From a5c4e4a629f399badba12f4e13506b934af83858 Mon Sep 17 00:00:00 2001
From: Aki Tuomi <cmouse@desteem.org>
Date: Sat, 12 Dec 2015 10:03:24 +0200
Subject: [PATCH] Add pdns_stou

---
 pdns/misc.cc | 11 ++++++++++-
 pdns/misc.hh |  2 ++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/pdns/misc.cc b/pdns/misc.cc
index c6a18ebad..a7b18c90e 100644
--- a/pdns/misc.cc
+++ b/pdns/misc.cc
@@ -1236,7 +1236,6 @@ double DiffTime(const struct timeval& first, const struct timeval& second)
   return seconds + useconds/1000000.0;
 }
 
-
 uid_t strToUID(const string &str)
 {
   uid_t result = 0;
@@ -1285,3 +1284,13 @@ gid_t strToGID(const string &str)
   return result;
 }
 
+unsigned int pdns_stou(const std::string& str, size_t * idx, int base);
+{
+  if (str.empty()) return 0; // compability
+  unsigned long result = std::stoul(str, idx, base);
+  if (result > std::numeric_limits<unsigned int>::max()) {
+    throw std::out_of_range("stou");
+  }
+  return static_cast<unsigned int>(result);
+}
+
diff --git a/pdns/misc.hh b/pdns/misc.hh
index 18e1dc2ee..14b887b95 100644
--- a/pdns/misc.hh
+++ b/pdns/misc.hh
@@ -658,3 +658,5 @@ double DiffTime(const struct timespec& first, const struct timespec& second);
 double DiffTime(const struct timeval& first, const struct timeval& second);
 uid_t strToUID(const string &str);
 gid_t strToGID(const string &str);
+
+unsigned int pdns_stou(const std::string& str, size_t * idx = 0, int base = 10);
-- 
2.40.0