From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Wed, 17 Nov 2004 15:33:45 +0000 (+0000)
Subject: paranoia when stripping trailing slashes from tempdir.
X-Git-Tag: SUDO_1_7_0~811
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=88ce50751ec3bc92e24b1318d3c8c1dc2e0cbf81;p=sudo

paranoia when stripping trailing slashes from tempdir.
---

diff --git a/sudo_edit.c b/sudo_edit.c
index 3d8d94089..d5e71ad88 100644
--- a/sudo_edit.c
+++ b/sudo_edit.c
@@ -91,7 +91,7 @@ int sudo_edit(argc, argv)
     else
 	tmpdir = _PATH_TMP;
     tmplen = strlen(tmpdir);
-    while (tmpdir[tmplen - 1] == '/')
+    while (tmplen > 0 && tmpdir[tmplen - 1] == '/')
 	tmplen--;
 
     /*