Index: /OpenSceneGraph/trunk/include/osgDB/ConvertUTF
===================================================================
--- /OpenSceneGraph/trunk/include/osgDB/ConvertUTF (revision 9343)
+++ /OpenSceneGraph/trunk/include/osgDB/ConvertUTF (revision 11111)
@@ -39,4 +39,13 @@
 extern OSGDB_EXPORT std::wstring convertUTF8toUTF16(const char* s);
 
+extern OSGDB_EXPORT std::string convertStringFromCurrentCodePageToUTF8(const char* source, unsigned sourceLength);
+extern OSGDB_EXPORT std::string convertStringFromUTF8toCurrentCodePage(const char* source, unsigned sourceLength);
+
+extern OSGDB_EXPORT std::string convertStringFromCurrentCodePageToUTF8(const std::string& s);
+extern OSGDB_EXPORT std::string convertStringFromCurrentCodePageToUTF8(const char* s);
+
+extern OSGDB_EXPORT std::string convertStringFromUTF8toCurrentCodePage(const std::string& s);
+extern OSGDB_EXPORT std::string convertStringFromUTF8toCurrentCodePage(const char* s);
+
 }
 
Index: /OpenSceneGraph/trunk/src/osgDB/ConvertUTF.cpp
===================================================================
--- /OpenSceneGraph/trunk/src/osgDB/ConvertUTF.cpp (revision 9475)
+++ /OpenSceneGraph/trunk/src/osgDB/ConvertUTF.cpp (revision 11111)
@@ -31,4 +31,10 @@
 std::wstring convertUTF8toUTF16(const std::string& s){return convertUTF8toUTF16(s.c_str(), s.length());}
 std::wstring convertUTF8toUTF16(const char* s){return convertUTF8toUTF16(s, strlen(s));}
+
+std::string convertStringFromCurrentCodePageToUTF8(const std::string& s){return convertStringFromCurrentCodePageToUTF8(s.c_str(), s.length());}
+std::string convertStringFromCurrentCodePageToUTF8(const char* s){return convertStringFromCurrentCodePageToUTF8(s, strlen(s));}
+
+std::string convertStringFromUTF8toCurrentCodePage(const std::string& s){return convertStringFromUTF8toCurrentCodePage(s.c_str(), s.length());}
+std::string convertStringFromUTF8toCurrentCodePage(const char* s){return convertStringFromUTF8toCurrentCodePage(s, strlen(s));}
 
 std::string convertUTF16toUTF8(const wchar_t* source, unsigned sourceLength)
@@ -96,4 +102,65 @@
 }
 
+std::string convertStringFromCurrentCodePageToUTF8(const char* source, unsigned sourceLength)
+{
+#if defined(WIN32) && !defined(__CYGWIN__)
+    if (sourceLength == 0)
+    {
+        return std::string();
+    }
+
+    int utf16Length = MultiByteToWideChar(CP_ACP, 0, source, sourceLength, 0, 0);
+    if (utf16Length <= 0)
+    {
+        osg::notify(osg::WARN) << "Cannot convert multi-byte string to UTF-8." << std::endl;
+        return std::string();
+    }
+
+    std::wstring sUTF16(utf16Length, L'\0');
+    utf16Length = MultiByteToWideChar(CP_ACP, 0, source, sourceLength, &sUTF16[0], utf16Length);
+    if (utf16Length <= 0)
+    {
+        osg::notify(osg::WARN) << "Cannot convert multi-byte string to UTF-8." << std::endl;
+        return std::string();
+    }
+
+    return convertUTF16toUTF8(sUTF16);
+#else
+    return source;
+#endif
 }
 
+std::string convertStringFromUTF8toCurrentCodePage(const char* source, unsigned sourceLength)
+{
+#if defined(WIN32) && !defined(__CYGWIN__)
+    if (sourceLength == 0)
+    {
+        return std::string();
+    }
+
+    std::wstring utf16 = convertUTF8toUTF16(source, sourceLength);
+    sourceLength = utf16.length();
+
+    int destLen = WideCharToMultiByte(CP_ACP, 0, utf16.c_str(), sourceLength, 0, 0, 0, 0);
+    if (destLen <= 0)
+    {
+        osg::notify(osg::WARN) << "Cannot convert multi-byte string to UTF-8." << std::endl;
+        return std::string();
+    }
+
+    std::string sDest(destLen, '\0');
+    destLen = WideCharToMultiByte(CP_ACP, 0, utf16.c_str(), sourceLength, 0, 0, 0, 0);
+    if (destLen <= 0)
+    {
+        osg::notify(osg::WARN) << "Cannot convert multi-byte string to UTF-8." << std::endl;
+        return std::string();
+    }
+
+    return sDest;
+#else
+    return source;
+#endif
+}
+
+}
+