From 5dddb8148b1b03724e670d3870b8029be79e9449 Mon Sep 17 00:00:00 2001
From: Bruce Evans <bde@FreeBSD.org>
Date: Sat, 25 Feb 1995 16:06:07 +0000
Subject: [PATCH] Don't attempt to lstat() the POSIXLY invalid empty pathname.

realpath() still accepts "" as an arg and converts it to a canonical
pathname for the current directory.
---
 lib/libc/stdlib/realpath.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libc/stdlib/realpath.c b/lib/libc/stdlib/realpath.c
index 20efabdd28c0..28380d72183a 100644
--- a/lib/libc/stdlib/realpath.c
+++ b/lib/libc/stdlib/realpath.c
@@ -98,7 +98,7 @@ realpath(path, resolved)
 		p = resolved;
 
 	/* Deal with the last component. */
-	if (lstat(p, &sb) == 0) {
+	if (*p != '\0' && lstat(p, &sb) == 0) {
 		if (S_ISLNK(sb.st_mode)) {
 			n = readlink(p, resolved, MAXPATHLEN);
 			if (n < 0)