diff --git a/include/spdlog/sinks/daily_rotating_file_sink.h b/include/spdlog/sinks/daily_rotating_file_sink.h
index 992781cd..ad561e73 100644
--- a/include/spdlog/sinks/daily_rotating_file_sink.h
+++ b/include/spdlog/sinks/daily_rotating_file_sink.h
@@ -1,212 +1,212 @@
-//
-// Copyright(c) 2015 Gabi Melman.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-//
-
-#pragma once
-#include "spdlog/details/file_helper.h"
-#include "spdlog/details/null_mutex.h"
-#include "spdlog/fmt/fmt.h"
-#include "spdlog/sinks/base_sink.h"
-#include "spdlog/spdlog.h"
-
-#include <cerrno>
-#include <chrono>
-#include <cstdio>
-#include <ctime>
-#include <mutex>
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/spdlog.h"
+
+#include <cerrno>
+#include <chrono>
+#include <cstdio>
+#include <ctime>
+#include <mutex>
 #include <string>
 #include <tuple>
-
-
-namespace spdlog {
-namespace sinks {
-
-/*
- * Generator of daily log file names in format basename.YYYY-MM-DD.ext
- */
-struct daily_filename_calculator
-{
-    // Create filename for the form basename.YYYY-MM-DD
-    static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
-    {
-        filename_t basename, ext;
-        std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
-        std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
-        fmt::format_to(
-            w, SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
-        return fmt::to_string(w);
-    }
-};
-
-/*
- * Rotating file sink based on date. rotates at midnight
- */
-template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
-class daily_rotating_file_sink final : public base_sink<Mutex>
-{
-public:
-    // create daily file sink which rotates on given time
-	daily_rotating_file_sink(filename_t base_filename, std::size_t max_size, int rotation_hour, int rotation_minute, bool truncate = false)
-        : base_filename_(std::move(base_filename))
-		, max_size_(max_size)
-        , rotation_h_(rotation_hour)
-        , rotation_m_(rotation_minute)
-        , truncate_(truncate)
-    {
-        if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
-        {
-            throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
-        }
-        auto now = log_clock::now();
-        file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(now)), truncate_);
-        rotation_tp_ = next_rotation_tp_();
-		current_size_ = file_helper_.size(); // expensive. called only once
-    }
-
-protected:
-    void sink_it_(const details::log_msg &msg) override
-    {
-		today_filename_ = FileNameCalc::calc_filename(base_filename_, now_tm(msg.time));
-
-        if (msg.time >= rotation_tp_)
-        {
-            file_helper_.open(today_filename_, truncate_);
-            rotation_tp_ = next_rotation_tp_();
-        }
-
-        fmt::memory_buffer formatted;
-        sink::formatter_->format(msg, formatted);
-
-		current_size_ += formatted.size();
-		if (current_size_ > max_size_)
-		{
-			rotate_();
-			current_size_ = formatted.size();
-		}
-
-        file_helper_.write(formatted);
-    }
-
-    void flush_() override
-    {
-        file_helper_.flush();
-    }
-
-private:
-    tm now_tm(log_clock::time_point tp)
-    {
-        time_t tnow = log_clock::to_time_t(tp);
-        return spdlog::details::os::localtime(tnow);
-    }
-
-    log_clock::time_point next_rotation_tp_()
-    {
-        auto now = log_clock::now();
-        tm date = now_tm(now);
-        date.tm_hour = rotation_h_;
-        date.tm_min = rotation_m_;
-        date.tm_sec = 0;
-        auto rotation_time = log_clock::from_time_t(std::mktime(&date));
-        if (rotation_time > now)
-        {
-            return rotation_time;
-        }
-        return {rotation_time + std::chrono::hours(24)};
-    }
-
-	// Rotate files:
-	// log.txt -> log.1.txt
-	// log.1.txt -> log.2.txt
-	// log.2.txt -> log.3.txt
-	// log.3.txt -> log.4.txt
-	void rotate_()
-	{
-		using details::os::filename_to_str;
-		file_helper_.close();
-		for (auto i = max_files_; i >= 0; --i)
-		{
-			filename_t src = calc_filename(today_filename_, i);
-			if (!details::file_helper::file_exists(src))
-			{
-				continue;
-			}
-			filename_t target = calc_filename(today_filename_, i + 1);
-
-			if (!rename_file(src, target))
-			{
-				// if failed try again after a small delay.
