From e5a66e1160796359d0c0264655b9af21ccfa5cbc Mon Sep 17 00:00:00 2001
From: Gary Talent <gtalent2@gmail.com>
Date: Sat, 9 Nov 2019 19:01:20 -0600
Subject: [PATCH] [nostalgia/player] Fix loading from directory

---
 src/nostalgia/player/main.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nostalgia/player/main.cpp b/src/nostalgia/player/main.cpp
index 94472f56..93833bcc 100644
--- a/src/nostalgia/player/main.cpp
+++ b/src/nostalgia/player/main.cpp
@@ -65,7 +65,8 @@ int main(int argc, const char **argv) {
 		std::unique_ptr<ox::FileSystem> fs;
 		std::vector<uint8_t> rom;
 		std::string path = argv[1];
-		const std::string fsExt = path.substr(path.find_last_of('.'));
+		const auto lastDot = path.find_last_of('.');
+		const std::string fsExt = lastDot != std::string::npos ? path.substr(lastDot) : "";
 		if (fsExt == ".oxfs") {
 			rom = loadFileBuff(path.c_str());
 			if (!rom.size()) {