Commit: patch 9.1.0567: Cannot use relative paths as findfile() stop directories

[Christian Brabandt]

patch 9.1.0567: Cannot use relative paths as findfile() stop directories

Commit: https://github.com/vim/vim/commit/764526e2799fbed040fc867858ee2eb0677afe98
Author: zeertzjq <zeer...@outlook.com>
Date: Thu Jul 11 22:24:15 2024 +0200

patch 9.1.0567: Cannot use relative paths as findfile() stop directories

Problem: Cannot use relative paths as findfile() stop directories.
Solution: Change a relative path to an absolute path.
(zeertzjq)

related: #15200
closes: #15202

Signed-off-by: zeertzjq <zeer...@outlook.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/findfile.c b/src/findfile.c
index 149f7c685..d1cd5f061 100644
--- a/src/findfile.c
+++ b/src/findfile.c
@@ -418,6 +418,7 @@ vim_findfile_init(
{
char_u *helper;
void *ptr;
+ size_t len;

helper = walker;
ptr = vim_realloc(search_ctx->ffsc_stopdirs_v,
@@ -428,18 +429,21 @@ vim_findfile_init(
// ignore, keep what we have and continue
break;
walker = vim_strchr(walker, ';');
- if (walker)
+ len = walker ? (size_t)(walker - helper) : STRLEN(helper);
+ // "" means ascent till top of directory tree.
+ if (*helper != NUL && !vim_isAbsName(helper)
+ && len + 1 < MAXPATHL)
{
+ // Make the stop dir an absolute path name.
+ vim_strncpy(ff_expand_buffer, helper, len);
search_ctx->ffsc_stopdirs_v[dircount-1] =
- vim_strnsave(helper, walker - helper);
- walker++;
+ FullName_save(ff_expand_buffer, FALSE);
}
else
- // this might be "", which means ascent till top
- // of directory tree.
search_ctx->ffsc_stopdirs_v[dircount-1] =
- vim_strsave(helper);
-
+ vim_strnsave(helper, len);
+ if (walker)
+ walker++;
dircount++;

} while (walker != NULL);
diff --git a/src/testdir/test_findfile.vim b/src/testdir/test_findfile.vim
index 89e583afa..9247a813d 100644
--- a/src/testdir/test_findfile.vim
+++ b/src/testdir/test_findfile.vim
@@ -98,12 +98,25 @@ func Test_findfile()

" Test upwards search with stop-directory.
cd Xdir2
+ let l = findfile('bar', ';' . save_dir . '/Xfinddir1/Xdir2/Xdir3/', -1)
+ call assert_equal(1, len(l))
+ call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
+ let l = findfile('bar', ';' . save_dir . '/Xfinddir1/Xdir2/Xdir3', -1)
+ call assert_equal(1, len(l))
+ call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
+ let l = findfile('bar', ';../', -1)
+ call assert_equal(1, len(l))
+ call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
+
let l = findfile('bar', ';' . save_dir . '/Xfinddir1/Xdir2/', -1)
call assert_equal(1, len(l))
call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
let l = findfile('bar', ';' . save_dir . '/Xfinddir1/Xdir2', -1)
call assert_equal(1, len(l))
call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
+ let l = findfile('bar', ';../../', -1)
+ call assert_equal(1, len(l))
+ call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])

let l = findfile('bar', ';' . save_dir . '/Xfinddir1/', -1)
call assert_equal(2, len(l))
@@ -113,6 +126,10 @@ func Test_findfile()
call assert_equal(2, len(l))
call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
call assert_match('.*/Xfinddir1/bar', l[1])
+ let l = findfile('bar', ';../../../', -1)
+ call assert_equal(2, len(l))
+ call assert_match('.*/Xfinddir1/Xdir2/Xdir3/bar', l[0])
+ call assert_match('.*/Xfinddir1/bar', l[1])

" Test combined downwards and upwards search from Xdir2/.
cd ../..
diff --git a/src/testdir/test_taglist.vim b/src/testdir/test_taglist.vim
index 136acb3dc..8e0797252 100644
--- a/src/testdir/test_taglist.vim
+++ b/src/testdir/test_taglist.vim
@@ -146,6 +146,15 @@ func Test_tagfiles_stopdir()
let &tags = './Xtags;' .. fnamemodify('./..', ':p')
call assert_equal(0, len(tagfiles()))

+ let &tags = './Xtags;../'
+ call assert_equal(0, len(tagfiles()))
+
+ cd ..
+ call assert_equal(1, len(tagfiles()))
+
+ cd ..
+ call assert_equal(1, len(tagfiles()))
+
set tags&
call chdir(save_cwd)
endfunc
diff --git a/src/version.c b/src/version.c
index 4e14bf18f..c7499bb3f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 567,
/**/
566,
/**/