widl: Add null source pointer check for typelib writer.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=38964Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

widl: Add null source pointer check for typelib writer.
fe5bfa5b · Nikolay Sivov · Alexandre Julliard · fdf43b9b · fe5bfa5b
Commit fe5bfa5b authored Sep 23, 2020 by Nikolay Sivov Committed by Alexandre Julliard Sep 24, 2020
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

write_msft.c tools/widl/write_msft.c +2 -1

No files found.
--- a/tools/widl/write_msft.c
+++ b/tools/widl/write_msft.c
@@ -2560,7 +2560,8 @@ static void set_lib_flags(msft_typelib_t *typelib)
 static void ctl2_write_segment(msft_typelib_t *typelib, int segment)
 {
-    put_data(typelib->typelib_segment_data[segment], typelib->typelib_segdir[segment].length);
+    if (typelib->typelib_segment_data[segment])
+        put_data(typelib->typelib_segment_data[segment], typelib->typelib_segdir[segment].length);
 }
 static void ctl2_finalize_typeinfos(msft_typelib_t *typelib, int filesize)