From cd9ca700e5053f8a9666c917310dcc39651e3bfa Mon Sep 17 00:00:00 2001 From: zeertzjq Date: Sat, 13 May 2023 22:39:28 +0800 Subject: vim-patch:9.0.0598: using negative array index with negative width window Problem: Using negative array index with negative width window. Solution: Make sure the window width does not become negative. https://github.com/vim/vim/commit/8279af514ca7e5fd3c31cf13b0864163d1a0bfeb Co-authored-by: Bram Moolenaar --- test/old/testdir/test_cmdwin.vim | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'test') diff --git a/test/old/testdir/test_cmdwin.vim b/test/old/testdir/test_cmdwin.vim index 4284f0f58d..f948d46be1 100644 --- a/test/old/testdir/test_cmdwin.vim +++ b/test/old/testdir/test_cmdwin.vim @@ -41,5 +41,27 @@ func Test_cmdwin_freed_buffer_ptr() bwipe! endfunc +" This was resulting in a window with negative width. +" The test doesn't reproduce the illegal memory access though... +func Test_cmdwin_split_often() + let lines = &lines + let columns = &columns + set t_WS= + + try + " set encoding=iso8859 + set ruler + winsize 0 0 + noremap 0 H + sil norm 0000000q: + catch /E36:/ + endtry + + bwipe! + set encoding=utf8 + let &lines = lines + let &columns = columns +endfunc + " vim: shiftwidth=2 sts=2 expandtab -- cgit