Patch 8.2.1702
Problem: Crash when using undo after deleting folded lines.
Solution: Check for NULL pointer. (closes #6968)
Files: src/fold.c, src/testdir/test_fold.vim
*** ../vim-8.2.1701/src/fold.c 2020-09-01 21:20:11.918075824 +0200
--- src/fold.c 2020-09-17 19:34:24.462489494 +0200
***************
*** 2422,2429 ****
&& flp->lvl > 0)
{
(void)foldFind(gap, startlnum - 1, &fp);
! if (fp >= ((fold_T *)gap->ga_data) + gap->ga_len
! || fp->fd_top >= startlnum)
fp = NULL;
}
--- 2422,2429 ----
&& flp->lvl > 0)
{
(void)foldFind(gap, startlnum - 1, &fp);
! if (fp != NULL && (fp >= ((fold_T *)gap->ga_data) + gap->ga_len
! || fp->fd_top >= startlnum))
fp = NULL;
}
*** ../vim-8.2.1701/src/testdir/test_fold.vim 2020-08-12 18:50:31.879655802
+0200
--- src/testdir/test_fold.vim 2020-09-17 19:33:52.658598036 +0200
***************
*** 816,819 ****
--- 816,838 ----
close!
endfunc
+ func Test_undo_fold_deletion()
+ new
+ set fdm=marker
+ let lines =<< trim END
+ " {{{
+ " }}}1
+ " {{{
+ END
+ call setline(1, lines)
+ 3d
+ g/"/d
+ undo
+ redo
+ eval getline(1, '$')->assert_equal([''])
+
+ set fdm&vim
+ bwipe!
+ endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.1701/src/version.c 2020-09-16 23:23:33.030882137 +0200
--- src/version.c 2020-09-17 19:32:42.686838498 +0200
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 1702,
/**/
--
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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