pxh.cpp: fix invalid reference if words is empty

This can happen for example if 'line' is a space.
2026-08-21 16:50:34 +08:00 · 2019-05-24 11:41:43 +02:00
parent 6eb29fca9d
commit f58079bc5d
1 changed files with 4 additions and 0 deletions
@@ -84,6 +84,10 @@ int Pxh::process_line(const std::string &line, bool silently_fail)
 		words.push_back(word);
 	}

+	if (words.empty()) {
+		return 0;
+	}
+
 	const std::string &command(words.front());

 	if (_apps.find(command) != _apps.end()) {