MFC r262872: fts: Don't abort if an empty pathname is given.

Make fts_open(3) treat an empty pathname like any other pathname that cannot
be lstatted because of [ENOENT].

It is rather confusing if  rm -rf file1 "" file2  does not remove file1 and
file2.

PR:		bin/187264

1 files changed, 1 insertions, 5 deletions

diff --git a/lib/libc/gen/fts.c b/lib/libc/gen/fts.c
index d98a94b..3df96d4 100644
--- a/lib/libc/gen/fts.c
+++ b/lib/libc/gen/fts.c
@@ -161,11 +161,7 @@ fts_open(argv, options, compar)
 
 	/* Allocate/initialize root(s). */
 	for (root = NULL, nitems = 0; *argv != NULL; ++argv, ++nitems) {
-		/* Don't allow zero-length paths. */
-		if ((len = strlen(*argv)) == 0) {
-			errno = ENOENT;
-			goto mem3;
-		}
+		len = strlen(*argv);
 
 		p = fts_alloc(sp, *argv, len);
 		p->fts_level = FTS_ROOTLEVEL;