why it doesn't work now??????

Toni500github · Sep 26, 2024 · c96d4d0 · c96d4d0
1 parent 3571fea
commit c96d4d0
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/util.cpp b/src/util.cpp
@@ -62,16 +62,19 @@ void ctrl_d_handler(const std::istream& cin)
  */
 std::string expandVar(std::string ret)
 {
+    if (ret.empty())
+        return ret;
+
     const char* env;
-    if (ret[0] == '~')
+    if (ret.front() == '~')
     {
         env = std::getenv("HOME");
         if (env == nullptr)
             die("FATAL: $HOME enviroment variable is not set (how?)");
 
         ret.replace(0, 1, env);  // replace ~ with the $HOME value
     }
-    else if (ret[0] == '$')
+    else if (ret.front() == '$')
     {
         ret.erase(0, 1);