Fix crash in DecoderNSImage

AlienCowEatCake · Sep 24, 2018 · 37a1298 · 37a1298
1 parent cce5a1a
commit 37a1298
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/ImageViewer/src/Decoders/Impl/DecoderNSImage.mm b/src/ImageViewer/src/Decoders/Impl/DecoderNSImage.mm
@@ -67,7 +67,11 @@ QStringList supportedFormats() const
         {
             for(NSString *uti in [NSImage imageTypes])
             {
+                if(!uti)
+                    continue;
                 CFArrayRef tags = UTTypeCopyAllTagsWithClass((__bridge CFStringRef)uti, kUTTagClassFilenameExtension);
+                if(!tags)
+                    continue;
                 for(CFIndex i = 0, count = CFArrayGetCount(tags); i < count; ++i)
                 {
                     CFStringRef tag = (CFStringRef)CFArrayGetValueAtIndex(tags, i);