From 958ce15bb52198998644fe4af9110212bdbc64a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnter=20Obiltschnig?= <guenter.obiltschnig@appinf.com>
Date: Thu, 23 Jan 2020 11:26:26 +0100
Subject: [PATCH] fixed GH #2624:
 Poco::FileChannel/Poco:LogFileImpl::writeImpl() on Windows should translate
 \n to \r\n.

---
 Foundation/src/LogFile_WIN32U.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/Foundation/src/LogFile_WIN32U.cpp b/Foundation/src/LogFile_WIN32U.cpp
index b89bf8ec0..f42b98a7c 100644
--- a/Foundation/src/LogFile_WIN32U.cpp
+++ b/Foundation/src/LogFile_WIN32U.cpp
@@ -44,10 +44,19 @@ void LogFileImpl::writeImpl(const std::string& text, bool flush)
 {
 	if (INVALID_HANDLE_VALUE == _hFile)	createFile();
 
+	std::string logText;
+	logText.reserve(text.size() + 16); // keep some reserve for \n -> \r\n and terminating \r\n
+	for (char c: text)
+	{
+		if (c == '\n')
+			logText += "\r\n";
+		else
+			logText += c;
+	}
+	logText += "\r\n";
+
 	DWORD bytesWritten;
-	BOOL res = WriteFile(_hFile, text.data(), (DWORD) text.size(), &bytesWritten, NULL);
-	if (!res) throw WriteFileException(_path);
-	res = WriteFile(_hFile, "\r\n", 2, &bytesWritten, NULL);
+	BOOL res = WriteFile(_hFile, logText.data(), static_cast<DWORD>(logText.size()), &bytesWritten, NULL);
 	if (!res) throw WriteFileException(_path);
 	if (flush)
 	{