From 67750f916fdc0406f3ea9313993452d9148819e2 Mon Sep 17 00:00:00 2001
From: FRIGN <dev@frign.de>
Date: Thu, 14 Aug 2014 13:58:36 +0200
Subject: [PATCH] check for len(reqbuf) = 0

Probably never the case, but we want to cleanly catch this error
instead of bringing up a segfault with reqbuf[-1].
---
 quark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quark.c b/quark.c
index 121ecee..4fb065d 100644
--- a/quark.c
+++ b/quark.c
@@ -273,7 +273,7 @@ responsedir(void) {
 	size_t len = strlen(reqbuf);
 	DIR *d;
 
-	if ((reqbuf[len - 1] != '/') && (len + 1 < MAXBUFLEN)) {
+	if (len && (reqbuf[len - 1] != '/') && (len + 1 < MAXBUFLEN)) {
 		/* add directory terminator if necessary */
 		reqbuf[len] = '/';
 		reqbuf[len + 1] = 0;