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view runtime/plugin/manpager.vim @ 17907:4cf69f8d1ec6 v8.1.1950

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patch 8.1.1950: using NULL pointer after an out-of-memory Commit: https://github.com/vim/vim/commit/4bbfb0f3cc67c00c8cee4e47283e8d760025219d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 31 15:28:02 2019 +0200 patch 8.1.1950: using NULL pointer after an out-of-memory Problem: Using NULL pointer after an out-of-memory. Solution: Check for NULL pointer. (Dominique Pelle, closes https://github.com/vim/vim/issues/4881)
author Bram Moolenaar <Bram@vim.org>
date Sat, 31 Aug 2019 15:30:04 +0200
parents 167a030448fa
children 29ec2c198c8d
line wrap: on
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" Vim plugin for using Vim as manpager.
" Maintainer: Enno Nagel <ennonagel+vim@gmail.com>
" Last Change: 2018 Feb 04

command! -nargs=0 MANPAGER call s:ManPager() | delcommand MANPAGER

function! s:ManPager()
  set nocompatible
  if exists('+viminfofile')
    set viminfofile=NONE
  endif
  set noswapfile 

  setlocal ft=man
  runtime ftplugin/man.vim
  setlocal buftype=nofile bufhidden=hide iskeyword+=: modifiable

  " Emulate 'col -b'
  silent keepj keepp %s/\v(.)\b\ze\1?//ge

  " Remove empty lines above the header
  call cursor(1, 1)
  let n = search(".*(.*)", "c")
  if n > 1
    exe "1," . n-1 . "d"
  endif
  setlocal nomodified readonly

  syntax on
endfunction