# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 2008-09-10 20:37:07
# Node ID bdc8d00c4ffa41fd4eb6352046efb67f863f364a
# Parent  75ce89ed3b6e0789f4d95017b34d6d1060cc5d92

osutil: proper error checking and reporting

diff --git a/mercurial/osutil.c b/mercurial/osutil.c
--- a/mercurial/osutil.c
+++ b/mercurial/osutil.c
@@ -255,7 +255,8 @@ static PyObject *listdir(PyObject *self,
 
 #ifdef AT_SYMLINK_NOFOLLOW
 	dfd = open(path, O_RDONLY);
-	dir = fdopendir(dfd);
+	if (dfd != -1)
+		dir = fdopendir(dfd);
 #else
 	dir = opendir(path);
 	dfd = -1;