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Merge pull request #1120 from DizzyEggg/patch-5

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Fix UB in event_object_movement.c
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GriffinR 2020-08-02 10:00:58 -04:00 committed by GitHub
commit 04117cdb1c
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1 changed files with 7 additions and 1 deletions
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src/event_object_movement.c
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@ -2340,7 +2340,13 @@ const u8 *GetObjectEventScriptPointerByObjectEventId(u8 objectEventId)
static u16 GetObjectEventFlagIdByLocalIdAndMap(u8 localId, u8 mapNum, u8 mapGroup)
{
return GetObjectEventTemplateByLocalIdAndMap(localId, mapNum, mapGroup)->flagId;
struct ObjectEventTemplate *obj = GetObjectEventTemplateByLocalIdAndMap(localId, mapNum, mapGroup);
#ifdef UBFIX
// BUG: The function may return NULL, and attempting to read from NULL may freeze the game using modern compilers.
if (obj == NULL)
return 0;
#endif // UBFIX
return obj->flagId;
}
static u16 GetObjectEventFlagIdByObjectEventId(u8 objectEventId)