From c5972df7d5a397e3e39a3b619db9b2a695e40373 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Fri, 5 Feb 2016 17:46:07 +0100
Subject: [PATCH] vboxDumpDisplay: remove suspicious strlen

The return type of strlen is 'size_t', which is unsigned and therefore
never less than zero.

Use STREQ to make the check obvious.
---
 src/vbox/vbox_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 72938e9f62..38813963dc 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -3336,7 +3336,7 @@ vboxDumpDisplay(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
             VBOX_UTF16_TO_UTF8(valueDisplayUtf16, &valueDisplayUtf8);
             VBOX_UTF16_FREE(valueDisplayUtf16);
 
-            if (strlen(valueDisplayUtf8) <= 0)
+            if (STREQ(valueDisplayUtf8, ""))
                 VBOX_UTF8_FREE(valueDisplayUtf8);
         }