From b36d61d33ece9afa32733bbcc7def4cb4afc4856 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Sat, 8 Nov 2003 06:33:36 +0000
Subject: Fix up several errors related to filename length and errno that
 showed up while running the latest LTP testsuite.  -Erik

---
 libc/misc/ftw/ftw.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'libc/misc/ftw')

diff --git a/libc/misc/ftw/ftw.c b/libc/misc/ftw/ftw.c
index 833821f22..605e07cd5 100644
--- a/libc/misc/ftw/ftw.c
+++ b/libc/misc/ftw/ftw.c
@@ -492,11 +492,14 @@ ftw_startup (const char *dir, int is_nftw, void *func, int descriptors, int flag
     char *cp;
 
     /* First make sure the parameters are reasonable.  */
-    if (dir[0] == '\0')
-    {
+    if (unlikely(dir==NULL || *dir=='\0')) {
 	__set_errno (ENOENT);
 	return -1;
     }
+    if ((strlen(dir)+1) > NAME_MAX) {
+	__set_errno(ENAMETOOLONG);
+	return -1;
+    }
 
     data.maxdir = descriptors < 1 ? 1 : descriptors;
     data.actdir = 0;
-- 
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