
Fix #7606: Game crash when trying to clean up a crashed script
Also fix another possible memory leak
Diffstat (limited to 'src')
-rw-r--r--src/script/script_instance.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/script/script_instance.cpp b/src/script/script_instance.cpp
index 2c83e8838..a38a315ff 100644
--- a/src/script/script_instance.cpp
+++ b/src/script/script_instance.cpp
@@ -89,6 +89,10 @@ void ScriptInstance::Initialize(const char *main_script, const char *instance_na
/* Create the main-class */
this->instance = new SQObject();
if (!this->engine->CreateClassInstance(instance_name, this->controller, this->instance)) {
+ /* If CreateClassInstance has returned false instance has not been
+ * registered with squirrel, so avoid trying to Release it by clearing it now */
+ delete this->instance;
+ this->instance = nullptr;
this->Died();
return;
}
@@ -154,6 +158,7 @@ void ScriptInstance::Died()
this->last_allocated_memory = this->GetAllocatedMemory(); // Update cache
if (this->instance != nullptr) this->engine->ReleaseObject(this->instance);
+ delete this->instance;
delete this->engine;
this->instance = nullptr;
this->engine = nullptr;