(ws gunzip + IXGZipCodec) Can decompress gziped data with libdeflate. ws gunzip computed output filename was incorrect (was the extension aka gz) instead of the file without the extension. Also check whether the output file is writeable.

ws/ws.cpp

@@ -152,7 +152,7 @@ namespace
         idx = path.rfind('.');
         if (idx != std::string::npos)
         {
-            std::string filename = path.substr(idx + 1);
+            std::string filename = path.substr(0, idx);
             return filename;
         }
         else
@@ -1220,6 +1220,11 @@ namespace ix
 
         std::ofstream f;
         f.open(outputFilename);
+        if (!f.is_open())
+        {
+            spdlog::error("Cannot open {} for writing", outputFilename);
+            return 1;
+        }
         f << decompressedBytes;
         f.close();