Patch 8.2.4359

[Bram Moolenaar]

Patch 8.2.4359
Problem: crash when repeatedly using :retab.
Solution: Bail out when the line is getting too long.
Files: src/indent.c, src/testdir/test_retab.vim


*** ../vim-8.2.4358/src/indent.c 2022-02-05 11:12:59.962281668 +0000
--- src/indent.c 2022-02-12 15:35:30.269684683 +0000
***************
*** 1750,1755 ****
--- 1750,1760 ----
if (ptr[col] == NUL)
break;
vcol += chartabsize(ptr + col, (colnr_T)vcol);
+ if (vcol >= MAXCOL)
+ {
+ emsg(_(e_resulting_text_too_long));
+ break;
+ }
if (has_mbyte)
col += (*mb_ptr2len)(ptr + col);
else
*** ../vim-8.2.4358/src/testdir/test_retab.vim 2021-09-04 17:47:25.184668070 +0100
--- src/testdir/test_retab.vim 2022-02-12 15:35:14.733707190 +0000
***************
*** 70,75 ****
--- 70,77 ----
call assert_equal(" a b c ", Retab('!', 3))
call assert_equal(" a b c ", Retab('', 5))
call assert_equal(" a b c ", Retab('!', 5))
+
+ set tabstop& expandtab&
endfunc

func Test_retab_error()
***************
*** 80,83 ****
--- 82,102 ----
call assert_fails('ret 80000000000000000000', 'E475:')
endfunc

+ func Test_retab_endless()
+ new
+ call setline(1, "\t0\t")
+ let caught = 'no'
+ try
+ while 1
+ set ts=4000
+ retab 4
+ endwhile
+ catch /E1240/
+ let caught = 'yes'
+ endtry
+ bwipe!
+ set tabstop&
+ endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.4358/src/version.c 2022-02-12 14:23:14.047444006 +0000
--- src/version.c 2022-02-12 15:12:27.915810579 +0000
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 4359,
/**/

--
Give a man a computer program and you give him a headache,
but teach him to program computers and you give him the power
to create headaches for others for the rest of his life...
R. B. Forest

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
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