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filter-displacement: Do not allow zero-length file names
Fixes a crash when using c_str() on an empty string, causing an unexpected crash.
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1 changed files with 5 additions and 0 deletions
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@ -160,6 +160,11 @@ void filter::displacement::displacement_instance::validate_file_texture(std::str
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{
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bool do_update = false;
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// Don't allow empty file names.
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if (file.length() == 0) {
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return;
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}
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// File name different
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if (file != m_file_name) {
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do_update = true;
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