unpkg: handle canonicalization failures on mounted filesystems

Author: Masamune3210

rpcs3/Crypto/unpkg.cpp

@@ -952,11 +952,20 @@ bool package_reader::fill_data(std::map<std::string, install_entry*>& all_instal
 		default:
 		{
 			// TODO: check for valid utf8 characters
-			const std::string true_path = std::filesystem::weakly_canonical(path).string();
+			std::error_code ec;
+			std::filesystem::path normalized_path = std::filesystem::weakly_canonical(path, ec);
+
+			if (ec)
+			{
+				pkg_log.warning("Failed to canonicalize package path '%s' (%s); falling back to lexical normalization.", path, ec.message());
+				normalized_path = std::filesystem::path(path).lexically_normal();
+			}
+
+			const std::string true_path = normalized_path.string();
 			if (true_path.empty())
 			{
 				num_failures++;
-				pkg_log.error("Failed to get weakly_canonical path for '%s'", path);
+				pkg_log.error("Failed to normalize package path for '%s'", path);
 				break;
 			}