From 99ad01e12f103ff5d0d1bcdc18951efdc2cb026e Mon Sep 17 00:00:00 2001
From: Urs Fleisch <ufleisch@users.sourceforge.net>
Date: Sun, 14 Feb 2021 18:16:01 +0100
Subject: [PATCH] Fix file name resolver on Windows

The change from "fileref: Use user defined resolvers on streams"
does not work with the Windows FileName implementation, and
TestFileRef::testFileResolver fails.
---
 taglib/fileref.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/taglib/fileref.cpp b/taglib/fileref.cpp
index 0f392ec7..fd1e2ee7 100644
--- a/taglib/fileref.cpp
+++ b/taglib/fileref.cpp
@@ -67,8 +67,13 @@ namespace
   File *detectByResolvers(FileName fileName, bool readAudioProperties,
                           AudioProperties::ReadStyle audioPropertiesStyle)
   {
+#ifdef _WIN32
+    if(::strlen(fileName) == 0 && ::wcslen(fileName) == 0)
+      return 0;
+#else
     if(::strlen(fileName) == 0)
       return 0;
+#endif
     ResolverList::ConstIterator it = fileTypeResolvers.begin();
     for(; it != fileTypeResolvers.end(); ++it) {
       File *file = (*it)->createFile(fileName, readAudioProperties, audioPropertiesStyle);