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Fix of Custom profiles prevent the slicer from starting up #4996

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Creative user made a profile inherit from itself.
This commit is contained in:
Vojtech Bubnik 2020-12-07 17:09:02 +01:00
parent 82dfb990ef
commit 780418435a
1 changed files with 9 additions and 1 deletions
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10
src/libslic3r/Preset.cpp
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@ -991,7 +991,15 @@ const Preset* PresetCollection::get_preset_parent(const Preset& child) const
if (it != m_presets.end()) if (it != m_presets.end())
preset = &(*it); preset = &(*it);
} }
return (preset == nullptr/* || preset->is_default */|| preset->is_external) ? nullptr : preset; return
// not found
(preset == nullptr/* || preset->is_default */||
// this should not happen, user profile should not derive from an external profile
preset->is_external ||
// this should not happen, however people are creative, see GH #4996
preset == &child) ?
nullptr :
preset;
} }
// Return vendor of the first parent profile, for which the vendor is defined, or null if such profile does not exist. // Return vendor of the first parent profile, for which the vendor is defined, or null if such profile does not exist.