fts: fix errno handling if dirfd fails

* lib/fts.c (fts_build): Use proper errno if dirfd failed.
Although I don’t know of any platform where dirfd can fail here,
we might as well get it right.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/fts.c b/lib/fts.c
index 954cbb7b40..5811f6ea20 100644
--- a/lib/fts.c
+++ b/lib/fts.c
@@ -1290,11 +1290,12 @@ fts_build (register FTS *sp, int type)
             dir_fd = dirfd (dp);
             if (dir_fd < 0)
               {
+                int dirfd_errno = errno;
                 closedir_and_clear (cur->fts_dirp);
                 if (type == BREAD)
                   {
                     cur->fts_info = FTS_DNR;
-                    cur->fts_errno = errno;
+                    cur->fts_errno = dirfd_errno;
                   }
                 return NULL;
               }