From: Aki Tuomi <cmouse@desteem.org>
Date: Thu, 19 Nov 2015 08:41:58 +0000 (+0200)
Subject: Add valueOrEmpty
X-Git-Tag: dnsdist-1.0.0-alpha1~210^2~4^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3555371a7dbe41bc7838f4a04a41427dfe042a84;p=thirdparty%2Fpdns.git

Add valueOrEmpty
---

diff --git a/pdns/misc.hh b/pdns/misc.hh
index eea3b4a9a0..6bad9151e5 100644
--- a/pdns/misc.hh
+++ b/pdns/misc.hh
@@ -636,3 +636,9 @@ const T& defTer(const T& a, const T& b)
 {
   return a ? a : b;
 }
+
+template<typename P, typename T>
+T valueOrEmpty(const P val) {
+  if (!val) return T{};
+  return T(val);
+}