Patch 8.2.1773
Problem: Crash when calling mapset() with a list as first argument.
Solution: Check for NULL. (closes #7040)
Files: src/map.c, src/testdir/test_maparg.vim
*** ../vim-8.2.1772/src/map.c 2020-09-02 22:25:31.717607993 +0200
--- src/map.c 2020-09-29 21:42:40.837160304 +0200
***************
*** 2304,2309 ****
--- 2304,2311 ----
char_u *arg;
which = tv_get_string_buf_chk(&argvars[0], buf);
+ if (which == NULL)
+ return;
mode = get_map_mode(&which, 0);
is_abbr = (int)tv_get_number(&argvars[1]);
*** ../vim-8.2.1772/src/testdir/test_maparg.vim 2020-09-27 22:47:01.884163380
+0200
--- src/testdir/test_maparg.vim 2020-09-29 21:44:03.244883055 +0200
***************
*** 238,243 ****
--- 238,245 ----
iunmap K
let &cpo = cpo_save
bwipe!
+
+ call assert_fails('call mapset([], v:false, {})', 'E730:')
endfunc
func Check_ctrlb_map(d, check_alt)
*** ../vim-8.2.1772/src/version.c 2020-09-29 21:23:17.881461813 +0200
--- src/version.c 2020-09-29 21:45:11.132657579 +0200
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 1773,
/**/
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