-				// this is a workaround to a windows issue, where very high rotation
-				// rates can cause the rename to fail with permission denied (because of antivirus?).
-				details::os::sleep_for_millis(100);
-				if (!rename_file(src, target))
-				{
-					file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
-					throw spdlog_ex(
-						"rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno);
-				}
-			}
-		}
-		++max_files_;
-		file_helper_.reopen(true);
-	}
-
-	// delete the target if exists, and rename the src file  to target
-	// return true on success, false otherwise.
-	bool rename_file(const filename_t &src_filename, const filename_t &target_filename)
-	{
-		// try to delete the target file in case it already exists.
-		(void)details::os::remove(target_filename);
-		return details::os::rename(src_filename, target_filename) == 0;
-	}
-
-	static filename_t calc_filename(const filename_t &filename, std::size_t index)
-	{
-		typename std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
-		if (index != 0u)
-		{
-			filename_t basename, ext;
-			std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
-			fmt::format_to(w, SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
-		}
-		else
-		{
-			fmt::format_to(w, SPDLOG_FILENAME_T("{}"), filename);
-		}
-		return fmt::to_string(w);
-	}
-
-	std::size_t max_size_;
-	std::size_t max_files_;
-	std::size_t current_size_;
-	filename_t today_filename_;
-    filename_t base_filename_;
-    int rotation_h_;
-    int rotation_m_;
-    log_clock::time_point rotation_tp_;
-    details::file_helper file_helper_;
-    bool truncate_;
-};
-
-using daily_rotating_file_sink_mt = daily_rotating_file_sink<std::mutex>;
-using daily_rotating_file_sink_st = daily_rotating_file_sink<details::null_mutex>;
-
-} // namespace sinks
-
-//
-// factory functions
-//
-template<typename Factory = default_factory>
-inline std::shared_ptr<logger> daily_rotating_logger_mt(
-    const std::string &logger_name, const filename_t &filename, std::size_t max_size, int hour = 0, int minute = 0, bool truncate = false)
-{
-    return Factory::template create<sinks::daily_rotating_file_sink_mt>(logger_name, filename, max_size, hour, minute, truncate);
-}
-
-template<typename Factory = default_factory>
-inline std::shared_ptr<logger> daily_rotating_logger_st(
-    const std::string &logger_name, const filename_t &filename, std::size_t max_size, int hour = 0, int minute = 0, bool truncate = false)
-{
-    return Factory::template create<sinks::daily_rotating_file_sink_st>(logger_name, filename, max_size, hour, minute, truncate);
-}
-} // namespace spdlog
+
+
+namespace spdlog {
+namespace sinks {
+
+/*
+ * Generator of daily log file names in format basename.YYYY-MM-DD.ext
+ */
+struct daily_filename_calculator
+{
+    // Create filename for the form basename.YYYY-MM-DD
+    static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
+    {
+        filename_t basename, ext;
+        std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
+        std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+        fmt::format_to(
+            w, SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
+        return fmt::to_string(w);
+    }
+};
+
+/*
+ * Rotating file sink based on date. rotates at midnight
+ */
+template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
+class daily_rotating_file_sink final : public base_sink<Mutex>
+{
+public:
+    // create daily file sink which rotates on given time
+	daily_rotating_file_sink(filename_t base_filename, std::size_t max_size, int rotation_hour, int rotation_minute, bool truncate = false)
+        : base_filename_(std::move(base_filename))
+		, max_size_(max_size)
+        , rotation_h_(rotation_hour)
+        , rotation_m_(rotation_minute)
+        , truncate_(truncate)
+    {
+        if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
+        {
+            throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
+        }
+        auto now = log_clock::now();
+        file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(now)), truncate_);
+        rotation_tp_ = next_rotation_tp_();
+		current_size_ = file_helper_.size(); // expensive. called only once
+    }
+
+protected:
+    void sink_it_(const details::log_msg &msg) override
+    {
+        today_filename_ = FileNameCalc::calc_filename(base_filename_, now_tm(msg.time));
+
+        if (msg.time >= rotation_tp_)
+        {
+            file_helper_.open(today_filename_, truncate_);
+            rotation_tp_ = next_rotation_tp_();
+        }
+
