vs2013 support

include/c11log/details/os.h

@@ -6,15 +6,8 @@
 namespace c11log {
 namespace details {
 namespace os {
-std::tm localtime(const std::time_t &time_tt);
-std::tm localtime();
 
-}
+inline std::tm localtime(const std::time_t &time_tt)
-}
-}
-
-
-inline std::tm c11log::details::os::localtime(const std::time_t &time_tt)
 {
 
     std::tm tm;
@@ -26,7 +19,7 @@ inline std::tm c11log::details::os::localtime(const std::time_t &time_tt)
     return tm;
 }
 
-inline std::tm c11log::details::os::localtime()
+inline std::tm localtime()
 {
     std::time_t now_t = time(0);
     return localtime(now_t);
@@ -35,17 +28,20 @@ inline std::tm c11log::details::os::localtime()
 
 inline bool operator==(const std::tm& tm1, const std::tm& tm2)
 {
-	return (tm1.tm_sec == tm2.tm_sec &&
+    return (tm1.tm_sec == tm2.tm_sec &&
-		   tm1.tm_min == tm2.tm_min &&
+            tm1.tm_min == tm2.tm_min &&
-		   tm1.tm_hour == tm2.tm_hour &&
+            tm1.tm_hour == tm2.tm_hour &&
-		   tm1.tm_mday == tm2.tm_mday &&
+            tm1.tm_mday == tm2.tm_mday &&
-		   tm1.tm_mon == tm2.tm_mon &&
+            tm1.tm_mon == tm2.tm_mon &&
-		   tm1.tm_year == tm2.tm_year &&
+            tm1.tm_year == tm2.tm_year &&
-		   tm1.tm_isdst == tm2.tm_isdst &&
+            tm1.tm_isdst == tm2.tm_isdst);
-		   tm1.tm_gmtoff == tm2.tm_gmtoff);
 }
 
 inline bool operator!=(const std::tm& tm1, const std::tm& tm2)
 {
-	return !(tm1==tm2);
+    return !(tm1==tm2);
+}
+
+}
+}
 }

include/c11log/formatter.h

@@ -5,6 +5,7 @@
 #include <functional>
 #include <sstream>
 #include <iomanip>
+#include <thread>
 
 #include "common_types.h"
 #include "details/os.h"
@@ -43,20 +44,34 @@ private:
 
 inline void c11log::formatters::default_formatter::_format_time(const log_clock::time_point& tp, std::ostream &dest)
 {
-	static thread_local std::tm last_tm = {0,0,0,0,0,0,0,0,0,0,0};
+
-	static thread_local char last_time_str[64];
+#ifdef _MSC_VER
-    auto tm_now = details::os::localtime(log_clock::to_time_t(tp));
+    __declspec(thread) static std::tm last_tm = { 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    __declspec(thread) static char last_time_str[64];
+#else
+       thread_local static std::tm last_tm = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+       thread_local static char last_time_str[64];
+#endif
     
+    auto tm_now = details::os::localtime(log_clock::to_time_t(tp));
+	using namespace c11log::details::os;
     if(last_tm != tm_now)
-    {				
+    {
-		sprintf(last_time_str, "[%d-%02d-%02d %02d:%02d:%02d]",
+#ifdef _MSC_VER
+		::sprintf_s
+#else		
+		::snprintf
+#endif
+			(last_time_str, sizeof(last_time_str), "[%d-%02d-%02d %02d:%02d:%02d]",
                 tm_now.tm_year + 1900,
                 tm_now.tm_mon + 1,
                 tm_now.tm_mday,
                 tm_now.tm_hour,
                 tm_now.tm_min,
                 tm_now.tm_sec);
-       	 last_tm = tm_now;			
+        last_tm = tm_now;
-	}			
+
-	dest << last_time_str;	
+		
+    }
+    dest << last_time_str;
 }

include/c11log/sinks/file_sinks.h

@@ -140,11 +140,14 @@ private:
         return system_clock::time_point(midnight + hours(24));
     }
 
+	//Create filename for the form basename.YYYY-MM-DD.extension
     static std::string _calc_filename(const std::string& basename, const std::string& extension) {
-        std::tm tm = c11log::details::os::localtime();
+        std::tm tm = c11log::details::os::localtime();		
-        char buf[32];
+		std::ostringstream oss;
-        sprintf(buf, ".%d-%02d-%02d.", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
+		oss << basename << '.';
-        return basename+buf+extension;
+		oss << tm.tm_year + 1900 << '-' << std::setw(2) << std::setfill('0') << tm.tm_mon + 1 << '-' << tm.tm_mday;
+		oss << '.' << extension;
+		return oss.str();
     }
 
     std::string _base_filename;

include/c11log/sinks/stdout_sinks.h

@@ -1,32 +1,40 @@
 #pragma once
 
 #include <iostream>
+#include <mutex>
+#include <memory>
+
 #include "base_sink.h"
 
 namespace c11log {
 namespace sinks {
 class ostream_sink: public base_sink {
 public:
-    ostream_sink(std::ostream& os):_ostream(os) {}
+    explicit ostream_sink(std::ostream& os):_ostream(os) {}
+	ostream_sink(const ostream_sink&) = delete;
+	ostream_sink& operator=(const ostream_sink&) = delete;
     virtual ~ostream_sink() = default;
 
 protected:
     virtual void _sink_it(const std::string& msg) override {
+		std::lock_guard<std::mutex> lock(_mutex);
         _ostream << msg;
     }
 
     std::ostream& _ostream;
+	std::mutex _mutex;
 };
 
-class stdout_sink:public ostream_sink {
+inline std::shared_ptr<ostream_sink> cout_sink() {
-public:
+	static const ostream_sink& instance{std::cout};
-    stdout_sink():ostream_sink(std::cout) {}
+	return std::shared_ptr<ostream_sink>(&instance, [=](ostream_sink*) {});
-};
+}
 
-class stderr_sink:public ostream_sink {
+inline std::shared_ptr<ostream_sink> cerr_sink() {
-public:
+	static const ostream_sink& instance = ostream_sink(std::cerr);
-    stderr_sink():ostream_sink(std::cerr) {}
+	return std::shared_ptr<ostream_sink>(&instance, [=](ostream_sink*) {});
+}
 
-};
+
+}
 }
-}