Patch 8.2.4214

[Bram Moolenaar]

Patch 8.2.4214
Problem: Illegal memory access with large 'tabstop' in Ex mode.
Solution: Allocate enough memory.
Files: src/ex_getln.c, src/testdir/test_ex_mode.vim


*** ../vim-8.2.4213/src/ex_getln.c 2022-01-15 18:25:04.657419390 +0000
--- src/ex_getln.c 2022-01-25 11:51:11.659890443 +0000
***************
*** 1513,1519 ****
ccline.cmdindent = (firstc > 0 ? indent : 0);

// alloc initial ccline.cmdbuff
! alloc_cmdbuff(exmode_active ? 250 : indent + 1);
if (ccline.cmdbuff == NULL)
return FAIL;
ccline.cmdlen = ccline.cmdpos = 0;
--- 1513,1519 ----
ccline.cmdindent = (firstc > 0 ? indent : 0);

// alloc initial ccline.cmdbuff
! alloc_cmdbuff(indent + 50);
if (ccline.cmdbuff == NULL)
return FAIL;
ccline.cmdlen = ccline.cmdpos = 0;
*** ../vim-8.2.4213/src/testdir/test_ex_mode.vim 2021-12-05 12:06:18.887815813 +0000
--- src/testdir/test_ex_mode.vim 2022-01-25 11:49:30.274452471 +0000
***************
*** 241,244 ****
--- 241,254 ----
call delete('Xexmodescript')
endfunc

+ func Test_ex_mode_large_indent()
+ new
+ set ts=500 ai
+ call setline(1, "\t")
+ exe "normal gQi\<CR>."
+ set ts=8 noai
+ bwipe!
+ endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.4213/src/version.c 2022-01-25 10:30:52.477915877 +0000
--- src/version.c 2022-01-25 10:45:35.059647140 +0000
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 4214,
/**/

--
Snoring is prohibited unless all bedroom windows are closed and securely
locked.
[real standing law in Massachusetts, United States of America]

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
\\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///