From 31fb1af807d319f0dba68d2695cc1f38d3aa6fb5 Mon Sep 17 00:00:00 2001
From: HanzZ <hanzz.k@gmail.com>
Date: Wed, 5 Sep 2012 18:06:33 +0200
Subject: [PATCH] include utils.h

---
 backends/libpurple/purple_defs.cpp |  4 +---
 backends/libpurple/utils.cpp       | 31 ++++++++++++++++++++++++++++++
 backends/libpurple/utils.h         |  4 ++++
 3 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/backends/libpurple/purple_defs.cpp b/backends/libpurple/purple_defs.cpp
index d21e3217..bca0c2ff 100644
--- a/backends/libpurple/purple_defs.cpp
+++ b/backends/libpurple/purple_defs.cpp
@@ -1,7 +1,5 @@
 #include "purple_defs.h"
-#include "transport/util.h"
-
-using namespace Transport::Util;
+#include "utils.h"
 
 #if PURPLE_RUNTIME
 
diff --git a/backends/libpurple/utils.cpp b/backends/libpurple/utils.cpp
index 4cb02509..5269e4eb 100644
--- a/backends/libpurple/utils.cpp
+++ b/backends/libpurple/utils.cpp
@@ -156,3 +156,34 @@ int create_socket(const char *host, int portno) {
 // 	fcntl(main_socket, F_SETFL, flags);
 	return main_socket;
 }
+
+#ifdef _WIN32
+std::wstring utf8ToUtf16(const std::string& str)
+{
+	try
+	{
+		if (str.empty())
+			return L"";
+
+		// First request the size of the required UTF-16 buffer
+		int numRequiredBytes = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), boost::numeric_cast<int>(str.size()), NULL, 0);
+		if (!numRequiredBytes)
+			return L"";
+
+		// Allocate memory for the UTF-16 string
+		std::vector<wchar_t> utf16Str(numRequiredBytes);
+
+		int numConverted = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), boost::numeric_cast<int>(str.size()), &utf16Str[0], numRequiredBytes);
+		if (!numConverted)
+			return L"";
+
+		std::wstring wstr(&utf16Str[0], numConverted);
+		return wstr;
+	}
+	catch (...)
+	{
+		// I don't believe libtransport is exception-safe so we'll just return an empty string instead
+		return L"";
+	}
+}
+#endif // _WIN32
diff --git a/backends/libpurple/utils.h b/backends/libpurple/utils.h
index 956b86f6..8324f46a 100644
--- a/backends/libpurple/utils.h
+++ b/backends/libpurple/utils.h
@@ -31,3 +31,7 @@ int create_socket(const char *host, int portno);
 GHashTable *spectrum_ui_get_info(void);
 
 void execute_purple_plugin_action(PurpleConnection *gc, const std::string &name);
+
+#ifdef _WIN32
+	std::wstring utf8ToUtf16(const std::string& str);
+#endif