From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 9 Oct 2017 17:47:56 +0000 (-0700)
Subject: Fix PWD check on DOS_NT
X-Git-Tag: emacs-26.0.90~27
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f352d0257c;p=emacs.git

Fix PWD check on DOS_NT

* src/sysdep.c (get_current_dir_name_or_unreachable):
Do not consider a file name like "a:b" to be absolute on DOS_NT.
---

diff --git a/src/sysdep.c b/src/sysdep.c
index 6d24b7fa2b1..dd0062b6f04 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -274,8 +274,8 @@ get_current_dir_name_or_unreachable (void)
      sometimes a nicer name, and using it may avoid a fatal error if a
      parent directory is searchable but not readable.  */
   if (pwd
-      && (IS_DIRECTORY_SEP (*pwd) || (*pwd && IS_DEVICE_SEP (pwd[1])))
       && (pwdlen = strlen (pwd)) < bufsize_max
+      && IS_DIRECTORY_SEP (pwd[pwdlen && IS_DEVICE_SEP (pwd[1]) ? 2 : 0])
       && stat (pwd, &pwdstat) == 0
       && stat (".", &dotstat) == 0
       && dotstat.st_ino == pwdstat.st_ino