From 72816136a57adbd051c688ee3213fa9446ea48f6 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Mon, 7 Feb 2022 06:48:10 +0800
Subject: vim-patch:8.2.3939: MS-Windows: fnamemodify('', ':p') does not work

Problem:    MS-Windows: fnamemodify('', ':p') does not work.
Solution:   Do not consider an empty string a full path. (Yegappan Lakshmanan,
            closes vim/vim#9428, closes vim/vim#9427)
https://github.com/vim/vim/commit/5a664fe57fe7ba65a771bc95ef1c205e4db193b7
---
 src/nvim/path.c                       | 2 +-
 src/nvim/testdir/test_fnamemodify.vim | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/nvim/path.c b/src/nvim/path.c
index 54170e7a8b..7f7f941e26 100644
--- a/src/nvim/path.c
+++ b/src/nvim/path.c
@@ -2403,7 +2403,7 @@ int path_is_absolute(const char_u *fname)
 {
 #ifdef WIN32
   if (*fname == NUL) {
-    return true;
+    return false;
   }
   // A name like "d:/foo" and "//server/share" is absolute
   return ((isalpha(fname[0]) && fname[1] == ':' && vim_ispathsep_nocolon(fname[2]))
diff --git a/src/nvim/testdir/test_fnamemodify.vim b/src/nvim/testdir/test_fnamemodify.vim
index 73ede415ae..5ae2a5ee17 100644
--- a/src/nvim/testdir/test_fnamemodify.vim
+++ b/src/nvim/testdir/test_fnamemodify.vim
@@ -29,6 +29,7 @@ func Test_fnamemodify()
   call assert_equal('fb2.tar.gz', fnamemodify('abc.fb2.tar.gz', ':e:e:e'))
   call assert_equal('fb2.tar.gz', fnamemodify('abc.fb2.tar.gz', ':e:e:e:e'))
   call assert_equal('tar', fnamemodify('abc.fb2.tar.gz', ':e:e:r'))
+  call assert_equal(getcwd(), fnamemodify('', ':p:h'))
 
   let cwd = getcwd()
   call chdir($HOME)
-- 
cgit