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patch 9.1.0006: is*() and to*() function may be unsafe Commit: https://github.com/vim/vim/commit/184f71cc6868a240dc872ed2852542bbc1d43e28 Author: Keith Thompson <Keith.S.Thompson@gmail.com> Date: Thu Jan 4 21:19:04 2024 +0100 patch 9.1.0006: is*() and to*() function may be unsafe Problem: is*() and to*() function may be unsafe Solution: Add SAFE_* macros and start using those instead (Keith Thompson) Use SAFE_() macros for is*() and to*() functions The standard is*() and to*() functions declared in <ctype.h> have undefined behavior for negative arguments other than EOF. If plain char is signed, passing an unchecked value from argv for from user input to one of these functions has undefined behavior. Solution: Add SAFE_*() macros that cast the argument to unsigned char. Most implementations behave sanely for negative arguments, and most character values in practice are non-negative, but it's still best to avoid undefined behavior. The change from #13347 has been omitted, as this has already been separately fixed in commit ac709e2fc0db6d31abb7da96f743c40956b60c3a (v9.0.2054) fixes: #13332 closes: #13347 Signed-off-by: Keith Thompson <Keith.S.Thompson@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 04 Jan 2024 21:30:04 +0100
parents fed9c5ffde42
children 7ed07817c287
line wrap: on
line source

" Test the :compiler command

source check.vim
source shared.vim

func Test_compiler()
  CheckExecutable perl
  CheckFeature quickfix

  let save_LC_ALL = $LC_ALL
  let $LC_ALL= "C"

  " %:S does not work properly with 'shellslash' set
  let save_shellslash = &shellslash
  set noshellslash

  e Xfoo.pl
  compiler perl
  call assert_equal('perl', b:current_compiler)
  call assert_fails('let g:current_compiler', 'E121:')

  let verbose_efm = execute('verbose set efm')
  call assert_match('Last set from .*[/\\]compiler[/\\]perl.vim ', verbose_efm)

  call setline(1, ['#!/usr/bin/perl -w', 'use strict;', 'my $foo=1'])
  w!
  call feedkeys(":make\<CR>\<CR>", 'tx')
  call assert_fails('clist', 'E42:')

  call setline(1, ['#!/usr/bin/perl -w', 'use strict;', '$foo=1'])
  w!
  call feedkeys(":make\<CR>\<CR>", 'tx')
  let a=execute('clist')
  call assert_match('\n \d\+ Xfoo.pl:3: Global symbol "$foo" '
  \ .               'requires explicit package name', a)


  let &shellslash = save_shellslash
  call delete('Xfoo.pl')
  bw!
  let $LC_ALL = save_LC_ALL
endfunc

func GetCompilerNames()
  return glob('$VIMRUNTIME/compiler/*.vim', 0, 1)
        \ ->map({i, v -> substitute(v, '.*[\\/]\([a-zA-Z0-9_\-]*\).vim', '\1', '')})
        \ ->sort()
endfunc

func Test_compiler_without_arg()
  let runtime = substitute($VIMRUNTIME, '\\', '/', 'g')
  let a = split(execute('compiler'))
  let exp = GetCompilerNames()
  call assert_match(runtime .. '/compiler/' .. exp[0] .. '.vim$',  a[0])
  call assert_match(runtime .. '/compiler/' .. exp[1] .. '.vim$',  a[1])
  call assert_match(runtime .. '/compiler/' .. exp[-1] .. '.vim$', a[-1])
endfunc

" Test executing :compiler from the command line, not from a script
func Test_compiler_commandline()
  call system(GetVimCommandClean() .. ' --not-a-term -c "compiler gcc" -c "call writefile([b:current_compiler], ''XcompilerOut'')" -c "quit"')
  call assert_equal(0, v:shell_error)
  call assert_equal(["gcc"], readfile('XcompilerOut'))

  call delete('XcompilerOut')
endfunc

func Test_compiler_completion()
  let clist = GetCompilerNames()->join(' ')
  call feedkeys(":compiler \<C-A>\<C-B>\"\<CR>", 'tx')
  call assert_match('^"compiler ' .. clist .. '$', @:)

  call feedkeys(":compiler p\<C-A>\<C-B>\"\<CR>", 'tx')
  call assert_match('"compiler pbx perl\( p[a-z]\+\)\+ pylint pyunit', @:)

  call feedkeys(":compiler! p\<C-A>\<C-B>\"\<CR>", 'tx')
  call assert_match('"compiler! pbx perl\( p[a-z]\+\)\+ pylint pyunit', @:)
endfunc

func Test_compiler_error()
  let g:current_compiler = 'abc'
  call assert_fails('compiler doesnotexist', 'E666:')
  call assert_equal('abc', g:current_compiler)
  call assert_fails('compiler! doesnotexist', 'E666:')
  unlet! g:current_compiler
endfunc

" vim: shiftwidth=2 sts=2 expandtab