From dbee1b38b3fce2cab93c46157b9144bfab73cf87 Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Mon, 29 Jun 2015 10:21:28 -0700
Subject: Fix semantics of std::unique() to actually remove duplicates (hidden
 memory leak?)

---
 node/InetAddress.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'node/InetAddress.cpp')

diff --git a/node/InetAddress.cpp b/node/InetAddress.cpp
index 940a58b2..83de36d4 100644
--- a/node/InetAddress.cpp
+++ b/node/InetAddress.cpp
@@ -273,6 +273,39 @@ InetAddress InetAddress::broadcast() const
 	return r;
 }
 
+bool InetAddress::isNetwork() const
+	throw()
+{
+	switch(ss_family) {
+		case AF_INET: {
+			unsigned int bits = netmaskBits();
+			if (bits <= 0)
+				return false;
+			if (bits >= 32)
+				return false;
+			uint32_t ip = Utils::ntoh((uint32_t)reinterpret_cast<const struct sockaddr_in *>(this)->sin_addr.s_addr);
+			return ((ip & (0xffffffff >> bits)) == 0);
+		}
+		case AF_INET6: {
+			unsigned int bits = netmaskBits();
+			if (bits <= 0)
+				return false;
+			if (bits >= 128)
+				return false;
+			const unsigned char *ip = reinterpret_cast<const unsigned char *>(reinterpret_cast<const struct sockaddr_in6 *>(this)->sin6_addr.s6_addr);
+			unsigned int p = bits / 8;
+			if ((ip[p++] & (0xff >> (bits % 8))) != 0)
+				return false;
+			while (p < 16) {
+				if (ip[p++])
+					return false;
+			}
+			return true;
+		}
+	}
+	return false;
+}
+
 bool InetAddress::operator==(const InetAddress &a) const
 	throw()
 {
-- 
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