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vim-patch:9.0.1367: divide by zero in zero-width window

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Problem:    Divide by zero in zero-width window.
Solution:   Check the width is positive.

e0f8691969

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Luuk van Baal 2023-04-29 00:16:37 +02:00
parent 4e4383ffa2
commit 7d5673b18b
2 changed files with 30 additions and 11 deletions
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2
src/nvim/move.c
View File

@ -1303,7 +1303,7 @@ bool scrolldown(long line_count, int byfold)
col -= width1;
row++;
}
if (col > width2) {
if (col > width2 && width2 > 0) {
row += (int)col / width2;
col = col % width2;
}

39
test/old/testdir/test_window_cmd.vim
View File

@ -1734,7 +1734,7 @@ func Test_splitkeep_options()
" let &t_WS = save_WS
endfunc
function Test_splitkeep_cmdwin_cursor_position()
func Test_splitkeep_cmdwin_cursor_position()
set splitkeep=screen
call setline(1, range(&lines))
@ -1759,9 +1759,9 @@ function Test_splitkeep_cmdwin_cursor_position()
%bwipeout!
set splitkeep&
endfunction
endfunc
function Test_splitkeep_misc()
func Test_splitkeep_misc()
set splitkeep=screen
set splitbelow
@ -1794,7 +1794,7 @@ function Test_splitkeep_misc()
set splitkeep&
endfunc
function Test_splitkeep_callback()
func Test_splitkeep_callback()
CheckScreendump
let lines =<< trim END
set splitkeep=screen
@ -1827,7 +1827,7 @@ function Test_splitkeep_callback()
call StopVimInTerminal(buf)
endfunc
function Test_splitkeep_fold()
func Test_splitkeep_fold()
CheckScreendump
let lines =<< trim END
@ -1857,9 +1857,9 @@ function Test_splitkeep_fold()
call VerifyScreenDump(buf, 'Test_splitkeep_fold_4', {})
call StopVimInTerminal(buf)
endfunction
endfunc
function Test_splitkeep_status()
func Test_splitkeep_status()
CheckScreendump
let lines =<< trim END
@ -1877,9 +1877,9 @@ function Test_splitkeep_status()
call VerifyScreenDump(buf, 'Test_splitkeep_status_1', {})
call StopVimInTerminal(buf)
endfunction
endfunc
function Test_new_help_window_on_error()
func Test_new_help_window_on_error()
help change.txt
execute "normal! /CTRL-@\<CR>"
silent! execute "normal! \<C-W>]"
@ -1889,7 +1889,26 @@ function Test_new_help_window_on_error()
call assert_equal(wincount, winnr('$'))
call assert_equal(expand("<cword>"), "'mod'")
endfunction
endfunc
func Test_smoothscroll_in_zero_width_window()
let save_lines = &lines
let save_columns = &columns
winsize 0 24
set cpo+=n
exe "noremap 0 \<C-W>n\<C-W>L"
norm 000000
set number smoothscroll
exe "norm \<C-Y>"
only!
let &lines = save_lines
let &columns = save_columns
set cpo-=n
unmap 0
set nonumber nosmoothscroll
endfunc
" vim: shiftwidth=2 sts=2 expandtab