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annotate runtime/plugin/manpager.vim @ 34105:c4ad4778946c v9.1.0017

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patch 9.1.0017: [security]: use-after-free in eval1_emsg() Commit: https://github.com/vim/vim/commit/28d71b566a29ceea3a2d05bcee9264ed5d630d42 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Fri Jan 12 17:21:55 2024 +0100 patch 9.1.0017: [security]: use-after-free in eval1_emsg() Problem: use-after-free in eval1_emsg() when an empty line follows a lambda (by @yu3s) Solution: only set evalarg->eval_using_cmdline = FALSE when the *arg pointer is not null fixes: #13833 closes: #13841 Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Fri, 12 Jan 2024 17:30:06 +0100
parents a57db996dbe3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Vim plugin for using Vim as manpager.
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2 " Maintainer: Enno Nagel <ennonagel+vim@gmail.com>
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3 " Last Change: 2022 Oct 17
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4
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5 if exists('g:loaded_manpager_plugin')
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6 finish
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7 endif
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8 let g:loaded_manpager_plugin = 1
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9
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10 " Set up the current buffer (likely read from stdin) as a manpage
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11 command MANPAGER call s:ManPager()
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12
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13 function s:ManPager()
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14 " global options, keep these to a minimum to avoid side effects
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15 if &compatible
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16 set nocompatible
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17 endif
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18 if exists('+viminfofile')
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19 set viminfofile=NONE
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20 endif
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21 syntax on
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22
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23 " Make this an unlisted, readonly scratch buffer
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24 setlocal buftype=nofile noswapfile bufhidden=hide nobuflisted readonly
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25
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26 " Ensure text width matches window width
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27 setlocal foldcolumn& nofoldenable nonumber norelativenumber
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28
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29 " In case Vim was invoked with -M
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30 setlocal modifiable
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31
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32 " Emulate 'col -b'
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33 exe 'silent! keepj keepp %s/\v(.)\b\ze\1?//e' .. (&gdefault ? '' : 'g')
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34
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35 " Remove ansi sequences
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36 exe 'silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//e' .. (&gdefault ? '' : 'g')
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37
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38 " Remove empty lines above the header
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39 call cursor(1, 1)
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40 let n = search(".*(.*)", "c")
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41 if n > 1
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42 exe "1," . n-1 . "d"
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43 endif
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44
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45 " Finished preprocessing the buffer, prevent any further modifications
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46 setlocal nomodified nomodifiable
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47
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48 " Set filetype to man even if ftplugin is disabled
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49 setlocal filetype=man
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50 runtime ftplugin/man.vim
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51 endfunction