WINTERMUTE: Try to "correctly" handle dir paths

I put scare quotes around "correctly" because I can't swear this is the
intended behaviour of the original interpreter.

I don't think accessing filenames that end with / in the .DCPs is even
defined behaviour, so this is a best guess.

1 files changed, 5 insertions, 1 deletions

diff --git a/engines/wintermute/utils/path_util.cpp b/engines/wintermute/utils/path_util.cpp
index 60a07f0bf0..8518f8968f 100644
--- a/engines/wintermute/utils/path_util.cpp
+++ b/engines/wintermute/utils/path_util.cpp
@@ -71,7 +71,11 @@ bool PathUtil::hasTrailingSlash(const Common::String &path) {
 Common::String PathUtil::getDirectoryName(const Common::String &path) {
 	Common::String newPath = unifySeparators(path);
 	Common::String filename = getFileName(path);
-	return Common::String(path.c_str(), path.size() - filename.size());
+	if (hasTrailingSlash(newPath)) {
+		return path;
+	} else {
+		return Common::String(path.c_str(), path.size() - filename.size());
+	}
 }
 
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