fix: compiling but not working -- need debug

src/io_backend/io_backend.c

@@ -96,7 +96,9 @@ ssize_t stream_read(char **stream)
     else if (context.mode == IOB_MODE_CMD)
     {
         *stream = context.args;
-        return strlen(context.args);
+        size_t len = strlen(context.args);
+        context.args[len] = EOF;
+        return len;
     }
     else
     {