input/InputStream: add method GetUriView()

src/input/BufferedInputStream.cxx

@@ -22,7 +22,7 @@
 #include <string.h>
 
 BufferedInputStream::BufferedInputStream(InputStreamPtr _input)
-	:InputStream(_input->GetURI(), _input->mutex),
+	:InputStream(_input->GetUriView(), _input->mutex),
 	 BufferingInputStream(std::move(_input))
 {
 	assert(IsEligible(GetInput()));

src/input/InputStream.hxx

@@ -159,6 +159,10 @@ public:
 		return uri.c_str();
 	}
 
+	std::string_view GetUriView() const noexcept {
+		return uri;
+	}
+
 	/**
 	 * Check for errors that may have occurred in the I/O thread.
 	 * Throws std::runtime_error on error.

src/input/ProxyInputStream.cxx

@@ -23,7 +23,7 @@
 #include <utility>
 
 ProxyInputStream::ProxyInputStream(InputStreamPtr _input) noexcept
-	:InputStream(_input->GetURI(), _input->mutex),
+	:InputStream(_input->GetUriView(), _input->mutex),
 	 input(std::move(_input))
 {
 	assert(input);