+        fmt::memory_buffer formatted;
+        sink::formatter_->format(msg, formatted);
+
+        current_size_ += formatted.size();
+        if (current_size_ > max_size_)
+        {
+            rotate_();
+            current_size_ = formatted.size();
+        }
+
+        file_helper_.write(formatted);
+    }
+
+    void flush_() override
+    {
+        file_helper_.flush();
+    }
+
+private:
+    tm now_tm(log_clock::time_point tp)
+    {
+        time_t tnow = log_clock::to_time_t(tp);
+        return spdlog::details::os::localtime(tnow);
+    }
+
+    log_clock::time_point next_rotation_tp_()
+    {
+        auto now = log_clock::now();
+        tm date = now_tm(now);
+        date.tm_hour = rotation_h_;
+        date.tm_min = rotation_m_;
+        date.tm_sec = 0;
+        auto rotation_time = log_clock::from_time_t(std::mktime(&date));
+        if (rotation_time > now)
+        {
+            return rotation_time;
+        }
+        return {rotation_time + std::chrono::hours(24)};
+    }
+
+    // Rotate files:
+    // log.txt -> log.1.txt
+    // log.1.txt -> log.2.txt
+    // log.2.txt -> log.3.txt
+    // log.3.txt -> log.4.txt
+    void rotate_()
+    {
+        using details::os::filename_to_str;
+        file_helper_.close();
+        for (auto i = max_files_; i >= 0; --i)
+        {
+            filename_t src = calc_filename(today_filename_, i);
+            if (!details::file_helper::file_exists(src))
+            {
+                continue;
+            }
+            filename_t target = calc_filename(today_filename_, i + 1);
+
+            if (!rename_file(src, target))
+            {
+                // if failed try again after a small delay.
+                // this is a workaround to a windows issue, where very high rotation
+                // rates can cause the rename to fail with permission denied (because of antivirus?).
+                details::os::sleep_for_millis(100);
+                if (!rename_file(src, target))
+                {
+                    file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
+                    throw spdlog_ex(
+                        "rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno);
+                }
+            }
+        }
+        ++max_files_;
+        file_helper_.reopen(true);
+    }
+
+    // delete the target if exists, and rename the src file  to target
+    // return true on success, false otherwise.
+    bool rename_file(const filename_t &src_filename, const filename_t &target_filename)
+    {
+        // try to delete the target file in case it already exists.
+        (void)details::os::remove(target_filename);
+        return details::os::rename(src_filename, target_filename) == 0;
+    }
+
+    static filename_t calc_filename(const filename_t &filename, std::size_t index)
+    {
+        typename std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+        if (index != 0u)
+        {
+            filename_t basename, ext;
+            std::tie(basename, ext) = details::file_helper::split_by_extenstion(filename);
+            fmt::format_to(w, SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
+        }
+        else
+        {
+            fmt::format_to(w, SPDLOG_FILENAME_T("{}"), filename);
+        }
+        return fmt::to_string(w);
+    }
+
+    std::size_t max_size_;
+    std::size_t max_files_;
+    std::size_t current_size_;
+    filename_t today_filename_;
+    filename_t base_filename_;
+    int rotation_h_;
+    int rotation_m_;
+    log_clock::time_point rotation_tp_;
+    details::file_helper file_helper_;
+    bool truncate_;
+};
+
+using daily_rotating_file_sink_mt = daily_rotating_file_sink<std::mutex>;
+using daily_rotating_file_sink_st = daily_rotating_file_sink<details::null_mutex>;
+
+} // namespace sinks
+
+//
+// factory functions
+//
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> daily_rotating_logger_mt(
+    const std::string &logger_name, const filename_t &filename, std::size_t max_size, int hour = 0, int minute = 0, bool truncate = false)
+{
+    return Factory::template create<sinks::daily_rotating_file_sink_mt>(logger_name, filename, max_size, hour, minute, truncate);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> daily_rotating_logger_st(
+    const std::string &logger_name, const filename_t &filename, std::size_t max_size, int hour = 0, int minute = 0, bool truncate = false)
+{
+    return Factory::template create<sinks::daily_rotating_file_sink_st>(logger_name, filename, max_size, hour, minute, truncate);
+}
+} // namespace spdlog