vsftpd/0029-Fix-segfault-in-config-file-parser.patch

From 34b9e1d10c6be736f1b20be8795c655446f38c5e Mon Sep 17 00:00:00 2001
From: Martin Sehnoutka <msehnout@redhat.com>
Date: Thu, 17 Nov 2016 13:14:55 +0100
Subject: [PATCH 29/33] Fix segfault in config file parser.

---
 str.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/str.c b/str.c
index 41b27db..82b8ae4 100644
--- a/str.c
+++ b/str.c
@@ -113,7 +113,7 @@ str_strdup_trimmed(const struct mystr* p_str)
   for (h = 0; h < (int)str_getlen(p_str) && vsf_sysutil_isspace(p_trimmed[h]); h++) ;
   for (t = str_getlen(p_str) - 1; t >= 0 && vsf_sysutil_isspace(p_trimmed[t]); t--) ;
   newlen = t - h + 1;
-  return newlen ? vsf_sysutil_strndup(p_trimmed+h, (unsigned int)newlen) : 0L;
+  return (newlen > 0) ? vsf_sysutil_strndup(p_trimmed+h, (unsigned int)newlen) : 0L;
 }
 
 void
-- 
2.7.4