Mercurial > vim
view src/vimtutor @ 25267:c69ebc71bd85 v8.2.3170
patch 8.2.3170: Illegal memory access in test
Commit: https://github.com/vim/vim/commit/d8cee76b498507c48706f651aeb78b93b5376d00
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jul 15 23:15:59 2021 +0200
patch 8.2.3170: Illegal memory access in test
Problem: Illegal memory access in test.
Solution: Check pointer is not before the start of the line.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 15 Jul 2021 23:30:04 +0200 |
parents | 5eac31544dd0 |
children | d4faa2c5211b |
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#! /bin/sh # Start Vim on a copy of the tutor file. # Usage: vimtutor [-g] [xx] # Where optional argument -g starts vimtutor in gvim (GUI) instead of vim. # and xx is a language code like "es" or "nl". # When an argument is given, it tries loading that tutor. # When this fails or no argument was given, it tries using 'v:lang' # When that also fails, it uses the English version. # Vim could be called "vim" or "vi". Also check for "vimN", for people who # have Vim installed with its version number. # We anticipate up to a future Vim 8.1 version :-). seq="vim vim81 vim80 vim8 vim74 vim73 vim72 vim71 vim70 vim7 vim6 vi" if test "$1" = "-g"; then # Try to use the GUI version of Vim if possible, it will fall back # on Vim if Gvim is not installed. seq="gvim gvim81 gvim80 gvim8 gvim74 gvim73 gvim72 gvim71 gvim70 gvim7 gvim6 $seq" shift fi xx=$1 export xx # We need a temp file for the copy. First try using a standard command. tmp="${TMPDIR-/tmp}" TUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none` # If the standard commands failed then create a directory to put the copy in. # That is a secure way to make a temp file. if test "$TUTORCOPY" = none; then tmpdir=$tmp/vimtutor$$ OLD_UMASK=`umask` umask 077 getout=no mkdir $tmpdir || getout=yes umask $OLD_UMASK if test $getout = yes; then echo "Could not create directory for tutor copy, exiting." exit 1 fi TUTORCOPY=$tmpdir/tutorcopy touch $TUTORCOPY TODELETE=$tmpdir else TODELETE=$TUTORCOPY fi export TUTORCOPY # remove the copy of the tutor on exit trap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15 for i in $seq; do testvim=`which $i 2>/dev/null` if test -f "$testvim"; then VIM=$i break fi done # When no Vim version was found fall back to "vim", you'll get an error message # below. if test -z "$VIM"; then VIM=vim fi # Use Vim to copy the tutor, it knows the value of $VIMRUNTIME # The script tutor.vim tells Vim which file to copy $VIM -f -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim' # Start vim without any .vimrc, set 'nocompatible' and 'showcmd' $VIM -f -u NONE -c "set nocp showcmd" $TUTORCOPY