From 1b723937e3fe4012ac878ded833ff6a39455e0b8 Mon Sep 17 00:00:00 2001
From: stijn <stijn@ignitron.net>
Date: Wed, 26 Aug 2020 11:23:10 +0200
Subject: [PATCH] py/makeqstrdefs.py: Fix beaviour when scanning non-C
 preprocessed files.

When process_file() is passed a preprocessed C++ file for instance it won't
find any lines containing .c files and the last_fname variable remains
None, so handle that gracefully.
---
 py/makeqstrdefs.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/py/makeqstrdefs.py b/py/makeqstrdefs.py
index 9449a46ee..47afe0adb 100644
--- a/py/makeqstrdefs.py
+++ b/py/makeqstrdefs.py
@@ -58,7 +58,8 @@ def process_file(f):
             elif args.mode == _MODE_COMPRESS:
                 output.append(match)
 
-    write_out(last_fname, output)
+    if last_fname:
+        write_out(last_fname, output)
     return ""