From 06ca0b67f48839cc682e194512d69324d2965ddc Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 16 Sep 2015 03:19:53 +0000
Subject: [PATCH] * dir.c (glob_helper): check pathtype once again by lstat(2)
 if   dp->d_type is DT_UNKNOWN. XFS may return DT_UNKNOWN.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog |  5 +++++
 dir.c     | 11 +++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 67b7f59091..f7129956de 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 16 12:06:53 2015  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* dir.c (glob_helper): check pathtype once again by lstat(2) if
+	  dp->d_type is DT_UNKNOWN. XFS may return DT_UNKNOWN.
+
 Wed Sep 16 03:49:19 2015  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* test/ruby/test_thread.rb (TestThread#test_mutex_synchronize):
diff --git a/dir.c b/dir.c
index aed3ecaa03..178a478d80 100644
--- a/dir.c
+++ b/dir.c
@@ -1801,15 +1801,18 @@ glob_helper(
 	    }
 	    name = buf + pathlen + (dirsep != 0);
 	    if (recursive && dotfile < ((flags & FNM_DOTMATCH) ? 2 : 1)) {
+#ifdef DT_UNKNOWN
+		if ((new_pathtype = dp->d_type) != (rb_pathtype_t)DT_UNKNOWN)
+		    /* Got it. We need nothing more. */
+		    ;
+		else
+		    /* fall back to call lstat(2) */
+#endif
 		/* RECURSIVE never match dot files unless FNM_DOTMATCH is set */
-#ifndef DT_DIR
 		if (do_lstat(buf, &st, flags, enc) == 0)
 		    new_pathtype = IFTODT(st.st_mode);
 		else
 		    new_pathtype = path_noent;
-#else
-		new_pathtype = dp->d_type;
-#endif
 	    }
 
 	    new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, (end - beg) * 2);