BIND 10 trac878, updated. 54aad8af04350eb3a45a4bd6623681efa2f8d2fb Add conversion to c-style strings to let Google Test build.

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- Log -----------------------------------------------------------------
commit 54aad8af04350eb3a45a4bd6623681efa2f8d2fb
Author: Shane Kerr <shane at isc.org>
Date:   Mon Sep 12 14:19:17 2011 +0200

    Add conversion to c-style strings to let Google Test build.

-----------------------------------------------------------------------

Summary of changes:
 src/lib/asiolink/io_address.h                 |    5 +++++
 src/lib/asiolink/tests/io_address_unittest.cc |    3 +++
 2 files changed, 8 insertions(+), 0 deletions(-)

-----------------------------------------------------------------------
diff --git a/src/lib/asiolink/io_address.h b/src/lib/asiolink/io_address.h
index 1b488fa..1a42da7 100644
--- a/src/lib/asiolink/io_address.h
+++ b/src/lib/asiolink/io_address.h
@@ -74,6 +74,11 @@ public:
     /// \return A string representation of the address.
     std::string toText() const;
 
+    /// \brief Convert the address to a C-style null-terminated string.
+    ///
+    /// \return A string representation of the address.
+    operator const char*() const { return toText().c_str(); }
+
     /// \brief Returns const reference to the underlying address object.
     ///
     /// This is useful, when access to interface offerted by
diff --git a/src/lib/asiolink/tests/io_address_unittest.cc b/src/lib/asiolink/tests/io_address_unittest.cc
index 18b181e..b2a0dcc 100644
--- a/src/lib/asiolink/tests/io_address_unittest.cc
+++ b/src/lib/asiolink/tests/io_address_unittest.cc
@@ -18,11 +18,14 @@
 #include <asiolink/io_error.h>
 #include <asiolink/io_address.h>
 
+#include <cstring>
+
 using namespace isc::asiolink;
 
 TEST(IOAddressTest, fromText) {
     IOAddress io_address_v4("192.0.2.1");
     EXPECT_EQ("192.0.2.1", io_address_v4.toText());
+    EXPECT_EQ(0, strcmp("192.0.2.1", (const char *)io_address_v4));
 
     IOAddress io_address_v6("2001:db8::1234");
     EXPECT_EQ("2001:db8::1234", io_address_v6.toText());