X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fcontrollers%2Ftex_helpers.C;h=fbc78c2d78b1e023b9e8e120072aa9084662b282;hb=534095ce9e82d0b0f875540f7306ff218df3b5aa;hp=888a83e6e4d6176fd5659029d2f5e8bb69200bcc;hpb=3314702bf166367e1883b90fc47367c88ddf72fd;p=lyx.git

diff --git a/src/frontends/controllers/tex_helpers.C b/src/frontends/controllers/tex_helpers.C
index 888a83e6e4..fbc78c2d78 100644
--- a/src/frontends/controllers/tex_helpers.C
+++ b/src/frontends/controllers/tex_helpers.C
@@ -103,9 +103,11 @@ void getTexFileList(string const & filename, std::vector<string> & list)
 
 string const getListOfOptions(string const & classname, string const & type)
 {
-	string const filename = getTexFileFromList(classname,type);
+	FileName const filename(getTexFileFromList(classname, type));
+	if (filename.empty())
+		return string();
 	string optionList = string();
-	std::ifstream is(filename.c_str());
+	std::ifstream is(filename.toFilesystemEncoding().c_str());
 	while (is) {
 		string s;
 		is >> s;