Removed deprecated functions in C++17, defined in <codecvt> header.

Author: mihaimoga

LinkList.cpp

@@ -208,18 +208,40 @@ bool CLinkSnapshot::DeleteLink(DWORD dwLinkID)
 	return false;
 }
 
-std::wstring utf8_to_wstring(const std::string& str)
+std::wstring utf8_to_wstring(const std::string& string)
 {
-	// convert UTF-8 string to wstring
-	std::wstring_convert<std::codecvt_utf8<wchar_t>> myconv;
-	return myconv.from_bytes(str);
+	if (string.empty())
+	{
+		return L"";
+	}
+
+	const auto size_needed = MultiByteToWideChar(CP_UTF8, 0, string.data(), (int)string.size(), nullptr, 0);
+	if (size_needed <= 0)
+	{
+		throw std::runtime_error("MultiByteToWideChar() failed: " + std::to_string(size_needed));
+	}
+
+	std::wstring result(size_needed, 0);
+	MultiByteToWideChar(CP_UTF8, 0, string.data(), (int)string.size(), result.data(), size_needed);
+	return result;
 }
 
-std::string wstring_to_utf8(const std::wstring& str)
+std::string wstring_to_utf8(const std::wstring& wide_string)
 {
-	// convert wstring to UTF-8 string
-	std::wstring_convert<std::codecvt_utf8<wchar_t>> myconv;
-	return myconv.to_bytes(str);
+	if (wide_string.empty())
+	{
+		return "";
+	}
+
+	const auto size_needed = WideCharToMultiByte(CP_UTF8, 0, wide_string.data(), (int)wide_string.size(), nullptr, 0, nullptr, nullptr);
+	if (size_needed <= 0)
+	{
+		throw std::runtime_error("WideCharToMultiByte() failed: " + std::to_string(size_needed));
+	}
+
+	std::string result(size_needed, 0);
+	WideCharToMultiByte(CP_UTF8, 0, wide_string.data(), (int)wide_string.size(), result.data(), size_needed, nullptr, nullptr);
+	return result;
 }
 
 CString GetModuleFileName(_Inout_opt_ DWORD* pdwLastError = nullptr);

ReleaseNotes.html

@@ -96,10 +96,11 @@ <h2>History</h2>
                                 <li>Updated <code>genUp4win</code> library to the latest version available.</li>
                             </ul>
                         </li>
-                        <li>Version 1.23 (TBD):
+                        <li>Version 1.23 (March 8<sup>th</sup>, 2025):
                             <ul>
                                 <li>Updated <code>genUp4win</code> library to the latest version available.</li>
                                 <li>Updated Lee Thomason's <code>TinyXML2</code> library to the latest version available.</li>
+                                <li>Removed deprecated functions in C++17, defined in <code>&lt;codecvt&gt;</code> header.
                             </ul>
                         </li>
                     </ul>