From 009d482fd16aa1960458660ee803f23449e2c3a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Fri, 15 Nov 2019 10:43:41 +0000
Subject: [PATCH] Be careful with dirname()
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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
---
 src/ctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ctl.c b/src/ctl.c
index b094862..f52a2b2 100644
--- a/src/ctl.c
+++ b/src/ctl.c
@@ -34,8 +34,9 @@ ctl_rundir(char *dst, size_t size)
             continue;
 
         memcpy(path, dst, ret + 1);
+        char *p = dirname(path);
 
-        if (!access(dirname(path), W_OK))
+        if (p && !access(p, W_OK))
             return dst;
     }