1 files changed, 52 insertions, 0 deletions
diff --git a/plugin/handler_socket/libhsclient/auto_addrinfo.hpp b/plugin/handler_socket/libhsclient/auto_addrinfo.hpp
new file mode 100644
index 00000000..f9db70fe
--- /dev/null
+++ b/plugin/handler_socket/libhsclient/auto_addrinfo.hpp
@@ -0,0 +1,52 @@
+
+// vim:sw=2:ai
+
+/*
+ * Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
+ * See COPYRIGHT.txt for details.
+ */
+
+#ifndef DENA_AUTO_ADDRINFO_HPP
+#define DENA_AUTO_ADDRINFO_HPP
+
+#include <my_global.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <string.h>
+#include "util.hpp"
+
+typedef SOCKET_SIZE_TYPE size_socket;
+
+namespace dena {
+
+struct auto_addrinfo : private noncopyable {
+  auto_addrinfo() : addr(0) { }
+  ~auto_addrinfo() {
+    reset();
+  }
+  void reset(addrinfo *a = 0) {
+    if (addr != 0) {
+      freeaddrinfo(addr);
+    }
+    addr = a;
+  }
+  const addrinfo *get() const { return addr; }
+  int resolve(const char *node, const char *service, int flags = 0,
+    int family = AF_UNSPEC, int socktype = SOCK_STREAM, int protocol = 0) {
+    addrinfo hints;
+    reset();
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_flags = flags;
+    hints.ai_family = family;
+    hints.ai_socktype = socktype;
+    hints.ai_protocol = protocol;
+    return getaddrinfo(node, service, &hints, &addr);
+  }
+ private:
+  addrinfo *addr;
+};
+
+};
+
+#endif
+