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vim-patch:9.1.0692: Wrong patlen value in ex_substitute() (#30131)

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Problem:  Wrong patlen value in ex_substitute() (after 9.1.0426).
Solution: Compute patlen after finding end separator.
          (zeertzjq)

Add a more explicit test.  The test already passes as the only case
where a overlarge patlen value matters was fixed by patch 9.1.0689.

closes: vim/vim#15565

d1c8d2de4b
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zeertzjq 2024-08-24 18:19:24 +08:00 committed by GitHub
parent bb4b6b427c
commit 91ce0c3ddd
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2 changed files with 32 additions and 1 deletions
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2
src/nvim/ex_cmds.c
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@ -3378,12 +3378,12 @@ static int do_sub(exarg_T *eap, const proftime_T timeout, const int cmdpreview_n
which_pat = RE_LAST; // use last used regexp
delimiter = (uint8_t)(*cmd++); // remember delimiter character
pat = cmd; // remember start of search pat
patlen = strlen(pat);
cmd = skip_regexp_ex(cmd, delimiter, magic_isset(), &eap->arg, NULL, NULL);
if (cmd[0] == delimiter) { // end delimiter found
*cmd++ = NUL; // replace it with a NUL
has_second_delim = true;
}
patlen = strlen(pat);
}
// Small incompatibility: vi sees '\n' as end of the command, but in

31
test/old/testdir/test_search.vim
View File

@ -1668,6 +1668,37 @@ func Test_search_with_no_last_pat()
call delete('Xresult')
endfunc
" Test for using the last substitute pattern without last search pattern.
func Test_search_with_last_substitute_pat()
let lines =<< trim [SCRIPT]
new
set shortmess+=S
call setline(1, repeat(['foofoo'], 3))
%s/foo/bar/
call assert_equal(repeat(['barfoo'], 3), getline(1, '$'))
call cursor(1, 1)
call assert_equal("/foo", execute('call feedkeys("/\r", "tx")', '')->trim())
call assert_equal([0, 1, 4, 0], getpos('.'))
if has('rightleft')
set rightleft rightleftcmd=search
call cursor(1, 1)
call assert_equal("oof/", execute('call feedkeys("/\r", "tx")', '')->trim())
call assert_equal([0, 1, 4, 0], getpos('.'))
endif
call writefile(v:errors, 'Xresult')
qall!
[SCRIPT]
call writefile(lines, 'Xscript', 'D')
if RunVim([], [], '--clean -S Xscript')
call assert_equal([], readfile('Xresult'))
endif
call delete('Xresult')
endfunc
" Test for using tilde (~) atom in search. This should use the last used
" substitute pattern
func Test_search_tilde_pat()