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diff src/globals.h @ 25690:cb0868062915 v8.2.3381

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patch 8.2.3381: crash when using NULL list with sign functions Commit: https://github.com/vim/vim/commit/5c56da4de8398566ef96122db44ec93e6c2d483a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 28 14:42:25 2021 +0200 patch 8.2.3381: crash when using NULL list with sign functions Problem: Crash when using NULL list with sign functions. Solution: Handle a NULL list like an empty list. (issue https://github.com/vim/vim/issues/8260)
author Bram Moolenaar <Bram@vim.org>
date Sat, 28 Aug 2021 14:45:03 +0200
parents f8bcd21e6e24
children 16a7d1154be8
line wrap: on
line diff
--- a/src/globals.h
+++ b/src/globals.h
@@ -1902,7 +1902,7 @@ EXTERN int channel_need_redraw INIT(= FA
 #endif
 
 #define FOR_ALL_LIST_ITEMS(l, li) \
-    for ((li) = (l)->lv_first; (li) != NULL; (li) = (li)->li_next)
+    for ((li) = (l) == NULL ? NULL : (l)->lv_first; (li) != NULL; (li) = (li)->li_next)
 
 // While executing a regexp and set to OPTION_MAGIC_ON or OPTION_MAGIC_OFF this
 // overrules p_magic.  Otherwise set to OPTION_MAGIC_NOT_SET.